Malware Analysis Report

2024-10-19 09:34

Sample ID 240509-wmfhqaab88
Target 2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118
SHA256 2040586dd9fea01ac08b13748962e9c7ec2bebd618d92543f260984b2eebc352
Tags
formbook vi 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

2040586dd9fea01ac08b13748962e9c7ec2bebd618d92543f260984b2eebc352

Threat Level: Known bad

The file 2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook vi rat spyware stealer trojan

Formbook

Formbook payload

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

NTFS ADS

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 18:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 18:02

Reported

2024-05-09 18:04

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe"

Signatures

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2804 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 1216

Network

N/A

Files

memory/2804-0-0x000000007496E000-0x000000007496F000-memory.dmp

memory/2804-1-0x0000000001090000-0x0000000001108000-memory.dmp

memory/2804-2-0x0000000000370000-0x000000000039C000-memory.dmp

memory/2804-3-0x0000000074960000-0x000000007504E000-memory.dmp

memory/2804-4-0x00000000003E0000-0x00000000003EA000-memory.dmp

memory/2804-5-0x0000000000850000-0x000000000085C000-memory.dmp

memory/2804-6-0x0000000074960000-0x000000007504E000-memory.dmp

memory/2804-7-0x0000000000B00000-0x0000000000B0C000-memory.dmp

\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

MD5 2b339850ba96bb3c8308c70acd7ac521
SHA1 4c497319129abac43989a7a75c4ff8d3fee9554e
SHA256 2040586dd9fea01ac08b13748962e9c7ec2bebd618d92543f260984b2eebc352
SHA512 bba4a5d960e100295b7e2c33edfbc2e922ca12a92d43a7ec122f4d2dec33579abd38e4ef69134ed8e35bbbb8cc83efcaf7e67f1f5f2dfa6fc4c54bcd29eea401

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 18:02

Reported

2024-05-09 18:04

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe N/A

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A
File opened for modification C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 744 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe
PID 744 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe:Zone.Identifier"

C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/744-0-0x000000007464E000-0x000000007464F000-memory.dmp

memory/744-1-0x0000000000080000-0x00000000000F8000-memory.dmp

memory/744-2-0x0000000004A70000-0x0000000004B02000-memory.dmp

memory/744-3-0x0000000000B00000-0x0000000000B2C000-memory.dmp

memory/744-4-0x0000000004B80000-0x0000000004BE6000-memory.dmp

memory/744-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

memory/744-6-0x0000000004E00000-0x0000000004FC2000-memory.dmp

memory/744-7-0x0000000004B10000-0x0000000004B1A000-memory.dmp

memory/744-8-0x0000000004C60000-0x0000000004C82000-memory.dmp

memory/744-9-0x0000000005D60000-0x0000000006304000-memory.dmp

memory/744-10-0x0000000004B30000-0x0000000004B3C000-memory.dmp

memory/744-11-0x000000007464E000-0x000000007464F000-memory.dmp

memory/744-12-0x0000000074640000-0x0000000074DF0000-memory.dmp

memory/744-13-0x0000000005C40000-0x0000000005C4C000-memory.dmp

memory/744-14-0x0000000006310000-0x00000000063AC000-memory.dmp

memory/4516-15-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\2b339850ba96bb3c8308c70acd7ac521_JaffaCakes118.exe

MD5 2b339850ba96bb3c8308c70acd7ac521
SHA1 4c497319129abac43989a7a75c4ff8d3fee9554e
SHA256 2040586dd9fea01ac08b13748962e9c7ec2bebd618d92543f260984b2eebc352
SHA512 bba4a5d960e100295b7e2c33edfbc2e922ca12a92d43a7ec122f4d2dec33579abd38e4ef69134ed8e35bbbb8cc83efcaf7e67f1f5f2dfa6fc4c54bcd29eea401

memory/744-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

memory/4516-19-0x00000000015B0000-0x00000000018FA000-memory.dmp

memory/4516-20-0x00000000015B0000-0x00000000018FA000-memory.dmp