Malware Analysis Report

2024-10-19 09:26

Sample ID 240713-kwsc4awhng
Target 4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118
SHA256 3f1f0dce8eb0b1a98912a8c08208c5d4425e013e20719aca1d14ca4924f841c6
Tags
formbook rf3t 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

3f1f0dce8eb0b1a98912a8c08208c5d4425e013e20719aca1d14ca4924f841c6

Threat Level: Known bad

The file 4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook rf3t rat spyware stealer trojan

Formbook

Formbook payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 08:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 08:57

Reported

2024-07-13 08:59

Platform

win7-20240705-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2360 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2360 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2360 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 2360 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\flmLrvYnTWalZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AB0.tmp"

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"{path}"

Network

N/A

Files

memory/2360-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/2360-1-0x00000000009D0000-0x0000000000AC6000-memory.dmp

memory/2360-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2360-3-0x0000000001ED0000-0x0000000001EE4000-memory.dmp

memory/2360-4-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/2360-5-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2360-6-0x00000000050B0000-0x0000000005158000-memory.dmp

memory/2360-7-0x0000000004310000-0x0000000004364000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3AB0.tmp

MD5 341d911cfd524334372de4597433ba84
SHA1 12c761b75c8ad43f617b88f1c1f1cb05ec0256f9
SHA256 6242174000e98b283f0de5d07da51cab1a7212fe6aaea1499765081683aad36a
SHA512 c9e60103093343958e01e3b78701aa701a2ec3e4ce9ce45a0fcaada4519640757201ad6910c27c576bbda7d24ae7745ed85bbece04f313aa29b7cfbc792f4ce9

memory/2876-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2876-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2876-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2876-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2360-18-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2876-19-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 08:57

Reported

2024-07-13 09:00

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1272 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1272 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1272 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1272 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe
PID 1272 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\flmLrvYnTWalZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF368.tmp"

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\4105b6a32b90180cd3dfe3c359061f46_JaffaCakes118.exe

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp

Files

memory/1272-0-0x000000007530E000-0x000000007530F000-memory.dmp

memory/1272-1-0x00000000001D0000-0x00000000002C6000-memory.dmp

memory/1272-2-0x0000000004C70000-0x0000000004D0C000-memory.dmp

memory/1272-3-0x00000000052C0000-0x0000000005864000-memory.dmp

memory/1272-4-0x0000000004DB0000-0x0000000004E42000-memory.dmp

memory/1272-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

memory/1272-6-0x0000000004E50000-0x0000000004EA6000-memory.dmp

memory/1272-7-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/1272-8-0x0000000004D80000-0x0000000004DA2000-memory.dmp

memory/1272-9-0x0000000000D90000-0x0000000000DA4000-memory.dmp

memory/1272-10-0x000000007530E000-0x000000007530F000-memory.dmp

memory/1272-11-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/1272-12-0x0000000006480000-0x0000000006528000-memory.dmp

memory/1272-13-0x0000000006110000-0x0000000006164000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF368.tmp

MD5 c42a60f6bd6e5fcb220a8864cea53ce6
SHA1 29215c8925b758f45199ffcfc099b360a4c1a7d5
SHA256 03987d2ca1693199fd018683256abb0669a441af23f57545302ddc8b60b24bc9
SHA512 cdb1c44e9dd8a2006bba99caaa73aa89a493ccf2aac90ab6dd48f8ea5b7b9df005d89b271515f6b8f923f64d9e8b997fe680cc6fede265031f4cb82048c1e65b

memory/1896-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1272-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/1896-20-0x00000000012A0000-0x00000000015EA000-memory.dmp