Malware Analysis Report

2025-01-18 12:27

Sample ID 240830-3gtlqasdpb
Target cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118
SHA256 30a23a5cba3f21206da36e9aa74d872235fc7a25a3751b2bc977803ea4cefa2b
Tags
formbook endless 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

30a23a5cba3f21206da36e9aa74d872235fc7a25a3751b2bc977803ea4cefa2b

Threat Level: Known bad

The file cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook endless discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 23:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 23:29

Reported

2024-08-30 23:32

Platform

win7-20240704-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_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\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe
PID 3040 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe"

Network

N/A

Files

memory/3040-0-0x00000000746A1000-0x00000000746A2000-memory.dmp

memory/3040-1-0x00000000746A0000-0x0000000074C4B000-memory.dmp

memory/3040-2-0x00000000746A0000-0x0000000074C4B000-memory.dmp

memory/3040-3-0x00000000746A0000-0x0000000074C4B000-memory.dmp

memory/3040-4-0x00000000746A0000-0x0000000074C4B000-memory.dmp

memory/2712-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2712-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2712-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2712-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3040-12-0x00000000746A0000-0x0000000074C4B000-memory.dmp

memory/2712-13-0x0000000000A40000-0x0000000000D43000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 23:29

Reported

2024-08-30 23:32

Platform

win10v2004-20240802-en

Max time kernel

129s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_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\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\cbdd7feec1325ccdeedfc3f5ee9f7252_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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/1396-0-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

memory/1396-1-0x0000000074AC0000-0x0000000075071000-memory.dmp

memory/1396-2-0x0000000074AC0000-0x0000000075071000-memory.dmp

memory/1396-3-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

memory/1396-4-0x0000000074AC0000-0x0000000075071000-memory.dmp

memory/5084-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/5084-7-0x0000000001240000-0x000000000158A000-memory.dmp

memory/1396-8-0x0000000074AC0000-0x0000000075071000-memory.dmp