Malware Analysis Report

2025-01-18 12:26

Sample ID 240830-sqtb7s1bnd
Target cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118
SHA256 f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e
Tags
formbook cmsr 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

f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e

Threat Level: Known bad

The file cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook cmsr discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 15:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 15:20

Reported

2024-08-30 15:22

Platform

win7-20240729-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_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\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe
PID 2192 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"

Network

N/A

Files

memory/2192-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

memory/2192-1-0x0000000001370000-0x0000000001580000-memory.dmp

memory/2192-2-0x0000000073E60000-0x000000007454E000-memory.dmp

memory/2192-3-0x0000000000580000-0x0000000000598000-memory.dmp

memory/2192-4-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

memory/2192-5-0x0000000073E60000-0x000000007454E000-memory.dmp

memory/2192-6-0x0000000000E90000-0x0000000000EE8000-memory.dmp

memory/2072-7-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2072-13-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2072-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2072-9-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2192-14-0x0000000073E60000-0x000000007454E000-memory.dmp

memory/2072-15-0x0000000000700000-0x0000000000A03000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 15:20

Reported

2024-08-30 15:22

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_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\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cb198e943e5c25204869a0e0d2a0d964_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
GB 2.18.27.76:443 www.bing.com tcp
US 8.8.8.8:53 76.27.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1252-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

memory/1252-1-0x0000000000D10000-0x0000000000F20000-memory.dmp

memory/1252-2-0x00000000057B0000-0x000000000584C000-memory.dmp

memory/1252-3-0x0000000005E00000-0x00000000063A4000-memory.dmp

memory/1252-4-0x0000000005850000-0x00000000058E2000-memory.dmp

memory/1252-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

memory/1252-6-0x0000000005A50000-0x0000000005AA6000-memory.dmp

memory/1252-7-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/1252-8-0x0000000005A00000-0x0000000005A18000-memory.dmp

memory/1252-9-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

memory/1252-10-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/1252-11-0x0000000006650000-0x00000000066A8000-memory.dmp

memory/380-12-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1252-14-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/380-15-0x0000000001410000-0x000000000175A000-memory.dmp