Malware Analysis Report

2025-01-18 12:38

Sample ID 240404-f2kszsgc56
Target General Specification -INVACO PVT.bz2
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 was found to be: Known bad.

Malicious Activity Summary

formbook kh11 rat spyware stealer trojan

Formbook

Formbook payload

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-04 05:22

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 05:22

Reported

2024-04-04 05:24

Platform

win7-20240221-en

Max time kernel

146s

Max time network

134s

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 2148 set thread context of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2228 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2392 set thread context of 1208 N/A C:\Windows\SysWOW64\cmmon32.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\cmmon32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2148 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2148 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2148 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2148 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 2148 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1208 wrote to memory of 2392 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmmon32.exe
PID 1208 wrote to memory of 2392 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmmon32.exe
PID 1208 wrote to memory of 2392 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmmon32.exe
PID 1208 wrote to memory of 2392 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmmon32.exe
PID 2392 wrote to memory of 3016 N/A C:\Windows\SysWOW64\cmmon32.exe C:\Windows\SysWOW64\cmd.exe
PID 2392 wrote to memory of 3016 N/A C:\Windows\SysWOW64\cmmon32.exe C:\Windows\SysWOW64\cmd.exe
PID 2392 wrote to memory of 3016 N/A C:\Windows\SysWOW64\cmmon32.exe C:\Windows\SysWOW64\cmd.exe
PID 2392 wrote to memory of 3016 N/A C:\Windows\SysWOW64\cmmon32.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\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 www.bestecankurban.com udp
US 8.8.8.8:53 www.186489.support udp
US 3.33.130.190:80 www.186489.support tcp
US 8.8.8.8:53 www.dentalemergencybakersfield.com udp
US 66.235.200.22:80 www.dentalemergencybakersfield.com tcp
US 8.8.8.8:53 www.rutgersorthopedics.com udp
US 15.197.142.173:80 www.rutgersorthopedics.com tcp

Files

memory/2148-10-0x0000000000160000-0x0000000000164000-memory.dmp

memory/2228-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2228-12-0x0000000000730000-0x0000000000A33000-memory.dmp

memory/2228-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2228-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/1208-15-0x0000000004CF0000-0x0000000004DF0000-memory.dmp

memory/1208-17-0x0000000004790000-0x000000000485D000-memory.dmp

memory/2392-18-0x0000000000410000-0x000000000041D000-memory.dmp

memory/2392-19-0x0000000000410000-0x000000000041D000-memory.dmp

memory/2392-20-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/2392-21-0x0000000002000000-0x0000000002303000-memory.dmp

memory/2392-22-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/2392-24-0x0000000000420000-0x00000000004B3000-memory.dmp

memory/1208-26-0x0000000004790000-0x000000000485D000-memory.dmp

memory/1208-30-0x0000000006160000-0x0000000006242000-memory.dmp

memory/1208-31-0x0000000006160000-0x0000000006242000-memory.dmp

memory/1208-34-0x0000000006160000-0x0000000006242000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 05:22

Reported

2024-04-04 05:25

Platform

win10v2004-20240319-en

Max time kernel

150s

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 1804 set thread context of 1168 N/A C:\Users\Admin\AppData\Local\Temp\General Specification -INVACO PVT.exe C:\Windows\SysWOW64\svchost.exe
PID 1168 set thread context of 3440 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1220 set thread context of 3440 N/A C:\Windows\SysWOW64\control.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\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.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\control.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\control.exe

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1308 --field-trial-handle=2252,i,11231798169170618717,17890004712654885282,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 14.34.115.104.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
GB 13.87.96.169:443 tcp
IE 94.245.104.56:443 tcp
GB 172.165.69.228:443 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
IE 94.245.104.56:443 tcp
NL 172.217.23.202:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 225.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.899173.com udp
TW 43.246.146.120:80 www.899173.com tcp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 120.146.246.43.in-addr.arpa udp
US 8.8.8.8:53 www.gltip2le.shop udp
HK 47.243.184.4:80 www.gltip2le.shop tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
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.autonomoangola.com udp
US 75.2.115.196:80 www.autonomoangola.com tcp
US 8.8.8.8:53 196.115.2.75.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.guard-dd.online udp
DE 64.190.62.22:80 www.guard-dd.online tcp
US 8.8.8.8:53 22.62.190.64.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 www.drhandgrip.com udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp

Files

memory/1804-10-0x0000000001230000-0x0000000001234000-memory.dmp

memory/1168-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1168-12-0x0000000001B00000-0x0000000001E4A000-memory.dmp

memory/1168-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1168-15-0x0000000001F70000-0x0000000001F84000-memory.dmp

memory/3440-16-0x0000000003350000-0x000000000340E000-memory.dmp

memory/1220-17-0x0000000000310000-0x0000000000337000-memory.dmp

memory/1220-18-0x0000000000310000-0x0000000000337000-memory.dmp

memory/1220-19-0x0000000000870000-0x000000000089F000-memory.dmp

memory/1220-20-0x00000000027A0000-0x0000000002AEA000-memory.dmp

memory/1220-21-0x0000000000870000-0x000000000089F000-memory.dmp

memory/1220-23-0x00000000025D0000-0x0000000002663000-memory.dmp

memory/3440-24-0x0000000003350000-0x000000000340E000-memory.dmp

memory/3440-26-0x0000000008820000-0x00000000088B9000-memory.dmp

memory/3440-28-0x0000000008820000-0x00000000088B9000-memory.dmp

memory/3440-31-0x0000000008820000-0x00000000088B9000-memory.dmp