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Linux Analysis Report
jew.arm6.elf

Overview

General Information

Sample name:jew.arm6.elf
Analysis ID:1672221
MD5:d14db2acfe0aacffd2f74035f9e30e68
SHA1:ebc8b37be77cdd2e24051acad4889154e91d2d95
SHA256:8deff6427a747d854ce81d93c4553e0a71136b8910098bca4af4c2f410b7e7f1
Tags:elfuser-abuse_ch
Infos:

Detection

Score:56
Range:0 - 100

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
Joe Sandbox version:42.0.0 Malachite
Analysis ID:1672221
Start date and time:2025-04-23 17:28:33 +02:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 42s
Hypervisor based Inspection enabled:false
Report type:full
Cookbook file name:defaultlinuxfilecookbook.jbs
Analysis system description:Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Analysis Mode:default
Sample name:jew.arm6.elf
Detection:MAL
Classification:mal56.linELF@0/0@0/0
Command:/tmp/jew.arm6.elf
PID:6231
Exit Code:139
Exit Code Info:SIGSEGV (11) Segmentation fault invalid memory reference
Killed:False
Standard Output:

Standard Error:qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  • system is lnxubuntu20
  • jew.arm6.elf (PID: 6231, Parent: 6154, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/jew.arm6.elf
  • dash New Fork (PID: 6290, Parent: 4335)
  • rm (PID: 6290, Parent: 4335, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5j
  • dash New Fork (PID: 6291, Parent: 4335)
  • rm (PID: 6291, Parent: 4335, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5j
  • cleanup
No yara matches
No Suricata rule has matched

Click to jump to signature section

Show All Signature Results

AV Detection

barindex
Source: jew.arm6.elfAvira: detected
Source: jew.arm6.elfVirustotal: Detection: 61%Perma Link
Source: jew.arm6.elfReversingLabs: Detection: 66%
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknownTCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknownTCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 33606
Source: unknownNetwork traffic detected: HTTP traffic on port 43928 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 33606 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: mal56.linELF@0/0@0/0
Source: /usr/bin/dash (PID: 6290)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5jJump to behavior
Source: /usr/bin/dash (PID: 6291)Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5jJump to behavior
Source: /tmp/jew.arm6.elf (PID: 6231)Queries kernel information via 'uname': Jump to behavior
Source: jew.arm6.elf, 6231.1.00005643bbfdb000.00005643bc109000.rw-.sdmpBinary or memory string: CV!/etc/qemu-binfmt/arm
Source: jew.arm6.elf, 6231.1.00007ffce3b8e000.00007ffce3baf000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-arm/tmp/jew.arm6.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/jew.arm6.elf
Source: jew.arm6.elf, 6231.1.00005643bbfdb000.00005643bc109000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/arm
Source: jew.arm6.elf, 6231.1.00007ffce3b8e000.00007ffce3baf000.rw-.sdmpBinary or memory string: /usr/bin/qemu-arm
Source: jew.arm6.elf, 6231.1.00007ffce3b8e000.00007ffce3baf000.rw-.sdmpBinary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath Interception1
File Deletion
OS Credential Dumping11
Security Software Discovery
Remote ServicesData from Local System1
Encrypted Channel
Exfiltration Over Other Network MediumAbuse Accessibility Features
CredentialsDomainsDefault AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsRootkitLSASS MemoryApplication Window DiscoveryRemote Desktop ProtocolData from Removable Media1
Application Layer Protocol
Exfiltration Over BluetoothNetwork Denial of Service
No configs have been found
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1672221 Sample: jew.arm6.elf Startdate: 23/04/2025 Architecture: LINUX Score: 56 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 jew.arm6.elf 2->10         started        signatures3 process4
SourceDetectionScannerLabelLink
jew.arm6.elf62%VirustotalBrowse
jew.arm6.elf67%ReversingLabsLinux.Worm.Mirai
jew.arm6.elf100%AviraEXP/ELF.Mirai.Bootnet.o
No Antivirus matches
No Antivirus matches
No Antivirus matches

Download Network PCAP: filteredfull

No contacted domains info
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs
IPDomainCountryFlagASNASN NameMalicious
54.171.230.55
unknownUnited States
16509AMAZON-02USfalse
109.202.202.202
unknownSwitzerland
13030INIT7CHfalse
91.189.91.43
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
91.189.91.42
unknownUnited Kingdom
41231CANONICAL-ASGBfalse
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                                                              No created / dropped files found
                                                              File type:ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, stripped
                                                              Entropy (8bit):6.0002548861868705
                                                              TrID:
                                                              • ELF Executable and Linkable format (generic) (4004/1) 100.00%
                                                              File name:jew.arm6.elf
                                                              File size:75'056 bytes
                                                              MD5:d14db2acfe0aacffd2f74035f9e30e68
                                                              SHA1:ebc8b37be77cdd2e24051acad4889154e91d2d95
                                                              SHA256:8deff6427a747d854ce81d93c4553e0a71136b8910098bca4af4c2f410b7e7f1
                                                              SHA512:77e72e65311b4310f9b5b01c6e0cf0f0d703fba1487b659eb516e2caaef3bc6dd42f3008f0dba3257db741fd837779ebb2a04982ed7f4f7ee60e09cf2f317c42
                                                              SSDEEP:1536:eNn8UxkW50thqBtIC1R4/LsdH0ZBqPSZvNNSVzfpnDM4ioyuuz6od42+:wxkW0hCtIUOSqAgjMbyuuz6w
                                                              TLSH:15731945B8818A16C5D813FBFD2E018D332667F8E2DF7212DD105F647BCA92B0E67A52
                                                              File Content Preview:.ELF..............(.....T...4...P#......4. ...(.......................................... ... ... ..................Q.td..................................-...L..................@-.,@...0....S..... 0....S.........../..0...0...@..../.."....... ....-.@0....S

