Malware Analysis Report

2024-10-19 09:33

Sample ID 240509-hrh8hshh86
Target 28d109c8ae793e4166f571c33862b727_JaffaCakes118
SHA256 72430a2f734d2e80b7f465382cf3d0cb0f640fff26bf1d98ccec2430cdc9fb2d
Tags
formbook ob 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

72430a2f734d2e80b7f465382cf3d0cb0f640fff26bf1d98ccec2430cdc9fb2d

Threat Level: Known bad

The file 28d109c8ae793e4166f571c33862b727_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook ob rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 06:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 06:58

Reported

2024-05-09 07:00

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 2204 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe"

Network

N/A

Files

memory/2204-2-0x0000000077630000-0x0000000077706000-memory.dmp

memory/2192-3-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 06:58

Reported

2024-05-09 07:00

Platform

win10v2004-20240508-en

Max time kernel

127s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe
PID 4952 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_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 --field-trial-handle=4168,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8

C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28d109c8ae793e4166f571c33862b727_JaffaCakes118.exe"

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 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 77.242.123.52.in-addr.arpa udp

Files

memory/3980-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4952-3-0x0000000077B11000-0x0000000077C31000-memory.dmp