Malware Analysis Report

2025-01-18 12:38

Sample ID 240404-x1wbrsfg9s
Target c09987630143346981e14a5a04b16124_JaffaCakes118
SHA256 a6c979feb129dc81f0b174ce5fe7440df01ccaf7ac04ebc3974300d279cd03d4
Tags
formbook mknl 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

a6c979feb129dc81f0b174ce5fe7440df01ccaf7ac04ebc3974300d279cd03d4

Threat Level: Known bad

The file c09987630143346981e14a5a04b16124_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook mknl rat spyware stealer trojan

Formbook

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

2024-04-04 19:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 19:19

Reported

2024-04-04 19:22

Platform

win7-20240221-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2948 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe
PID 2948 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

Network

N/A

Files

memory/2948-0-0x00000000003D0000-0x0000000000450000-memory.dmp

memory/2948-1-0x0000000074260000-0x000000007494E000-memory.dmp

memory/2948-2-0x0000000004AC0000-0x0000000004B00000-memory.dmp

memory/2948-3-0x00000000003C0000-0x00000000003CA000-memory.dmp

memory/2948-4-0x0000000074260000-0x000000007494E000-memory.dmp

memory/2948-5-0x0000000004AC0000-0x0000000004B00000-memory.dmp

memory/2948-6-0x0000000004840000-0x0000000004898000-memory.dmp

memory/2948-7-0x0000000074260000-0x000000007494E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 19:19

Reported

2024-04-04 19:22

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c09987630143346981e14a5a04b16124_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 99.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 215.143.182.52.in-addr.arpa udp

Files

memory/1964-0-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/1964-1-0x0000000000CC0000-0x0000000000D40000-memory.dmp

memory/1964-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

memory/1964-3-0x0000000005640000-0x00000000056D2000-memory.dmp

memory/1964-4-0x00000000057A0000-0x00000000057B0000-memory.dmp

memory/1964-5-0x00000000055C0000-0x00000000055CA000-memory.dmp

memory/1964-6-0x0000000005930000-0x000000000593A000-memory.dmp

memory/1964-7-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/1964-8-0x00000000057A0000-0x00000000057B0000-memory.dmp

memory/1964-9-0x0000000006BE0000-0x0000000006C7C000-memory.dmp

memory/1964-10-0x0000000006B90000-0x0000000006BE8000-memory.dmp

memory/1556-11-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1964-13-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/1556-14-0x0000000001970000-0x0000000001CBA000-memory.dmp

memory/1556-15-0x0000000001970000-0x0000000001CBA000-memory.dmp