Malware Analysis Report

2025-08-10 14:27

Sample ID 241030-ct4pcavbnd
Target 44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
SHA256 44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3
Tags
formbook dn13 discovery execution 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

44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3

Threat Level: Known bad

The file 44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe was found to be: Known bad.

Malicious Activity Summary

formbook dn13 discovery execution rat spyware stealer trojan

Formbook

Formbook family

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 02:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-30 02:23

Reported

2024-10-30 02:25

Platform

win7-20241023-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

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\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

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\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2100 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2100 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2100 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 2100 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hmlPTospxjGJ.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hmlPTospxjGJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92BE.tmp"

C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

Network

N/A

Files

memory/2100-0-0x00000000741DE000-0x00000000741DF000-memory.dmp

memory/2100-1-0x0000000001240000-0x00000000012E8000-memory.dmp

memory/2100-2-0x00000000741D0000-0x00000000748BE000-memory.dmp

memory/2100-3-0x0000000000920000-0x000000000093E000-memory.dmp

memory/2100-4-0x00000000741DE000-0x00000000741DF000-memory.dmp

memory/2100-5-0x00000000741D0000-0x00000000748BE000-memory.dmp

memory/2100-6-0x00000000001C0000-0x0000000000236000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp92BE.tmp

MD5 477eeabdb883dcfdf917e617edced23d
SHA1 d5049d9531d3cd198407757f2a59a4864c96f0c0
SHA256 e78a4df0110f130278b1192781905ba1ce321ddc14ccceb595591d83f36a3e10
SHA512 9dfcca5fd2f8954b15c1f452110809b67f3dde5df6a45179499bbd1e2eac1d581997497a657ff4ed5a291e7c14f00f3c71e186799d7257cd6cecf189ae7b354e

memory/2252-19-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2252-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2252-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2252-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2100-20-0x00000000741D0000-0x00000000748BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 02:23

Reported

2024-10-30 02:25

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe N/A

Enumerates physical storage devices

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\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

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\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1308 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1308 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1308 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1308 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe
PID 1308 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hmlPTospxjGJ.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hmlPTospxjGJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD438.tmp"

C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe

"C:\Users\Admin\AppData\Local\Temp\44ab353624b9e867ae31a0523437ed8e321f361d248b471c15bd2902255280f3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.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
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1308-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

memory/1308-1-0x0000000000330000-0x00000000003D8000-memory.dmp

memory/1308-2-0x0000000005290000-0x0000000005834000-memory.dmp

memory/1308-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

memory/1308-4-0x0000000004E70000-0x0000000004E7A000-memory.dmp

memory/1308-5-0x0000000074BB0000-0x0000000075360000-memory.dmp

memory/1308-6-0x0000000005070000-0x000000000510C000-memory.dmp

memory/1308-7-0x0000000006170000-0x000000000618E000-memory.dmp

memory/1308-8-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

memory/1308-9-0x0000000074BB0000-0x0000000075360000-memory.dmp

memory/1308-10-0x0000000004800000-0x0000000004876000-memory.dmp

memory/4576-15-0x0000000000860000-0x0000000000896000-memory.dmp

memory/4576-16-0x0000000074BB0000-0x0000000075360000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpD438.tmp

MD5 ab1e6b51c77c8c5930eddae7d8e3fe0e
SHA1 c7e1428299ca18cc244f68c3041bcb23e0076bc9
SHA256 4a9912bb4017c6ffa65f4909e5a1603dd7176316e1ae030aba102f9522d8a84d
SHA512 ac7b480bd11f9c0b5772a833de3a2334e67b9a6428256449a0e4f0722bfdbe91e72a14e86d030df1e7d207a6d382930eecdf3a37ffd9463a6c7c3ce3ed1c6b8c

memory/4576-17-0x0000000004CD0000-0x00000000052F8000-memory.dmp

memory/4576-19-0x0000000074BB0000-0x0000000075360000-memory.dmp

memory/1416-20-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1308-30-0x0000000074BB0000-0x0000000075360000-memory.dmp

memory/4576-29-0x00000000053E0000-0x0000000005446000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ltxrymw2.gq5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1416-35-0x00000000014B0000-0x00000000017FA000-memory.dmp

memory/4576-23-0x0000000005370000-0x00000000053D6000-memory.dmp

memory/4576-36-0x0000000005550000-0x00000000058A4000-memory.dmp

memory/4576-22-0x0000000004C60000-0x0000000004C82000-memory.dmp

memory/4576-37-0x0000000005A20000-0x0000000005A3E000-memory.dmp

memory/4576-38-0x0000000005FB0000-0x0000000005FFC000-memory.dmp

memory/4576-39-0x000000007F940000-0x000000007F950000-memory.dmp

memory/4576-41-0x0000000073680000-0x00000000736CC000-memory.dmp

memory/4576-40-0x0000000006A00000-0x0000000006A32000-memory.dmp

memory/4576-53-0x0000000005F90000-0x0000000005FAE000-memory.dmp

memory/4576-52-0x0000000002290000-0x00000000022A0000-memory.dmp

memory/4576-51-0x0000000002290000-0x00000000022A0000-memory.dmp

memory/4576-54-0x0000000006C40000-0x0000000006CE3000-memory.dmp

memory/4576-55-0x0000000007390000-0x0000000007A0A000-memory.dmp

memory/4576-56-0x0000000006D50000-0x0000000006D6A000-memory.dmp

memory/4576-57-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

memory/4576-58-0x0000000006FD0000-0x0000000007066000-memory.dmp

memory/4576-59-0x0000000006F50000-0x0000000006F61000-memory.dmp

memory/4576-60-0x0000000006F80000-0x0000000006F8E000-memory.dmp

memory/4576-61-0x0000000006F90000-0x0000000006FA4000-memory.dmp

memory/4576-62-0x0000000007090000-0x00000000070AA000-memory.dmp

memory/4576-63-0x0000000007070000-0x0000000007078000-memory.dmp

memory/4576-66-0x0000000074BB0000-0x0000000075360000-memory.dmp