Linux Analysis Report
dlr.arm6.elf

Overview

General Information

Sample name: dlr.arm6.elf
Analysis ID: 1542861
MD5: b0fb587ae4404c9fd86eda2985d1a15b
SHA1: c32b89a1e2f4b741ba9c4cbd903faf5e2270a5f1
SHA256: 994c64af68157c42c80142c4f12381995986600031ddaa5f2b4a6858b9529171
Tags: elfuser-abuse_ch
Infos:

Detection

Okiru
Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Okiru
Executes the "systemctl" command used for controlling the systemd system and service manager
Found strings indicative of a multi-platform dropper
HTTP GET or POST without a user agent
Reads system version information
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Writes ELF files to disk

Classification

AV Detection

barindex
Source: /tmp/byte Avira: detection malicious, Label: EXP/ELF.Mirai.Bootnet.o
Source: dlr.arm6.elf ReversingLabs: Detection: 47%
Source: byte.12.dr String: byte/proc/%d/net/tcp %*d: %*x:%x/proc//proc/%s/exe/proc/self/exe/proc/proc/%d/cmdlinenetstatwgettftpftpcurlbusybox/bin/busyboxvar/Challengeapp/hi3511gmDVRiboxusr/dvr_main _8182T_1108mnt/mtd/app/guivar/Kylinl0 c/udevdanko-app/ankosample _8182T_1104var/tmp/soniahicorestm_hi3511_dvr/usr/lib/systemd/systemd/usr/libexec/openssh/sftp-serverusr/shellmnt/sys/bin/boot/media/srv/var/run/sbin/lib/etc/dev/home/Davincitelnetsshwatchdog/var/spool/var/Sofiasshd/usr/compress/bin//compress/bin/compress/usr/bashhttpdtelnetddropbearropbearencodersystem/root/dvr_gui//root/dvr_app//anko-app//opt/soraJoshohajime902i13BzSxLxBxeYHOHO-LUGO7HOHO-U79OLJuYfouyf87NiGGeR69xdSO190Ij1XLOLKIKEEEDDEekjheory98escansh4MDMAfdevalvexscanspcMELTEDNINJAREALZflexsonskidsscanx86MISAKI-U79OLfoAxi102kxeswodjwodjwojMmKiy7f87lfreecookiex86sysgpufrgegesysupdater0DnAzepdNiGGeRD0nks69frgreu0x766f6964NiGGeRd0nks1337gafturasgbsigboa120i3UI49OaF3geaevaiolmao123123aOfurain0n4H34DggTrexewwasads1293194hjXDOthLaLosnggtwget-log1337SoraLOADERSAIAKINAggtq1378bfp919GRB1Q2SAIAKUSOggtr14FaSEXSLAVE1337ggtt1902a3u912u3u4haetrghbr19ju3dSORAojkf120hehahejeje922U2JDJA901F91SlaVLav12helpmedaddthhhhh2wgg9qphbqSlav3Th3seD3viceshzSmYZjYMQ5GbfSoRAxD123LOLiaGv5aA3SoRAxD420LOLinsomni640277SoraBeReppin1337ipcamCache66tlGg9QjUYfouyf876ke3TOKYO3lyEeaXul2dULCVxh93OfjHZ2zTY2gD6MZvKc7KU6rmMkiy6f87lA023UU4U24UIUTheWeekndmioribitchesA5p9TheWeekndsmnblkjpoiAbAdTokyosnebAkiruU8inTznetstatsAlexW9RCAKM20TnewnetwordAyo215WordnloadsBAdAsVWordmanenotyakuzaaBelchWordnetsobpBigN0gg0r420X0102I34fofhasfhiafhoiX19I239124UIUoismXSHJEHHEIIHWOolsVNwo12DeportedDeportedXkTer0GbA1onry0v03FortniteDownLOLZY0urM0mGaypussyfartlmaojkGrAcEnIgGeRaNnYvdGkqndCOqGeoRBe6BEGuiltyCrownZEuS69s4beBsEQhdHOHO-KSNDOZEuz69sat1234aj93hJ23scanHAalie293z0k2LscanJoshoARMHellInSideayyyGangShitscanJoshoARM5HighFryb1glscanJoshoARM6IWhPyucDbJboatnetzscanJoshoARM7IuYgujeIqnbtbatrtahzexsexscanJoshoM68KJJDUHEWBBBIBscanJoshoMIPSJSDGIEVIVAVIGcKbVkzGOPascanJoshoMPSLccADscanJoshoPPCKAZEN-OIU97chickenxingsscanJoshoSH4yakuskzm8KAZEN-PO78HcleanerscanJoshoSPCKAZEN-U79OLdbeefscanJoshoX86yakuz4c24KETASHI32ddrwelperscanarm5zPnr6HpQj2Kaishi-Iz90Ydeexecscanarm6zdrtfxcgyKatrina32doCP3fVjscanarm7zxcfhuioKsif91je39scanm68kKuasadvrhelperl33t_feetl33tl33tfeetscanmipsKuasaBinsMateeQnOhRk85rscanmpslLOLHHHOHOHBUIeXK20CL12ZnyamezyQBotBladeSPOOKYhikariwasherep4029x91xx32uhj4gbejhwizardzhra.outboatnetdbgcondiheroshimaskid.dbglzrdPownedSecurity69.aresfxlyazsxhyUNSTABLEunstable_is_the_story_of_the_universemoobotjnsd9sdoilayourmomgaeissdfjiougsiojOasisSEGRJIJHFVNHSNHEIHFOSapep999KOWAI-BAdAsVKOWAI-SADjHKipU7Ylairdropmalwareyour_verry_fucking_gayBig-Bro-Brightsefaexecshirololieagle.For-Gai-Mezy0x6axNLcloqkisvspookymythSwergjmioGKILLEJW(IU(JIWERGFJGJWJRGHetrhwewrtheIuFdKssCxzjSDFJIjioOnrYoXd666ewrtkjokethajbdf89wu823AAaasrdgsWsGA4@F6FGhostWuzHere666BOGOMIPSbeastmodedvrHelperbestmodesfc6aJfIuYDemon.xeno-is-godICY-P-0ODIJgSHUIHIfhwrgLhu87VhvQPzlunadakuexecbinTacoBellGodYololigangExecutionorbitclientAmnesi
Source: global traffic HTTP traffic detected: GET /bins/byte.arm6 HTTP/1.0Data Raw: 00 00 Data Ascii:
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: unknown TCP traffic detected without corresponding DNS query: 154.216.20.69
Source: global traffic HTTP traffic detected: GET /bins/byte.arm6 HTTP/1.0Data Raw: 00 00 Data Ascii:
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal64.troj.linELF@0/1@0/0
Source: /usr/lib/snapd/snap-failure (PID: 5759) Systemctl executable: /usr/bin/systemctl -> systemctl stop snapd.socket Jump to behavior
Source: /usr/lib/snapd/snap-failure (PID: 5744) Reads version info: /proc/version Jump to behavior
Source: /tmp/dlr.arm6.elf (PID: 5705) File written: /tmp/byte Jump to dropped file
Source: /tmp/dlr.arm6.elf (PID: 5705) Queries kernel information via 'uname': Jump to behavior
Source: dlr.arm6.elf, 5705.1.00007ffdf3dfc000.00007ffdf3e1d000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/dlr.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/dlr.arm6.elf
Source: dlr.arm6.elf, 5705.1.0000564dcd7df000.0000564dcd90d000.rw-.sdmp Binary or memory string: MV!/etc/qemu-binfmt/arm
Source: dlr.arm6.elf, 5705.1.0000564dcd7df000.0000564dcd90d000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: dlr.arm6.elf, 5705.1.00007ffdf3dfc000.00007ffdf3e1d000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

Stealing of Sensitive Information

barindex
Source: Yara match File source: /tmp/byte, type: DROPPED

Remote Access Functionality

barindex
Source: Yara match File source: /tmp/byte, type: DROPPED
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs