Malware Analysis Report

2025-01-18 12:26

Sample ID 240830-sph5va1are
Target cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118
SHA256 82c7e2de66d1f85945118b2c1056c53d893a1b7017077cb28d53759732aaad98
Tags
formbook pe discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

82c7e2de66d1f85945118b2c1056c53d893a1b7017077cb28d53759732aaad98

Threat Level: Known bad

The file cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook pe discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 15:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 15:17

Reported

2024-08-30 15:20

Platform

win7-20240704-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 836 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe"

Network

N/A

Files

memory/836-2-0x0000000077351000-0x0000000077452000-memory.dmp

memory/836-3-0x0000000077350000-0x00000000774F9000-memory.dmp

memory/316-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/316-5-0x0000000077350000-0x00000000774F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 15:17

Reported

2024-08-30 15:20

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe
PID 2648 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb18c25c997f934bf0ef7b0e869c79ae_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 --field-trial-handle=4404,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4048 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2648-2-0x0000000076F21000-0x0000000077041000-memory.dmp

memory/1760-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2648-5-0x0000000076F21000-0x0000000077041000-memory.dmp