Joe Sandbox Cloud Basic Analysis Report

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Linux Analysis Report
ppc.elf

Overview

General Information

Sample name:ppc.elf
Analysis ID:1543428
MD5:76306a0f9814d31c60ac048a2001c9de
SHA1:11fafe50a892b66991460e400d7b69da22e60765
SHA256:0451ac1666ce04fd1aa48998b32dfd94fbac08161cb7a5f96027ba696949c34a
Tags:elfuser-abuse_ch
Infos:

Detection

Score:1
Range:0 - 100
Whitelisted:false

Signatures

Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

General Information

Joe Sandbox version:41.0.0 Charoite
Analysis ID:1543428
Start date and time:2024-10-27 20:58:10 +01:00
Joe Sandbox product:CloudBasic
Overall analysis duration:0h 4m 17s
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:ppc.elf
Detection:CLEAN
Classification:clean1.linELF@0/2@0/0

Warnings

  • VT rate limit hit for: ppc.elf

Runtime Messages

Command:/tmp/ppc.elf
PID:5434
Exit Code:0
Exit Code Info:
Killed:False
Standard Output:

Standard Error:

Process Tree

  • system is lnxubuntu20
  • ppc.elf (PID: 5434, Parent: 5356, MD5: ae65271c943d3451b7f026d1fadccea6) Arguments: /tmp/ppc.elf
  • sshd New Fork (PID: 5470, Parent: 936)
  • sshd (PID: 5470, Parent: 936, MD5: dbca7a6bbf7bf57fedac243d4b2cb340) Arguments: /usr/sbin/sshd -D -R
  • sshd New Fork (PID: 5478, Parent: 936)
  • sshd (PID: 5478, Parent: 936, MD5: dbca7a6bbf7bf57fedac243d4b2cb340) Arguments: /usr/sbin/sshd -D -R
    • sshd New Fork (PID: 5480, Parent: 5478)
  • sshd New Fork (PID: 5483, Parent: 936)
  • sshd (PID: 5483, Parent: 936, MD5: dbca7a6bbf7bf57fedac243d4b2cb340) Arguments: /usr/sbin/sshd -D -R
    • sshd New Fork (PID: 5484, Parent: 5483)
  • cleanup

Yara Signatures

⊘No yara matches

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

There are no malicious signatures, click here to show all signatures.

Source: ELF static info symbol of initial sample.symtab present: no
Source: classification engineClassification label: clean1.linELF@0/2@0/0
Source: /tmp/ppc.elf (PID: 5434)Queries kernel information via 'uname': Jump to behavior
Source: ppc.elf, 5434.1.000055debd380000.000055debd430000.rw-.sdmpBinary or memory string: !/etc/qemu-binfmt/ppc11!hotpluggableq
Source: ppc.elf, 5434.1.00007ffd7777b000.00007ffd7779c000.rw-.sdmpBinary or memory string: x86_64/usr/bin/qemu-ppc/tmp/ppc.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/ppc.elf
Source: ppc.elf, 5434.1.000055debd380000.000055debd430000.rw-.sdmpBinary or memory string: /etc/qemu-binfmt/ppc
Source: ppc.elf, 5434.1.00007ffd7777b000.00007ffd7779c000.rw-.sdmpBinary or memory string: /usr/bin/qemu-ppc

Mitre Att&ck Matrix

ReconnaissanceResource DevelopmentInitial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
Gather Victim Identity InformationAcquire InfrastructureValid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionDirect Volume AccessOS Credential Dumping11
Security Software Discovery		Remote ServicesData from Local SystemData ObfuscationExfiltration Over Other Network MediumAbuse Accessibility Features

Malware Configuration

⊘No configs have been found

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Number of created Files
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 1543428 Sample: ppc.elf Startdate: 27/10/2024 Architecture: LINUX Score: 1 5 sshd sshd 2->5         started        7 sshd sshd 2->7         started        9 sshd sshd 2->9         started        11 ppc.elf 2->11         started        process3 13 sshd 5->13         started        15 sshd 7->15         started       

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

SourceDetectionScannerLabelLink
ppc.elf5%ReversingLabsLinux.Trojan.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

World Map of Contacted IPs

⊘No contacted IP infos

Joe Sandbox View / Context

IPs

⊘No context

Domains

⊘No context

ASNs

⊘No context

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

/var/log/btmp

Download File
Process:/usr/sbin/sshd
File Type:data
Category:dropped
Size (bytes):384
Entropy (8bit):0.8735982127940438
Encrypted:false
SSDEEP:3:Fr2aDLwbXWXT7a2/l:FTMbGnp/
MD5:9F79AEA8DACE31CFF419C0CAA4C0A83C
SHA1:BD27986D1C794166559660264F54781F61F571AE
SHA-256:265E0FC477DBD4236D198630C47BD4581E7BBADAB6B0228F04DA77E4DBFC518D
SHA-512:2C8DCE09BC7498A5DA9D2E2602EFD949B1D067407FDD06D67EB58B1AB45DBAD619437CAAC8A5C4208C88BA7492CE2ABF301C183DBBF2EA10518863EA26BC871A
Malicious:false
Reputation:low
Preview:....k...ssh:notty...........................root............................192.168.2.23...............................................................................................................................................................................................................................................................g........................................

