Linux Analysis Report
oCw95qmNsh.elf

Overview

General Information

Sample name: oCw95qmNsh.elf
renamed because original name is a hash value
Original sample name: 18149669f5eb4dc120845bb460553863.elf
Analysis ID: 1427797
MD5: 18149669f5eb4dc120845bb460553863
SHA1: d3a6295b9c3f04780534eab0d88ae30c8a45bd0b
SHA256: 313853a6026e0dfcdf15dbed914ddc36186e79e426022b39f732004dd5b11dc5
Tags: 32armelfmirai
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Enumerates processes within the "proc" file system
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: oCw95qmNsh.elf Virustotal: Detection: 50% Perma Link
Source: oCw95qmNsh.elf ReversingLabs: Detection: 55%
Found strings indicative of a multi-platform dropper
Source: oCw95qmNsh.elf String: HTTP/1.1 200 OKtop1hbt.armtop1hbt.arm5top1hbt.arm6top1hbt.arm7top1hbt.mipstop1hbt.mpsltop1hbt.x86_64top1hbt.sh4/proc/proc/%d/cmdlinernetstatwgetcurlbusybox/bin/busybox/proc//proc/%s/exe/proc/self/exevar/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/abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ3f
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: cnc.condi.cloud replaycode: Server failure (2)
Source: unknown DNS traffic detected: queries for: cnc.condi.cloud

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: oCw95qmNsh.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5489.1.00007f4f58017000.00007f4f5802b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Process Memory Space: oCw95qmNsh.elf PID: 5489, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox
Source: Initial sample String containing 'busybox' found: HTTP/1.1 200 OKtop1hbt.armtop1hbt.arm5top1hbt.arm6top1hbt.arm7top1hbt.mipstop1hbt.mpsltop1hbt.x86_64top1hbt.sh4/proc/proc/%d/cmdlinernetstatwgetcurlbusybox/bin/busybox/proc//proc/%s/exe/proc/self/exevar/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/abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ3f
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: oCw95qmNsh.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 5489.1.00007f4f58017000.00007f4f5802b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: Process Memory Space: oCw95qmNsh.elf PID: 5489, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: classification engine Classification label: mal56.linELF@0/1025@100/0
Enumerates processes within the "proc" file system
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1583/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/2672/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/110/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/111/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3639/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/112/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/113/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/234/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1577/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/114/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/235/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/115/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/116/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/117/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/118/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/119/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/10/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/917/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/11/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/12/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/13/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/14/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/15/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/16/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/17/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/18/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/19/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1593/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/240/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/120/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3094/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/121/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/242/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3406/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/122/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/243/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/2/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/123/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/244/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1589/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/124/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/245/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1588/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/125/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/4/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/246/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3402/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/126/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/5/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/247/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/127/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/6/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/248/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/128/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/7/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/249/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/8/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/129/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/800/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/9/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/801/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/803/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/20/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/806/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/21/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/807/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/928/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/22/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/23/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/24/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/25/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/26/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/27/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/28/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/29/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3420/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/490/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/250/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/130/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/251/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/131/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/252/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/132/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/253/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/254/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/255/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/135/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/256/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1599/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/257/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/378/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/258/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/3412/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/259/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/30/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/35/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/1371/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/260/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/261/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/262/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/142/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/263/cmdline Jump to behavior
Source: /tmp/oCw95qmNsh.elf (PID: 5493) File opened: /proc/264/cmdline Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/oCw95qmNsh.elf (PID: 5489) Queries kernel information via 'uname': Jump to behavior
Source: oCw95qmNsh.elf, 5489.1.00007ffd88c06000.00007ffd88c27000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/oCw95qmNsh.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/oCw95qmNsh.elf
Source: oCw95qmNsh.elf, 5489.1.0000564242504000.0000564242632000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: oCw95qmNsh.elf, 5489.1.00007ffd88c06000.00007ffd88c27000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: oCw95qmNsh.elf, 5489.1.0000564242504000.0000564242632000.rw-.sdmp Binary or memory string: QBBV!/etc/qemu-binfmt/arm
windows-stand
⊘No contacted IP infos

Contacted Domains

Name IP Active
cnc.condi.cloud unknown unknown