Malware Analysis Report

2025-01-18 12:38

Sample ID 240404-f5fcnsgd24
Target General Specification -INVACO PVT.bz2.rar
SHA256 d99b4d72183f5a705f1f89e116243490ad7804b4298cfa9b48088cdc3a89e41b
Tags
formbook kh11 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d99b4d72183f5a705f1f89e116243490ad7804b4298cfa9b48088cdc3a89e41b

Threat Level: Known bad

The file General Specification -INVACO PVT.bz2.rar was found to be: Known bad.

Malicious Activity Summary

formbook kh11 rat spyware stealer trojan

Formbook

Formbook payload

Blocklisted process makes network request

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-04 05:27

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

2024-04-04 05:27

Reported

2024-04-04 05:29

Platform

win7-20240221-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
N/A N/A N/A N/A
N/A N/A N/A N/A

Blocklisted process makes network request

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1972 set thread context of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2444 set thread context of 1180 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2444 set thread context of 1180 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2612 set thread context of 1180 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\Explorer.EXE

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\cmstp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1972 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1972 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1972 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1972 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1972 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2444 wrote to memory of 2612 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\cmstp.exe
PID 2612 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2612 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2612 wrote to memory of 2596 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2612 wrote to memory of 2596 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\General Specification -INVACO PVT.exe

"C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe"

C:\Windows\SysWOW64\cmstp.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.gltip2le.shop udp
HK 47.243.184.4:80 www.gltip2le.shop tcp
US 8.8.8.8:53 www.gltip2le.shop udp
HK 47.243.184.4:80 www.gltip2le.shop tcp
US 8.8.8.8:53 www.riversandcapital.com udp
US 66.29.146.95:80 www.riversandcapital.com tcp
US 8.8.8.8:53 www.foroupskirt.com udp
US 8.8.8.8:53 www.lexcomtech.com udp
US 8.8.8.8:53 www.coalswap.com udp
US 76.76.21.164:80 www.coalswap.com tcp
US 8.8.8.8:53 www.autonomoangola.com udp
US 75.2.115.196:80 www.autonomoangola.com tcp

Files

memory/1972-10-0x0000000000120000-0x0000000000124000-memory.dmp

memory/2444-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2444-12-0x00000000006F0000-0x00000000009F3000-memory.dmp

memory/1180-14-0x0000000003C20000-0x0000000003D20000-memory.dmp

memory/2444-16-0x0000000000230000-0x0000000000244000-memory.dmp

memory/2444-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1180-17-0x0000000005230000-0x000000000539D000-memory.dmp

memory/2444-19-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2444-20-0x0000000000270000-0x0000000000284000-memory.dmp

memory/1180-21-0x0000000009020000-0x0000000009169000-memory.dmp

memory/2612-22-0x0000000000670000-0x0000000000688000-memory.dmp

memory/2612-23-0x0000000000670000-0x0000000000688000-memory.dmp

memory/2612-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/2612-25-0x0000000001F00000-0x0000000002203000-memory.dmp

memory/2612-26-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/2612-28-0x0000000001D70000-0x0000000001E03000-memory.dmp

memory/1180-31-0x00000000045A0000-0x0000000004665000-memory.dmp

memory/1180-33-0x00000000045A0000-0x0000000004665000-memory.dmp

memory/1180-36-0x00000000045A0000-0x0000000004665000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 05:27

Reported

2024-04-04 05:29

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

155s

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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3004 set thread context of 2356 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 set thread context of 3556 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2252 set thread context of 3556 N/A C:\Windows\SysWOW64\cmmon32.exe C:\Windows\Explorer.EXE

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\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.exe N/A
N/A N/A C:\Windows\SysWOW64\cmmon32.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\cmmon32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.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\General Specification -INVACO PVT.exe

"C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe"

C:\Windows\SysWOW64\cmmon32.exe

"C:\Windows\SysWOW64\cmmon32.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.stripperscontest.com udp
US 8.8.8.8:53 www.jansirani.com udp
GB 154.49.138.161:80 www.jansirani.com tcp
US 8.8.8.8:53 161.138.49.154.in-addr.arpa udp
US 8.8.8.8:53 45.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 www.theluckypaddle.net udp
DE 91.195.240.123:80 www.theluckypaddle.net tcp
US 8.8.8.8:53 123.240.195.91.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.dibujosparapintar.net udp
ES 82.98.171.86:80 www.dibujosparapintar.net tcp
US 8.8.8.8:53 86.171.98.82.in-addr.arpa udp
US 8.8.8.8:53 www.black-loan3.shop udp
DE 64.190.62.22:80 www.black-loan3.shop tcp
US 8.8.8.8:53 22.62.190.64.in-addr.arpa udp
US 8.8.8.8:53 www.foroupskirt.com udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp

Files

memory/3004-10-0x00000000010A0000-0x00000000010A4000-memory.dmp

memory/2356-11-0x0000000000360000-0x000000000038F000-memory.dmp

memory/2356-14-0x0000000000F00000-0x000000000124A000-memory.dmp

memory/2356-15-0x0000000000360000-0x000000000038F000-memory.dmp

memory/2356-16-0x0000000000EA0000-0x0000000000EB4000-memory.dmp

memory/3556-17-0x00000000088C0000-0x00000000089C1000-memory.dmp

memory/2252-18-0x0000000000670000-0x000000000067C000-memory.dmp

memory/2252-19-0x0000000000670000-0x000000000067C000-memory.dmp

memory/2252-20-0x0000000000500000-0x000000000052F000-memory.dmp

memory/2252-21-0x00000000023D0000-0x000000000271A000-memory.dmp

memory/2252-22-0x0000000000500000-0x000000000052F000-memory.dmp

memory/2252-24-0x0000000002230000-0x00000000022C3000-memory.dmp

memory/3556-25-0x00000000088C0000-0x00000000089C1000-memory.dmp

memory/3556-27-0x00000000089D0000-0x0000000008B36000-memory.dmp

memory/3556-29-0x00000000089D0000-0x0000000008B36000-memory.dmp

memory/3556-32-0x00000000089D0000-0x0000000008B36000-memory.dmp