Malware Analysis Report

2024-10-19 09:26

Sample ID 240712-jzqs1avfkk
Target MalwareBazaar.4
SHA256 0b2881dffc8cd0c36764d955f9478964c95822672da0f5ba29a5af5c16059b16
Tags
formbook mc10 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0b2881dffc8cd0c36764d955f9478964c95822672da0f5ba29a5af5c16059b16

Threat Level: Known bad

The file MalwareBazaar.4 was found to be: Known bad.

Malicious Activity Summary

formbook mc10 rat spyware stealer trojan

Formbook

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Gathers network information

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 08:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 08:06

Reported

2024-07-12 08:09

Platform

win7-20240705-en

Max time kernel

147s

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

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 1596 set thread context of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1760 set thread context of 1376 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 1532 set thread context of 1376 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\Explorer.EXE

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NETSTAT.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\NETSTAT.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1596 wrote to memory of 1760 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1376 wrote to memory of 1532 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NETSTAT.EXE
PID 1376 wrote to memory of 1532 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NETSTAT.EXE
PID 1376 wrote to memory of 1532 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NETSTAT.EXE
PID 1376 wrote to memory of 1532 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NETSTAT.EXE
PID 1532 wrote to memory of 1676 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\SysWOW64\cmd.exe
PID 1532 wrote to memory of 1676 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\SysWOW64\cmd.exe
PID 1532 wrote to memory of 1676 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\SysWOW64\cmd.exe
PID 1532 wrote to memory of 1676 N/A C:\Windows\SysWOW64\NETSTAT.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\NETSTAT.EXE

"C:\Windows\SysWOW64\NETSTAT.EXE"

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/1596-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

memory/1596-1-0x0000000000EB0000-0x0000000000F60000-memory.dmp

memory/1596-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

memory/1596-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

memory/1596-4-0x0000000000440000-0x0000000000448000-memory.dmp

memory/1596-5-0x0000000000490000-0x000000000049E000-memory.dmp

memory/1596-6-0x0000000005300000-0x0000000005376000-memory.dmp

memory/1760-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1760-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1760-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1596-13-0x00000000748A0000-0x0000000074F8E000-memory.dmp

memory/1760-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1760-14-0x0000000000840000-0x0000000000B43000-memory.dmp

memory/1760-17-0x0000000000220000-0x0000000000234000-memory.dmp

memory/1760-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1376-18-0x0000000006DB0000-0x0000000006F28000-memory.dmp

memory/1532-20-0x00000000008A0000-0x00000000008A9000-memory.dmp

memory/1532-19-0x00000000008A0000-0x00000000008A9000-memory.dmp

memory/1532-21-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1376-24-0x0000000006DB0000-0x0000000006F28000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 08:06

Reported

2024-07-12 08:09

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

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 1300 set thread context of 1812 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1812 set thread context of 3512 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Windows\Explorer.EXE
PID 2036 set thread context of 3512 N/A C:\Windows\SysWOW64\colorcpl.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\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.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\colorcpl.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\colorcpl.exe

"C:\Windows\SysWOW64\colorcpl.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 2.159.190.20.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.theofficescowork.com udp
US 34.149.87.45:80 www.theofficescowork.com tcp
US 8.8.8.8:53 45.87.149.34.in-addr.arpa udp
US 8.8.8.8:53 www.english4u.online udp
US 70.32.1.32:80 www.english4u.online tcp
US 8.8.8.8:53 32.1.32.70.in-addr.arpa udp
US 8.8.8.8:53 www.767jogo.com udp
TW 210.242.167.101:80 www.767jogo.com tcp
US 8.8.8.8:53 101.167.242.210.in-addr.arpa udp
US 8.8.8.8:53 www.at89v2.com udp
US 103.224.212.213:80 www.at89v2.com tcp
US 8.8.8.8:53 www.at89v2.com udp
US 103.224.212.213:80 www.at89v2.com tcp
US 8.8.8.8:53 www.jack88.lat udp
US 162.0.229.87:80 www.jack88.lat tcp
US 8.8.8.8:53 www.jack88.lat udp
US 162.0.229.87:80 www.jack88.lat tcp
US 8.8.8.8:53 www.dessertt.com udp
US 3.140.13.188:80 www.dessertt.com tcp
US 8.8.8.8:53 188.13.140.3.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/1300-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

memory/1300-1-0x0000000000250000-0x0000000000300000-memory.dmp

memory/1300-2-0x0000000005340000-0x00000000058E4000-memory.dmp

memory/1300-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

memory/1300-4-0x00000000746A0000-0x0000000074E50000-memory.dmp

memory/1300-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

memory/1300-6-0x0000000005170000-0x0000000005182000-memory.dmp

memory/1300-7-0x0000000006000000-0x0000000006008000-memory.dmp

memory/1300-8-0x0000000006010000-0x000000000601E000-memory.dmp

memory/1300-9-0x0000000006030000-0x00000000060A6000-memory.dmp

memory/1300-10-0x0000000008B70000-0x0000000008C0C000-memory.dmp

memory/1812-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1300-13-0x00000000746A0000-0x0000000074E50000-memory.dmp

memory/1812-14-0x00000000014C0000-0x000000000180A000-memory.dmp

memory/1812-17-0x0000000001810000-0x0000000001824000-memory.dmp

memory/1812-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3512-18-0x0000000002DF0000-0x0000000002ED1000-memory.dmp

memory/2036-19-0x0000000000A20000-0x0000000000A39000-memory.dmp

memory/2036-20-0x0000000000A20000-0x0000000000A39000-memory.dmp

memory/2036-21-0x0000000000800000-0x000000000082F000-memory.dmp

memory/3512-23-0x0000000002DF0000-0x0000000002ED1000-memory.dmp

memory/3512-25-0x0000000008310000-0x0000000008403000-memory.dmp

memory/3512-26-0x0000000008310000-0x0000000008403000-memory.dmp

memory/3512-29-0x0000000008310000-0x0000000008403000-memory.dmp