Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-qwvq4sbh93
Target 12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.zip
SHA256 4f7ee6f3c77fddd1cee964d1483fd4502e048c59a7c26b44ca991cd65f6abcb8
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

4f7ee6f3c77fddd1cee964d1483fd4502e048c59a7c26b44ca991cd65f6abcb8

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 13:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 13:37

Reported

2024-04-02 13:40

Platform

win7-20240319-en

Max time kernel

118s

Max time network

122s

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 2880 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2880 wrote to memory of 2056 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

N/A

Files

memory/2880-0-0x00000000002A0000-0x000000000033C000-memory.dmp

memory/2880-1-0x0000000074600000-0x0000000074CEE000-memory.dmp

memory/2880-2-0x00000000020B0000-0x00000000020F0000-memory.dmp

memory/2880-3-0x0000000000470000-0x0000000000484000-memory.dmp

memory/2880-4-0x0000000000680000-0x000000000068A000-memory.dmp

memory/2880-5-0x0000000000690000-0x000000000069C000-memory.dmp

memory/2880-6-0x0000000004FD0000-0x0000000005046000-memory.dmp

memory/2056-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2056-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2056-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2056-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2880-14-0x0000000074600000-0x0000000074CEE000-memory.dmp

memory/2056-15-0x00000000009E0000-0x0000000000CE3000-memory.dmp

memory/2056-16-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 13:37

Reported

2024-04-02 13:40

Platform

win10v2004-20240319-en

Max time kernel

144s

Max time network

162s

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 WriteProcessMemory

Description Indicator Process Target
PID 2884 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2884 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2884 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2884 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2884 wrote to memory of 4244 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2884 wrote to memory of 4244 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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4248 --field-trial-handle=2224,i,17688331074622862378,73816879873678745,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 74.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 167.161.23.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
IE 94.245.104.56:443 tcp
GB 172.166.92.12:443 tcp
GB 51.140.242.104:443 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
NL 142.250.179.138:443 tcp
NL 142.250.179.138:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 35.34.16.2.in-addr.arpa udp
GB 13.105.221.16:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2884-0-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/2884-1-0x0000000000C20000-0x0000000000CBC000-memory.dmp

memory/2884-2-0x0000000005C40000-0x00000000061E4000-memory.dmp

memory/2884-3-0x00000000055B0000-0x0000000005642000-memory.dmp

memory/2884-4-0x00000000057F0000-0x0000000005800000-memory.dmp

memory/2884-5-0x0000000005560000-0x000000000556A000-memory.dmp

memory/2884-6-0x0000000005900000-0x0000000005914000-memory.dmp

memory/2884-7-0x0000000005C00000-0x0000000005C0A000-memory.dmp

memory/2884-8-0x0000000005C10000-0x0000000005C1C000-memory.dmp

memory/2884-9-0x0000000006900000-0x0000000006976000-memory.dmp

memory/2884-10-0x00000000093A0000-0x000000000943C000-memory.dmp

memory/4244-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2884-13-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4244-14-0x00000000016C0000-0x0000000001A0A000-memory.dmp

memory/4244-15-0x00000000016C0000-0x0000000001A0A000-memory.dmp