Malware Analysis Report

2024-10-19 09:26

Sample ID 240711-yq9l3stgpc
Target MalwareBazaar.0
SHA256 9022ec12d1c63779111d34993afd7aa58f7a7ed7087271c52f2300dee80c7f89
Tags
formbook dy13 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9022ec12d1c63779111d34993afd7aa58f7a7ed7087271c52f2300dee80c7f89

Threat Level: Known bad

The file MalwareBazaar.0 was found to be: Known bad.

Malicious Activity Summary

formbook dy13 rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-11 20:00

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 20:00

Reported

2024-07-11 20:03

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

137s

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 1028 set thread context of 2716 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2716 set thread context of 3520 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 528 set thread context of 3520 N/A C:\Windows\SysWOW64\WWAHost.exe C:\Windows\Explorer.EXE

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

"C:\Windows\SysWOW64\WWAHost.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.craftwhirl.com udp
US 172.67.207.104:80 www.craftwhirl.com tcp
US 8.8.8.8:53 104.207.67.172.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 www.txglobedev.com udp
US 104.21.30.94:80 www.txglobedev.com tcp
US 8.8.8.8:53 94.30.21.104.in-addr.arpa udp
US 8.8.8.8:53 www.d0ge6or54x07cfn.xyz udp
US 8.8.8.8:53 88.210.23.2.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.hoshi.social udp
US 8.8.8.8:53 www.bum-arch.com udp
US 3.215.100.79:80 www.bum-arch.com tcp
US 8.8.8.8:53 79.100.215.3.in-addr.arpa udp

Files

memory/1028-0-0x000000007471E000-0x000000007471F000-memory.dmp

memory/1028-1-0x00000000004D0000-0x0000000000594000-memory.dmp

memory/1028-2-0x0000000005380000-0x0000000005924000-memory.dmp

memory/1028-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

memory/1028-4-0x0000000005010000-0x000000000501A000-memory.dmp

memory/1028-5-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/1028-6-0x00000000050E0000-0x00000000050F2000-memory.dmp

memory/1028-7-0x0000000006140000-0x0000000006148000-memory.dmp

memory/1028-8-0x0000000006150000-0x000000000615E000-memory.dmp

memory/1028-9-0x0000000006170000-0x00000000061E6000-memory.dmp

memory/1028-10-0x000000000A1D0000-0x000000000A26C000-memory.dmp

memory/2716-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1028-13-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/2716-14-0x0000000001030000-0x000000000137A000-memory.dmp

memory/2716-17-0x0000000000EF0000-0x0000000000F05000-memory.dmp

memory/2716-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3520-18-0x0000000007CE0000-0x0000000007E86000-memory.dmp

memory/528-19-0x00000000005A0000-0x000000000067C000-memory.dmp

memory/528-21-0x00000000005A0000-0x000000000067C000-memory.dmp

memory/528-22-0x00000000004F0000-0x000000000051F000-memory.dmp

memory/3520-24-0x0000000007CE0000-0x0000000007E86000-memory.dmp

memory/3520-27-0x0000000007E90000-0x0000000007F5C000-memory.dmp

memory/3520-28-0x0000000007E90000-0x0000000007F5C000-memory.dmp

memory/3520-31-0x0000000007E90000-0x0000000007F5C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 20:00

Reported

2024-07-11 20:03

Platform

win7-20240704-en

Max time kernel

148s

Max time network

120s

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 2368 set thread context of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2512 set thread context of 1220 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 2744 set thread context of 1220 N/A C:\Windows\SysWOW64\help.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\help.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2368 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1220 wrote to memory of 2744 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1220 wrote to memory of 2744 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1220 wrote to memory of 2744 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 1220 wrote to memory of 2744 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\help.exe
PID 2744 wrote to memory of 2500 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2744 wrote to memory of 2500 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2744 wrote to memory of 2500 N/A C:\Windows\SysWOW64\help.exe C:\Windows\SysWOW64\cmd.exe
PID 2744 wrote to memory of 2500 N/A C:\Windows\SysWOW64\help.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\help.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/2368-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/2368-1-0x0000000001190000-0x0000000001254000-memory.dmp

memory/2368-2-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/2368-3-0x0000000000490000-0x00000000004A2000-memory.dmp

memory/2368-5-0x0000000000520000-0x000000000052E000-memory.dmp

memory/2368-4-0x0000000000510000-0x0000000000518000-memory.dmp

memory/2368-6-0x0000000001040000-0x00000000010B6000-memory.dmp

memory/2512-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2512-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2512-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2512-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2368-12-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/2512-13-0x0000000000850000-0x0000000000B53000-memory.dmp

memory/2512-17-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2512-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1220-15-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1220-18-0x0000000003C70000-0x0000000003D64000-memory.dmp

memory/2744-20-0x0000000000580000-0x0000000000586000-memory.dmp

memory/2744-19-0x0000000000580000-0x0000000000586000-memory.dmp

memory/2744-21-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1220-24-0x0000000003C70000-0x0000000003D64000-memory.dmp