                                                              ELF header

                                                              Class:ELF32
                                                              Data:2's complement, little endian
                                                              Version:1 (current)
                                                              Machine:ARM
                                                              Version Number:0x1
                                                              Type:EXEC (Executable file)
                                                              OS/ABI:UNIX - System V
                                                              ABI Version:0
                                                              Entry Point Address:0x8154
                                                              Flags:0x4000002
                                                              ELF Header Size:52
                                                              Program Header Offset:52
                                                              Program Header Size:32
                                                              Number of Program Headers:3
                                                              Section Header Offset:74576
                                                              Section Header Size:40
                                                              Number of Section Headers:12
                                                              Header String Table Index:11
                                                              NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
                                                              NULL0x00x00x00x00x0000
                                                              .initPROGBITS0x80940x940x100x00x6AX004
                                                              .textPROGBITS0x80b00xb00x10af00x00x6AX0016
                                                              .finiPROGBITS0x18ba00x10ba00x100x00x6AX004
                                                              .rodataPROGBITS0x18bb00x10bb00xd600x00x2A004
                                                              .init_arrayINIT_ARRAY0x220040x120080x40x00x3WA004
                                                              .fini_arrayFINI_ARRAY0x220080x1200c0x40x00x3WA004
                                                              .gotPROGBITS0x220100x120140x740x40x3WA004
                                                              .dataPROGBITS0x220840x120880x2580x00x3WA004
                                                              .bssNOBITS0x222dc0x122e00x25e80x00x3WA004
                                                              .ARM.attributesARM_ATTRIBUTES0x00x122e00x100x00x0001
                                                              .shstrtabSTRTAB0x00x122f00x5d0x00x0001
                                                              TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
                                                              LOAD0x00x80000x80000x119100x119106.10220x5R E0x8000.init .text .fini .rodata
                                                              LOAD0x120040x220040x220000x2dc0xa8c03.71650x6RW 0x8000.init_array .fini_array .got .data .bss
                                                              GNU_STACK0x00x00x00x00x00.00000x7RWE0x4

                                                              Download Network PCAP: filteredfull

                                                              • Total Packets: 11
                                                              • 443 (HTTPS)
                                                              • 80 (HTTP)
                                                              TimestampSource PortDest PortSource IPDest IP
                                                              Apr 23, 2025 17:29:21.345788956 CEST43928443192.168.2.2391.189.91.42
                                                              Apr 23, 2025 17:29:24.417314053 CEST33606443192.168.2.2354.171.230.55
                                                              Apr 23, 2025 17:29:26.721052885 CEST42836443192.168.2.2391.189.91.43
                                                              Apr 23, 2025 17:29:28.000924110 CEST4251680192.168.2.23109.202.202.202
                                                              Apr 23, 2025 17:29:42.078900099 CEST43928443192.168.2.2391.189.91.42
                                                              Apr 23, 2025 17:29:52.317573071 CEST42836443192.168.2.2391.189.91.43
                                                              Apr 23, 2025 17:29:52.317620039 CEST33606443192.168.2.2354.171.230.55
                                                              Apr 23, 2025 17:29:57.807048082 CEST33606443192.168.2.2354.171.230.55
                                                              Apr 23, 2025 17:29:58.130662918 CEST4433360654.171.230.55192.168.2.23
                                                              Apr 23, 2025 17:29:58.460681915 CEST4251680192.168.2.23109.202.202.202
                                                              Apr 23, 2025 17:30:23.033251047 CEST43928443192.168.2.2391.189.91.42
                                                              Apr 23, 2025 17:30:43.510426998 CEST42836443192.168.2.2391.189.91.43

                                                              System Behavior

                                                              Start time (UTC):15:29:21
                                                              Start date (UTC):23/04/2025
                                                              Path:/tmp/jew.arm6.elf
                                                              Arguments:/tmp/jew.arm6.elf
                                                              File size:4956856 bytes
                                                              MD5 hash:5ebfcae4fe2471fcc5695c2394773ff1

                                                              Start time (UTC):15:29:56
                                                              Start date (UTC):23/04/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):15:29:56
                                                              Start date (UTC):23/04/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5j
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b

                                                              Start time (UTC):15:29:56
                                                              Start date (UTC):23/04/2025
                                                              Path:/usr/bin/dash
                                                              Arguments:-
                                                              File size:129816 bytes
                                                              MD5 hash:1e6b1c887c59a315edb7eb9a315fc84c

                                                              Start time (UTC):15:29:56
                                                              Start date (UTC):23/04/2025
                                                              Path:/usr/bin/rm
                                                              Arguments:rm -f /tmp/tmp.GtM8jstj4a /tmp/tmp.kGlzi8LDie /tmp/tmp.bPu1xXRV5j
                                                              File size:72056 bytes
                                                              MD5 hash:aa2b5496fdbfd88e38791ab81f90b95b