Malware Analysis Report

2025-01-18 12:23

Sample ID 240829-b7qtzaxeqg
Target 8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
SHA256 8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b
Tags
formbook d16h discovery 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

8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b

Threat Level: Known bad

The file 8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe was found to be: Known bad.

Malicious Activity Summary

formbook d16h discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 01:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 01:47

Reported

2024-08-29 01:50

Platform

win7-20240708-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1724 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 1724 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

Network

N/A

Files

memory/1724-0-0x000000007463E000-0x000000007463F000-memory.dmp

memory/1724-1-0x0000000000DC0000-0x0000000000E72000-memory.dmp

memory/1724-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/1724-3-0x0000000004DB0000-0x0000000004E54000-memory.dmp

memory/1724-4-0x00000000008B0000-0x00000000008C8000-memory.dmp

memory/1724-5-0x000000007463E000-0x000000007463F000-memory.dmp

memory/1724-6-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/1724-7-0x0000000004EF0000-0x0000000004F66000-memory.dmp

memory/2704-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2704-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2704-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2704-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1724-13-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/2704-14-0x00000000008D0000-0x0000000000BD3000-memory.dmp

memory/2704-15-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 01:47

Reported

2024-08-29 01:49

Platform

win10v2004-20240802-en

Max time kernel

130s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3760 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe
PID 3760 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe

"C:\Users\Admin\AppData\Local\Temp\8c92b39496a1f938d9c16ad3e1a7948b48923fd028e23a422c5bf8f0b7e1138b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3760-0-0x000000007516E000-0x000000007516F000-memory.dmp

memory/3760-1-0x0000000000B70000-0x0000000000C22000-memory.dmp

memory/3760-2-0x0000000005C80000-0x0000000006224000-memory.dmp

memory/3760-3-0x0000000005600000-0x0000000005692000-memory.dmp

memory/3760-4-0x00000000057D0000-0x00000000057DA000-memory.dmp

memory/3760-5-0x0000000075160000-0x0000000075910000-memory.dmp

memory/3760-6-0x0000000006CA0000-0x0000000006D44000-memory.dmp

memory/3760-7-0x0000000005C30000-0x0000000005C48000-memory.dmp

memory/3760-8-0x000000007516E000-0x000000007516F000-memory.dmp

memory/3760-9-0x0000000075160000-0x0000000075910000-memory.dmp

memory/3760-10-0x0000000006830000-0x00000000068A6000-memory.dmp

memory/3760-11-0x00000000090B0000-0x000000000914C000-memory.dmp

memory/3472-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3760-14-0x0000000075160000-0x0000000075910000-memory.dmp

memory/3472-15-0x00000000011D0000-0x000000000151A000-memory.dmp