Static File Info

General

File type:ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped
Entropy (8bit):5.972182684875887
TrID:
  • ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:ppc.elf
File size:54'628 bytes
MD5:76306a0f9814d31c60ac048a2001c9de
SHA1:11fafe50a892b66991460e400d7b69da22e60765
SHA256:0451ac1666ce04fd1aa48998b32dfd94fbac08161cb7a5f96027ba696949c34a
SHA512:6d35c67500f64e3ee0f4004c2ce2721413383edf567a68026acda6383cde0922d51423cca484f0593015676bb08310b429b91d7653b41dc855adb3256db12038
SSDEEP:768:sGgu8V0zHRL3vwfrM/uo9+JrlcbwCOXJER8XWQXq3S27+Gky5jVwVEIQ3:sGgu8yzlFuNrlcUCOZEAdXqLvVgE73
TLSH:07332902A3090D47E1A75EF03A3F27E693DEDD9024F49644392FBB459673A724187EC6
File Content Preview:.ELF...........................4.........4. ...(.......................................................|..,4...............T...T...T................dt.Q.............................!..|......$H...H..1...$8!. |...N.. .!..|.......?.............../...@..`= .

Static ELF Info

ELF header

Class:ELF32
Data:2's complement, big endian
Version:1 (current)
Machine:PowerPC
Version Number:0x1
Type:EXEC (Executable file)
OS/ABI:UNIX - System V
ABI Version:0
Entry Point Address:0x10000218
Flags:0x0
ELF Header Size:52
Program Header Offset:52
Program Header Size:32
Number of Program Headers:4
Section Header Offset:53988
Section Header Size:40
Number of Section Headers:16
Header String Table Index:15

Sections

NameTypeAddressOffsetSizeEntSizeFlagsFlags DescriptionLinkInfoAlign
NULL0x00x00x00x00x0000
.initPROGBITS0x100000b40xb40x240x00x6AX004
.textPROGBITS0x100000d80xd80xb4880x00x6AX004
.finiPROGBITS0x1000b5600xb5600x200x00x6AX004
.rodataPROGBITS0x1000b5800xb5800x150c0x00x2A008
.eh_framePROGBITS0x1000d0000xd0000x540x00x3WA004
.tbssNOBITS0x1000d0540xd0540x80x00x403WAT004
.ctorsPROGBITS0x1000d0540xd0540x80x00x3WA004
.dtorsPROGBITS0x1000d05c0xd05c0x80x00x3WA004
.jcrPROGBITS0x1000d0640xd0640x40x00x3WA004
.dataPROGBITS0x1000d0680xd0680x1c80x00x3WA004
.gotPROGBITS0x1000d2300xd2300x100x40x7WAX004
.sdataPROGBITS0x1000d2400xd2400x3c0x00x3WA004
.sbssNOBITS0x1000d27c0xd27c0x600x00x3WA004
.bssNOBITS0x1000d2dc0xd27c0x29580x00x3WA004
.shstrtabSTRTAB0x00xd27c0x650x00x0001

Program Segments

TypeOffsetVirtual AddressPhysical AddressFile SizeMemory SizeEntropyFlagsFlags DescriptionAlignProg InterpreterSection Mappings
LOAD0x00x100000000x100000000xca8c0xca8c6.11710x5R E0x1000.init .text .fini .rodata
LOAD0xd0000x1000d0000x1000d0000x27c0x2c343.76940x7RWE0x1000.eh_frame .tbss .ctors .dtors .jcr .data .got .sdata .sbss .bss
TLS0xd0540x1000d0540x1000d0540x00x80.00000x4R 0x4.tbss
GNU_STACK0x00x00x00x00x00.00000x6RW 0x4

Network Behavior

⊘No network behavior found

System Behavior

General

Start time (UTC):19:58:51
Start date (UTC):27/10/2024
Path:/tmp/ppc.elf
Arguments:/tmp/ppc.elf
File size:5388968 bytes
MD5 hash:ae65271c943d3451b7f026d1fadccea6

Chronological Activities


General

Start time (UTC):19:59:15
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:-
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:15
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:/usr/sbin/sshd -D -R
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:15
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:-
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:15
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:/usr/sbin/sshd -D -R
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:15
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:-
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:21
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:-
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:21
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:/usr/sbin/sshd -D -R
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities


General

Start time (UTC):19:59:21
Start date (UTC):27/10/2024
Path:/usr/sbin/sshd
Arguments:-
File size:876328 bytes
MD5 hash:dbca7a6bbf7bf57fedac243d4b2cb340

Chronological Activities