Malware Analysis Report

2025-01-18 12:38

Sample ID 240405-aajtqafa27
Target c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118
SHA256 43fcb442b80665d42271689310ebd569e84f74287063a62e14beba808178e098
Tags
formbook zgrat h0c4 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

43fcb442b80665d42271689310ebd569e84f74287063a62e14beba808178e098

Threat Level: Known bad

The file c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook zgrat h0c4 rat spyware stealer trojan

Formbook

ZGRat

Detect ZGRat V1

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-05 00:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 00:00

Reported

2024-04-05 00:03

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe"

Signatures

Detect ZGRat V1

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

Formbook

trojan spyware stealer formbook

ZGRat

rat zgrat

Formbook payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 2168 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

Network

N/A

Files

memory/2168-0-0x0000000000CC0000-0x0000000000DB6000-memory.dmp

memory/2168-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

memory/2168-2-0x0000000004B30000-0x0000000004BFC000-memory.dmp

memory/2168-3-0x00000000743E0000-0x0000000074ACE000-memory.dmp

memory/2168-4-0x0000000000660000-0x00000000006A0000-memory.dmp

memory/2168-5-0x0000000000450000-0x0000000000482000-memory.dmp

memory/2416-6-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2416-7-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2416-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2416-10-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2168-11-0x00000000743E0000-0x0000000074ACE000-memory.dmp

memory/2416-12-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 00:00

Reported

2024-04-05 00:03

Platform

win10v2004-20240319-en

Max time kernel

144s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe"

Signatures

Detect ZGRat V1

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

Formbook

trojan spyware stealer formbook

ZGRat

rat zgrat

Formbook payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5088 wrote to memory of 3356 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 3356 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 3356 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe
PID 5088 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c54edc9ef9d72fe0fe048e8ac884626b_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
NL 142.251.39.106:443 tcp

Files

memory/5088-0-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/5088-1-0x0000000000C80000-0x0000000000D76000-memory.dmp

memory/5088-2-0x00000000056B0000-0x000000000577C000-memory.dmp

memory/5088-3-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/5088-4-0x0000000005790000-0x00000000057A0000-memory.dmp

memory/5088-5-0x0000000005C40000-0x0000000005C72000-memory.dmp

memory/388-6-0x0000000000400000-0x000000000042E000-memory.dmp

memory/5088-8-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/388-9-0x0000000000F90000-0x00000000012DA000-memory.dmp