Malware Analysis Report

2024-10-23 22:14

Sample ID 240718-httr2a1dmg
Target MalwareBazaar.2
SHA256 e2fb3e62884d3e10aa6340adc488e37ffb2b15cbfe4842ff4bc7c1c83b908305
Tags
formbook hy08 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

e2fb3e62884d3e10aa6340adc488e37ffb2b15cbfe4842ff4bc7c1c83b908305

Threat Level: Known bad

The file MalwareBazaar.2 was found to be: Known bad.

Malicious Activity Summary

formbook hy08 rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Modifies registry class

Suspicious use of UnmapMainImage

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-18 07:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 07:02

Reported

2024-07-18 07:04

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

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 1748 set thread context of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2172 set thread context of 1200 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 2772 set thread context of 1200 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\Explorer.EXE

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1748 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1200 wrote to memory of 2772 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1200 wrote to memory of 2772 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1200 wrote to memory of 2772 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 1200 wrote to memory of 2772 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\colorcpl.exe
PID 2772 wrote to memory of 2820 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2772 wrote to memory of 2820 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2772 wrote to memory of 2820 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe
PID 2772 wrote to memory of 2820 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\colorcpl.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/1748-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

memory/1748-1-0x0000000000AF0000-0x0000000000B9E000-memory.dmp

memory/1748-2-0x0000000074BA0000-0x000000007528E000-memory.dmp

memory/1748-3-0x00000000004D0000-0x00000000004EA000-memory.dmp

memory/1748-4-0x0000000000560000-0x000000000056E000-memory.dmp

memory/1748-5-0x0000000004CA0000-0x0000000004D16000-memory.dmp

memory/2172-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2172-10-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2172-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2172-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1748-11-0x0000000074BA0000-0x000000007528E000-memory.dmp

memory/2172-12-0x0000000000BA0000-0x0000000000EA3000-memory.dmp

memory/2172-15-0x0000000000140000-0x0000000000155000-memory.dmp

memory/2172-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1200-16-0x0000000005120000-0x000000000522F000-memory.dmp

memory/2772-17-0x00000000001E0000-0x00000000001F8000-memory.dmp

memory/2772-18-0x00000000001E0000-0x00000000001F8000-memory.dmp

memory/2772-19-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1200-21-0x0000000000110000-0x0000000000210000-memory.dmp

memory/1200-22-0x0000000005120000-0x000000000522F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 07:02

Reported

2024-07-18 07:04

Platform

win10v2004-20240709-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 2116 set thread context of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 400 set thread context of 3392 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 832 set thread context of 3392 N/A C:\Windows\SysWOW64\raserver.exe C:\Windows\Explorer.EXE

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\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
Key created \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Windows\Explorer.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2116 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 3392 wrote to memory of 832 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\raserver.exe
PID 3392 wrote to memory of 832 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\raserver.exe
PID 3392 wrote to memory of 832 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\raserver.exe
PID 832 wrote to memory of 2896 N/A C:\Windows\SysWOW64\raserver.exe C:\Windows\SysWOW64\cmd.exe
PID 832 wrote to memory of 2896 N/A C:\Windows\SysWOW64\raserver.exe C:\Windows\SysWOW64\cmd.exe
PID 832 wrote to memory of 2896 N/A C:\Windows\SysWOW64\raserver.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"

C:\Windows\SysWOW64\raserver.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 216.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 www.miocloud.ovh udp
FR 213.186.33.5:80 www.miocloud.ovh tcp
US 8.8.8.8:53 5.33.186.213.in-addr.arpa udp
US 8.8.8.8:53 www.lineagegenetics.com udp
US 199.59.243.226:80 www.lineagegenetics.com tcp
US 8.8.8.8:53 226.243.59.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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.taipan77pandan.com udp
US 8.8.8.8:53 www.rtpsid88.life udp
ID 154.41.240.116:80 www.rtpsid88.life tcp
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 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 www.rtpsid88.life udp
ID 154.41.240.116:80 www.rtpsid88.life tcp
US 8.8.8.8:53 www.bedazzledbabe.com udp
US 3.33.130.190:80 www.bedazzledbabe.com tcp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2116-0-0x000000007473E000-0x000000007473F000-memory.dmp

memory/2116-1-0x0000000000650000-0x00000000006FE000-memory.dmp

memory/2116-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

memory/2116-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

memory/2116-4-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

memory/2116-6-0x0000000005B50000-0x0000000005EA4000-memory.dmp

memory/2116-5-0x0000000074730000-0x0000000074EE0000-memory.dmp

memory/2116-7-0x0000000005570000-0x0000000005582000-memory.dmp

memory/2116-8-0x0000000006BE0000-0x0000000006C02000-memory.dmp

memory/2116-9-0x0000000006D60000-0x0000000006D7A000-memory.dmp

memory/2116-10-0x00000000065B0000-0x00000000065BE000-memory.dmp

memory/2116-11-0x00000000065D0000-0x0000000006646000-memory.dmp

memory/2116-12-0x0000000006890000-0x000000000692C000-memory.dmp

memory/400-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2116-15-0x0000000074730000-0x0000000074EE0000-memory.dmp

memory/400-16-0x00000000019C0000-0x0000000001D0A000-memory.dmp

memory/400-19-0x00000000018E0000-0x00000000018F5000-memory.dmp

memory/400-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3392-20-0x00000000082B0000-0x00000000083EA000-memory.dmp

memory/832-21-0x0000000000D00000-0x0000000000D1F000-memory.dmp

memory/832-23-0x0000000000D00000-0x0000000000D1F000-memory.dmp

memory/832-24-0x00000000004F0000-0x000000000051F000-memory.dmp

memory/3392-26-0x00000000082B0000-0x00000000083EA000-memory.dmp

memory/3392-28-0x00000000083F0000-0x00000000084FB000-memory.dmp

memory/3392-29-0x00000000083F0000-0x00000000084FB000-memory.dmp

memory/3392-32-0x00000000083F0000-0x00000000084FB000-memory.dmp