Malware Analysis Report

2024-10-19 09:28

Sample ID 240712-s886dasdrh
Target 3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118
SHA256 d9d91e187b55cc521e8d3c79ac49d8bdd771a5626c2d39a7d788c97234248a19
Tags
formbook 2kf 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

d9d91e187b55cc521e8d3c79ac49d8bdd771a5626c2d39a7d788c97234248a19

Threat Level: Known bad

The file 3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook 2kf rat spyware stealer trojan

Formbook

Formbook payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 15:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 15:48

Reported

2024-07-12 15:51

Platform

win7-20240704-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

Signatures

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\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2392 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 2392 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZvKfYNN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6DA.tmp"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

Network

N/A

Files

memory/2392-0-0x000000007498E000-0x000000007498F000-memory.dmp

memory/2392-1-0x0000000000340000-0x0000000000428000-memory.dmp

memory/2392-2-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2392-3-0x0000000000330000-0x000000000033A000-memory.dmp

memory/2392-4-0x000000007498E000-0x000000007498F000-memory.dmp

memory/2392-5-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2392-6-0x0000000007070000-0x00000000070DA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpA6DA.tmp

MD5 eb98c603e1314ba20a143541452eb418
SHA1 f424107ac18b69936ba1fa94488d52889f3071c0
SHA256 07453a841d9a0b8f3d0c081fdf0f37ed9f305dc0183f24a8eea0bd4297000219
SHA512 f91623e6311e8d6f528a6e2e25e8ae82547f7d9c769b4ab009014609c74097f01283d919655d12d9ee05690b88052944a2dc3d46361063c1955bff44bf1dddd0

memory/2392-12-0x0000000074980000-0x000000007506E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 15:48

Reported

2024-07-12 15:51

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_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\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1508 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1508 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1508 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
PID 1508 wrote to memory of 988 N/A C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZvKfYNN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp"

C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1508-0-0x000000007533E000-0x000000007533F000-memory.dmp

memory/1508-1-0x00000000005F0000-0x00000000006D8000-memory.dmp

memory/1508-2-0x0000000007550000-0x00000000075EC000-memory.dmp

memory/1508-3-0x0000000007BA0000-0x0000000008144000-memory.dmp

memory/1508-4-0x0000000007690000-0x0000000007722000-memory.dmp

memory/1508-5-0x0000000002990000-0x000000000299A000-memory.dmp

memory/1508-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

memory/1508-7-0x0000000007820000-0x0000000007876000-memory.dmp

memory/1508-8-0x0000000007680000-0x000000000768A000-memory.dmp

memory/1508-9-0x000000007533E000-0x000000007533F000-memory.dmp

memory/1508-10-0x0000000075330000-0x0000000075AE0000-memory.dmp

memory/1508-11-0x0000000000EC0000-0x0000000000F2A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp

MD5 9766110cfa6062cac654f6de27c292f5
SHA1 9b402115d34f9ba3e878dfe7afac4329676422c1
SHA256 d68c1d2c39bfb298865d6a738b6f1aa8aef1946c01ae3b0c2730e2686f8bab07
SHA512 73f2895010f64605ace90865b0744e6b47977da572d563663a3997ceff00b7ac357fe7d8dc982d9c1419c3d59bd0f995f734a7b754de475e71ab0303d64922f3

memory/988-17-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1508-19-0x0000000075330000-0x0000000075AE0000-memory.dmp

memory/988-20-0x0000000001730000-0x0000000001A7A000-memory.dmp