Malware Analysis Report

2024-08-06 17:30

Sample ID 240702-em9ywsydrm
Target 1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118
SHA256 a1de09c8da8de9a7c9c82714862048aadcc3871092215a974ad5fbad3abca818
Tags
darkcomet guest16 rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a1de09c8da8de9a7c9c82714862048aadcc3871092215a974ad5fbad3abca818

Threat Level: Known bad

The file 1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet guest16 rat trojan

Darkcomet

Loads dropped DLL

Drops file in System32 directory

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-02 04:04

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-02 04:04

Reported

2024-07-02 04:07

Platform

win7-20240611-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\PSAPI.DLL C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\PSAPI.DLL C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\unicows.dll C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\unicows.dll C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2764 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2764 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2764 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2764 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 276

Network

N/A

Files

memory/2764-2-0x00000000002E0000-0x000000000031E000-memory.dmp

\Windows\SysWOW64\unicows.dll

MD5 006401678cfbccbcb97e405e2f83d2fa
SHA1 0976db1b5b9aa69e77fa25c35c8189e3ef851ffc
SHA256 a491c11f667fda3fb3311f6221bca15e4da159df4c12f7a7a0cfbf99f2b7c60b
SHA512 ef24dd6c6781c843a9730622f44d260e8db4fc365726aa918805d336c1f25659cf43df7400efd4307da3cca54c2e9c4f4cfbf3c10d974d37a4033c9624cc8d92

memory/2764-4-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/2764-5-0x0000000000400000-0x00000000004DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-02 04:04

Reported

2024-07-02 04:07

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\unicows.dll C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\PSAPI.DLL C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\PSAPI.DLL C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\unicows.dll C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1df0c7c729ccdc49e0fc71819412132a_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 4004

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 632

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp

Files

memory/4004-0-0x0000000000400000-0x00000000004DB000-memory.dmp

C:\Windows\SysWOW64\unicows.dll

MD5 006401678cfbccbcb97e405e2f83d2fa
SHA1 0976db1b5b9aa69e77fa25c35c8189e3ef851ffc
SHA256 a491c11f667fda3fb3311f6221bca15e4da159df4c12f7a7a0cfbf99f2b7c60b
SHA512 ef24dd6c6781c843a9730622f44d260e8db4fc365726aa918805d336c1f25659cf43df7400efd4307da3cca54c2e9c4f4cfbf3c10d974d37a4033c9624cc8d92

memory/4004-5-0x0000000000400000-0x00000000004DB000-memory.dmp