Malware Analysis Report

2025-01-18 12:41

Sample ID 240403-el8pfafe4s
Target 9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118
SHA256 efbfd17d24ef5ee8e54a74ef9527396d511bcdade1826a1c08ee4f2603ec798e
Tags
formbook useb 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

efbfd17d24ef5ee8e54a74ef9527396d511bcdade1826a1c08ee4f2603ec798e

Threat Level: Known bad

The file 9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook useb 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

2024-04-03 04:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 04:02

Reported

2024-04-03 04:05

Platform

win7-20240319-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_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\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe
PID 1980 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe"

Network

N/A

Files

memory/1980-0-0x0000000000EF0000-0x0000000000F68000-memory.dmp

memory/1980-1-0x0000000074990000-0x000000007507E000-memory.dmp

memory/1980-2-0x0000000000D60000-0x0000000000DA0000-memory.dmp

memory/1980-3-0x0000000000560000-0x000000000056A000-memory.dmp

memory/1980-4-0x0000000074990000-0x000000007507E000-memory.dmp

memory/1980-5-0x0000000000D60000-0x0000000000DA0000-memory.dmp

memory/1980-6-0x0000000000940000-0x0000000000998000-memory.dmp

memory/3004-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3004-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3004-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3004-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1980-12-0x0000000074990000-0x000000007507E000-memory.dmp

memory/3004-13-0x0000000000700000-0x0000000000A03000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 04:02

Reported

2024-04-03 04:05

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_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\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9f95195d65c34c3b3bc599e399196cbb_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 249.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/1276-1-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/1276-0-0x0000000000730000-0x00000000007A8000-memory.dmp

memory/1276-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

memory/1276-3-0x00000000051C0000-0x0000000005252000-memory.dmp

memory/1276-4-0x00000000053F0000-0x0000000005400000-memory.dmp

memory/1276-5-0x0000000005170000-0x000000000517A000-memory.dmp

memory/1276-6-0x00000000051A0000-0x00000000051AA000-memory.dmp

memory/1276-7-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/1276-8-0x00000000053F0000-0x0000000005400000-memory.dmp

memory/1276-9-0x0000000005F80000-0x000000000601C000-memory.dmp

memory/1276-10-0x0000000006170000-0x00000000061C8000-memory.dmp

memory/4948-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1276-13-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/4948-14-0x0000000001AB0000-0x0000000001DFA000-memory.dmp

memory/4948-15-0x0000000001AB0000-0x0000000001DFA000-memory.dmp