Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-mmhteafb5y
Target 12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.zip
SHA256 f20e6a334354e5e62fa832f9ae56753cd3069be4ebc6dd3cc6aae7ebb6571331
Tags
formbook ns03 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f20e6a334354e5e62fa832f9ae56753cd3069be4ebc6dd3cc6aae7ebb6571331

Threat Level: Known bad

The file 12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.zip was found to be: Known bad.

Malicious Activity Summary

formbook ns03 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 10:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 10:34

Reported

2024-04-02 10:37

Platform

win7-20231129-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2240 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

Network

N/A

Files

memory/2240-1-0x0000000074150000-0x000000007483E000-memory.dmp

memory/2240-0-0x0000000000820000-0x00000000008BC000-memory.dmp

memory/2240-2-0x0000000004AD0000-0x0000000004B10000-memory.dmp

memory/2240-3-0x0000000000290000-0x00000000002A4000-memory.dmp

memory/2240-5-0x00000000005F0000-0x00000000005FC000-memory.dmp

memory/2240-4-0x00000000005E0000-0x00000000005EA000-memory.dmp

memory/2240-6-0x0000000005070000-0x00000000050E6000-memory.dmp

memory/2080-15-0x0000000000A50000-0x0000000000D53000-memory.dmp

memory/2240-14-0x0000000074150000-0x000000007483E000-memory.dmp

memory/2080-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2080-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2080-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2080-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2080-16-0x0000000000A50000-0x0000000000D53000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 10:34

Reported

2024-04-02 10:37

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2876 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2876 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/2876-0-0x0000000000E70000-0x0000000000F0C000-memory.dmp

memory/2876-1-0x0000000075250000-0x0000000075A00000-memory.dmp

memory/2876-2-0x0000000005E70000-0x0000000006414000-memory.dmp

memory/2876-3-0x0000000005960000-0x00000000059F2000-memory.dmp

memory/2876-4-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

memory/2876-5-0x0000000005900000-0x000000000590A000-memory.dmp

memory/2876-6-0x0000000005A80000-0x0000000005A94000-memory.dmp

memory/2876-8-0x0000000005AB0000-0x0000000005ABC000-memory.dmp

memory/2876-7-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

memory/2876-9-0x0000000006C90000-0x0000000006D06000-memory.dmp

memory/2876-10-0x0000000006EC0000-0x0000000006F5C000-memory.dmp

memory/3416-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2876-13-0x0000000075250000-0x0000000075A00000-memory.dmp

memory/3416-14-0x0000000001590000-0x00000000018DA000-memory.dmp