Malware Analysis Report

2025-08-06 01:47

Sample ID 241031-cry13swkfv
Target 2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
SHA256 2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb
Tags
formbook cd36 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb

Threat Level: Known bad

The file 2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe was found to be: Known bad.

Malicious Activity Summary

formbook cd36 discovery execution rat spyware stealer trojan

Formbook

Formbook family

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:19

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:19

Reported

2024-10-31 02:23

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.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\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2084 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2084 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2084 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2084-0-0x000000007502E000-0x000000007502F000-memory.dmp

memory/2084-1-0x0000000000DC0000-0x0000000000E66000-memory.dmp

memory/2084-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

memory/2084-3-0x0000000005830000-0x00000000058C2000-memory.dmp

memory/2084-4-0x00000000058F0000-0x00000000058FA000-memory.dmp

memory/2084-5-0x0000000075020000-0x00000000757D0000-memory.dmp

memory/2084-6-0x0000000005B90000-0x0000000005C2C000-memory.dmp

memory/2084-7-0x0000000005B10000-0x0000000005B2E000-memory.dmp

memory/2084-8-0x000000007502E000-0x000000007502F000-memory.dmp

memory/2084-9-0x0000000075020000-0x00000000757D0000-memory.dmp

memory/2084-10-0x0000000003240000-0x00000000032B6000-memory.dmp

memory/4356-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2084-13-0x0000000075020000-0x00000000757D0000-memory.dmp

memory/4356-14-0x0000000001150000-0x000000000149A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 02:19

Reported

2024-10-31 02:23

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.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
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\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.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 2096 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
PID 2096 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"

Network

N/A

Files

memory/2096-0-0x000000007477E000-0x000000007477F000-memory.dmp

memory/2096-1-0x0000000000DA0000-0x0000000000E46000-memory.dmp

memory/2096-2-0x0000000074770000-0x0000000074E5E000-memory.dmp

memory/2096-3-0x0000000000C70000-0x0000000000C8E000-memory.dmp

memory/2096-4-0x000000007477E000-0x000000007477F000-memory.dmp

memory/2096-5-0x0000000074770000-0x0000000074E5E000-memory.dmp

memory/2096-6-0x00000000008E0000-0x0000000000956000-memory.dmp

memory/2704-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2704-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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

memory/2704-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2096-14-0x0000000074770000-0x0000000074E5E000-memory.dmp

memory/2704-15-0x0000000000830000-0x0000000000B33000-memory.dmp

memory/2704-18-0x0000000000830000-0x0000000000B33000-memory.dmp