Malware Analysis Report

2024-10-23 22:14

Sample ID 240717-l4xs8ayfnc
Target MalwareBazaar.5
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 MalwareBazaar.5 was found to be: Known bad.

Malicious Activity Summary

formbook ty31 rat spyware stealer trojan

Formbook

Formbook payload

Blocklisted process makes network request

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-17 10:05

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 10:05

Reported

2024-07-17 10:08

Platform

win7-20240704-en

Max time kernel

149s

Max time network

19s

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 2388 set thread context of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 2380 set thread context of 1392 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2108 set thread context of 1392 N/A C:\Windows\SysWOW64\rundll32.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\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2388 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 2388 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 2388 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 2388 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 2388 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1392 wrote to memory of 2108 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2108 wrote to memory of 2304 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2108 wrote to memory of 2304 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2108 wrote to memory of 2304 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2108 wrote to memory of 2304 N/A C:\Windows\SysWOW64\rundll32.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:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\SysWOW64\rundll32.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/2388-10-0x00000000001D0000-0x00000000001D4000-memory.dmp

memory/2380-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2380-12-0x0000000000810000-0x0000000000B13000-memory.dmp

memory/2380-15-0x00000000001A0000-0x00000000001B4000-memory.dmp

memory/2380-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1392-16-0x0000000004840000-0x0000000004910000-memory.dmp

memory/2108-17-0x00000000004F0000-0x00000000004FE000-memory.dmp

memory/2108-18-0x00000000004F0000-0x00000000004FE000-memory.dmp

memory/2108-20-0x00000000004F0000-0x00000000004FE000-memory.dmp

memory/2108-21-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/1392-23-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1392-24-0x0000000004840000-0x0000000004910000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 10:05

Reported

2024-07-17 10:08

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

143s

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

Blocklisted process makes network request

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5056 set thread context of 996 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\SysWOW64\svchost.exe
PID 996 set thread context of 3392 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 996 set thread context of 3392 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4404 set thread context of 3392 N/A C:\Windows\SysWOW64\cscript.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\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.exe N/A
N/A N/A C:\Windows\SysWOW64\cscript.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\cscript.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:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\cscript.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 www.bluedolphinshop.com udp
US 172.67.70.39:80 www.bluedolphinshop.com tcp
US 8.8.8.8:53 39.70.67.172.in-addr.arpa udp
US 8.8.8.8:53 www.404417.online udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.xiaobanhome.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
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.soujany.com udp
RU 195.19.93.126:80 www.soujany.com tcp
US 8.8.8.8:53 126.93.19.195.in-addr.arpa udp
US 8.8.8.8:53 www.material.directory udp
US 15.197.148.33:80 www.material.directory tcp
US 8.8.8.8:53 33.148.197.15.in-addr.arpa udp

Files

memory/5056-10-0x0000000000520000-0x0000000000524000-memory.dmp

memory/996-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/996-12-0x0000000001700000-0x0000000001A4A000-memory.dmp

memory/996-15-0x0000000001BD0000-0x0000000001BE4000-memory.dmp

memory/996-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3392-16-0x00000000030C0000-0x0000000003218000-memory.dmp

memory/3392-20-0x0000000008F50000-0x0000000009083000-memory.dmp

memory/996-19-0x0000000003510000-0x0000000003524000-memory.dmp

memory/996-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4404-22-0x0000000000260000-0x0000000000287000-memory.dmp

memory/4404-21-0x0000000000260000-0x0000000000287000-memory.dmp

memory/4404-23-0x0000000000590000-0x00000000005BF000-memory.dmp

memory/3392-25-0x00000000030C0000-0x0000000003218000-memory.dmp

memory/3392-26-0x0000000008F50000-0x0000000009083000-memory.dmp

memory/3392-28-0x00000000096C0000-0x0000000009844000-memory.dmp

memory/3392-29-0x00000000096C0000-0x0000000009844000-memory.dmp

memory/3392-33-0x00000000096C0000-0x0000000009844000-memory.dmp