Malware Analysis Report

2024-10-23 22:12

Sample ID 240717-ltv7msyckg
Target Salary Increament.exe
SHA256 e9e614a16e3250dc0fdd6fd01247ab76f65d146466c5977b06ffb716d7438cae
Tags
formbook ty31 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

e9e614a16e3250dc0fdd6fd01247ab76f65d146466c5977b06ffb716d7438cae

Threat Level: Known bad

The file Salary Increament.exe was found to be: Known bad.

Malicious Activity Summary

formbook ty31 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-17 09:49

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

2024-07-17 09:49

Reported

2024-07-17 09:52

Platform

win7-20240704-en

Max time kernel

148s

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1628 set thread context of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 2456 set thread context of 1184 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2456 set thread context of 1184 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2424 set thread context of 1184 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 1628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 1184 wrote to memory of 2424 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmstp.exe
PID 2424 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\SysWOW64\cmd.exe
PID 2424 wrote to memory of 2916 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\Salary Increament.exe

"C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe"

C:\Windows\SysWOW64\cmstp.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/1628-10-0x00000000006D0000-0x00000000006D4000-memory.dmp

memory/2456-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2456-13-0x0000000000A40000-0x0000000000D43000-memory.dmp

memory/2456-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2456-14-0x0000000000180000-0x0000000000194000-memory.dmp

memory/1184-16-0x0000000005080000-0x0000000005180000-memory.dmp

memory/1184-17-0x0000000004F00000-0x0000000004FF4000-memory.dmp

memory/1184-22-0x0000000006650000-0x0000000006732000-memory.dmp

memory/2456-21-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/2456-20-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1184-19-0x0000000004F00000-0x0000000004FF4000-memory.dmp

memory/2424-23-0x0000000000840000-0x0000000000858000-memory.dmp

memory/2424-25-0x0000000000840000-0x0000000000858000-memory.dmp

memory/2424-26-0x0000000000090000-0x00000000000BF000-memory.dmp

memory/1184-29-0x0000000006650000-0x0000000006732000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 09:49

Reported

2024-07-17 09:52

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

144s

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 2688 set thread context of 4840 N/A C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe C:\Windows\SysWOW64\svchost.exe
PID 4840 set thread context of 3408 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2056 set thread context of 3408 N/A C:\Windows\SysWOW64\systray.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\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A

Suspicious use of AdjustPrivilegeToken

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

"C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Salary Increament.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2688 -ip 2688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 628

C:\Windows\SysWOW64\systray.exe

"C:\Windows\SysWOW64\systray.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
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
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 www.abstractdiffusion.com udp
US 8.8.8.8:53 www.iraq-visions.com udp
SG 191.101.228.95:80 www.iraq-visions.com tcp
US 8.8.8.8:53 95.228.101.191.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 www.ykdbyjk.xyz udp
US 8.8.8.8:53 11.227.111.52.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 www.xiaobanhome.com udp
CN 101.227.51.255:80 www.xiaobanhome.com tcp
US 8.8.8.8:53 www.xiaobanhome.com udp
CN 101.227.51.255:80 www.xiaobanhome.com tcp
US 8.8.8.8:53 www.pixelcloudtec.com udp
US 68.65.122.150:80 www.pixelcloudtec.com tcp
US 8.8.8.8:53 150.122.65.68.in-addr.arpa udp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/2688-10-0x0000000000CA0000-0x0000000000CA4000-memory.dmp

memory/4840-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4840-12-0x0000000001200000-0x000000000154A000-memory.dmp

memory/4840-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4840-15-0x0000000000B90000-0x0000000000BA4000-memory.dmp

memory/3408-16-0x0000000008380000-0x00000000084AB000-memory.dmp

memory/2056-18-0x0000000000D20000-0x0000000000D26000-memory.dmp

memory/2056-17-0x0000000000D20000-0x0000000000D26000-memory.dmp

memory/2056-19-0x00000000006F0000-0x000000000071F000-memory.dmp

memory/3408-21-0x0000000008380000-0x00000000084AB000-memory.dmp

memory/3408-24-0x00000000026C0000-0x0000000002762000-memory.dmp

memory/3408-25-0x00000000026C0000-0x0000000002762000-memory.dmp

memory/3408-28-0x00000000026C0000-0x0000000002762000-memory.dmp