Malware Analysis Report

2025-06-16 06:57

Sample ID 241104-drw26avmdj
Target Revised Offer.exe
SHA256 44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef
Tags
formbook cl21 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

44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef

Threat Level: Known bad

The file Revised Offer.exe was found to be: Known bad.

Malicious Activity Summary

formbook cl21 discovery rat spyware stealer trojan

Formbook family

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 03:15

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 03:15

Reported

2024-11-04 03:17

Platform

win7-20240903-en

Max time kernel

146s

Max time network

124s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2668 set thread context of 2864 N/A C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe C:\Windows\SysWOW64\svchost.exe
PID 2864 set thread context of 1124 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2704 set thread context of 1124 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE

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\Revised Offer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe

"C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

N/A

Files

memory/2668-11-0x0000000002A00000-0x0000000002B00000-memory.dmp

memory/2864-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2864-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2864-15-0x0000000000250000-0x0000000000264000-memory.dmp

memory/2864-13-0x0000000000750000-0x0000000000A53000-memory.dmp

memory/1124-17-0x0000000005110000-0x0000000005248000-memory.dmp

memory/2704-19-0x0000000000470000-0x0000000000478000-memory.dmp

memory/2704-18-0x0000000000470000-0x0000000000478000-memory.dmp

memory/2704-20-0x0000000000100000-0x000000000012F000-memory.dmp

memory/1124-21-0x0000000005110000-0x0000000005248000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 03:15

Reported

2024-11-04 03:18

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

145s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1124 set thread context of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe C:\Windows\SysWOW64\svchost.exe
PID 1712 set thread context of 3488 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2384 set thread context of 3488 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\Explorer.EXE

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\Revised Offer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Windows\Explorer.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\netsh.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe

"C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Revised Offer.exe"

C:\Windows\SysWOW64\netsh.exe

"C:\Windows\SysWOW64\netsh.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.othing-heyu.xyz udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 www.earch-parttimejobs.today udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.verybody-ewfx.xyz 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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 www.ingledatings46.xyz udp
US 8.8.8.8:53 www.ersonalloanoffers.today udp

Files

memory/1124-11-0x00000000010E0000-0x00000000014E0000-memory.dmp

memory/1712-12-0x00000000001D0000-0x00000000001FF000-memory.dmp

memory/1712-15-0x0000000000E00000-0x000000000114A000-memory.dmp

memory/3488-18-0x0000000003090000-0x000000000314C000-memory.dmp

memory/1712-17-0x0000000001230000-0x0000000001244000-memory.dmp

memory/1712-16-0x00000000001D0000-0x00000000001FF000-memory.dmp

memory/2384-21-0x0000000000850000-0x000000000086E000-memory.dmp

memory/2384-19-0x0000000000850000-0x000000000086E000-memory.dmp

memory/2384-22-0x0000000000F30000-0x0000000000F5F000-memory.dmp

memory/3488-23-0x0000000003090000-0x000000000314C000-memory.dmp

memory/3488-27-0x00000000089B0000-0x0000000008AAD000-memory.dmp

memory/3488-28-0x00000000089B0000-0x0000000008AAD000-memory.dmp

memory/3488-30-0x00000000089B0000-0x0000000008AAD000-memory.dmp