Malware Analysis Report

2025-01-18 12:28

Sample ID 240830-hh2y9s1bqd
Target COM404 PDF.exe
SHA256 76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd
Tags
formbook he2a 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

76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd

Threat Level: Known bad

The file COM404 PDF.exe was found to be: Known bad.

Malicious Activity Summary

formbook he2a discovery rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 06:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 06:45

Reported

2024-08-30 06:47

Platform

win7-20240704-en

Max time kernel

149s

Max time network

119s

Command Line

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

Deletes itself

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2488 set thread context of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2308 set thread context of 1196 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Windows\Explorer.EXE
PID 2424 set thread context of 1196 N/A C:\Windows\SysWOW64\cmstp.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\COM404 PDF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmstp.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:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\cmstp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 2488 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1196 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 2424 wrote to memory of 2820 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2820 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2820 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2820 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe

"C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe

"C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\cmstp.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

Network

N/A

Files

memory/2488-0-0x000000007452E000-0x000000007452F000-memory.dmp

memory/2488-1-0x0000000000940000-0x00000000009F8000-memory.dmp

memory/2488-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/2488-3-0x0000000000810000-0x0000000000828000-memory.dmp

memory/2488-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/2488-5-0x00000000052D0000-0x0000000005346000-memory.dmp

memory/2308-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2308-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2308-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2308-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2488-13-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/2308-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2308-16-0x0000000000290000-0x00000000002A4000-memory.dmp

memory/2308-15-0x0000000000A00000-0x0000000000D03000-memory.dmp

memory/1196-18-0x0000000006560000-0x0000000006700000-memory.dmp

memory/2424-19-0x0000000000B70000-0x0000000000B88000-memory.dmp

memory/2424-21-0x0000000000B70000-0x0000000000B88000-memory.dmp

memory/2424-22-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/1196-23-0x0000000006560000-0x0000000006700000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 06:45

Reported

2024-08-30 06:47

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 436 set thread context of 984 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe
PID 984 set thread context of 3444 N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe C:\Windows\Explorer.EXE
PID 1356 set thread context of 3444 N/A C:\Windows\SysWOW64\wscript.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\COM404 PDF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wscript.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wscript.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\COM404 PDF.exe

"C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe

"C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

C:\Windows\SysWOW64\wscript.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\COM404 PDF.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 203.161.60.191:80 www.notbokin.online tcp
US 8.8.8.8:53 191.60.161.203.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 www.searchgpt.world udp
DE 3.64.163.50:80 www.searchgpt.world tcp
US 8.8.8.8:53 50.163.64.3.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.bankditalia-company.online udp
US 198.54.116.16:80 www.bankditalia-company.online tcp
US 8.8.8.8:53 16.116.54.198.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 www.quarterdeck.cfd udp
US 8.8.8.8:53 www.intap.shop udp
US 13.248.169.48:80 www.intap.shop tcp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp

Files

memory/436-0-0x000000007522E000-0x000000007522F000-memory.dmp

memory/436-1-0x0000000000740000-0x00000000007F8000-memory.dmp

memory/436-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

memory/436-3-0x00000000051D0000-0x0000000005262000-memory.dmp

memory/436-5-0x0000000075220000-0x00000000759D0000-memory.dmp

memory/436-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

memory/436-6-0x0000000005590000-0x00000000055A8000-memory.dmp

memory/436-7-0x000000007522E000-0x000000007522F000-memory.dmp

memory/436-8-0x0000000075220000-0x00000000759D0000-memory.dmp

memory/436-9-0x0000000006400000-0x0000000006476000-memory.dmp

memory/436-10-0x00000000066C0000-0x000000000675C000-memory.dmp

memory/984-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/436-13-0x0000000075220000-0x00000000759D0000-memory.dmp

memory/984-14-0x00000000010E0000-0x000000000142A000-memory.dmp

memory/984-17-0x0000000001580000-0x0000000001594000-memory.dmp

memory/984-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3444-18-0x0000000009060000-0x000000000918E000-memory.dmp

memory/1356-19-0x0000000000B80000-0x0000000000BA7000-memory.dmp

memory/1356-20-0x0000000000B80000-0x0000000000BA7000-memory.dmp

memory/1356-21-0x0000000000590000-0x00000000005BF000-memory.dmp

memory/3444-22-0x0000000009060000-0x000000000918E000-memory.dmp

memory/3444-26-0x00000000094D0000-0x0000000009643000-memory.dmp

memory/3444-27-0x00000000094D0000-0x0000000009643000-memory.dmp

memory/3444-29-0x00000000094D0000-0x0000000009643000-memory.dmp