Malware Analysis Report

2024-09-11 19:02

Sample ID 240615-e9z27sshml
Target 3116587483.exe
SHA256 6730feb98ed174bb29d7794087978aada0736b1abdec525e57672a7ba5e06f8b
Tags
upx blackmoon banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

6730feb98ed174bb29d7794087978aada0736b1abdec525e57672a7ba5e06f8b

Threat Level: Known bad

The file 3116587483.exe was found to be: Known bad.

Malicious Activity Summary

upx blackmoon banker trojan

Detect Blackmoon payload

Blackmoon, KrBanker

Loads dropped DLL

UPX packed file

Drops file in Windows directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-15 04:39

Signatures

UPX packed file

upx
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

2024-06-15 04:39

Reported

2024-06-15 04:41

Platform

win7-20240508-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Windows\system32\Dwm.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

UPX packed file

upx
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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Dll2.dll C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe C:\Windows\system32\Dwm.exe
PID 1300 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe C:\Windows\system32\Dwm.exe

Processes

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Users\Admin\AppData\Local\Temp\3116587483.exe

"C:\Users\Admin\AppData\Local\Temp\3116587483.exe"

Network

Country Destination Domain Proto
CN 222.186.172.42:8080 tcp

Files

memory/1300-0-0x0000000000400000-0x0000000000629000-memory.dmp

memory/1300-1-0x0000000000400000-0x0000000000629000-memory.dmp

C:\Windows\Dll2.dll

MD5 6206e7bd72ee6c7df5e2a13b19a05303
SHA1 88260d9da5e75ae2aa7d4a671de0e1807ebf006d
SHA256 0f63d0cdd05e5308a25e9414136bbc2d1898ea3cfda9388d5af1796b47d40106
SHA512 85d93562567eeea776f9aeb618ecd5ffcf936d04fc2303aea7c1d36cb446231fb56ff529cf7449e639fe8966d51571607875ac5ae63757e00aded368da70998b

memory/1168-8-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/1168-9-0x00000000022E0000-0x0000000002410000-memory.dmp

memory/1168-11-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/1168-13-0x0000000002770000-0x00000000028A8000-memory.dmp

memory/1300-15-0x00000000751F0000-0x000000007521B000-memory.dmp

memory/1300-14-0x0000000000400000-0x0000000000629000-memory.dmp

memory/1300-19-0x00000000751F0000-0x000000007521B000-memory.dmp

memory/1300-33-0x00000000751F0000-0x000000007521B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 04:39

Reported

2024-06-15 04:41

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

51s

Command Line

"dwm.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Dll2.dll C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\dwm.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\dwm.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1328 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe C:\Windows\system32\dwm.exe
PID 1328 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\3116587483.exe C:\Windows\system32\dwm.exe

Processes

C:\Windows\system32\dwm.exe

"dwm.exe"

C:\Users\Admin\AppData\Local\Temp\3116587483.exe

"C:\Users\Admin\AppData\Local\Temp\3116587483.exe"

Network

Country Destination Domain Proto
CN 222.186.172.42:8080 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1328-0-0x0000000000400000-0x0000000000629000-memory.dmp

memory/1328-1-0x0000000000400000-0x0000000000629000-memory.dmp

C:\Windows\Dll2.dll

MD5 6206e7bd72ee6c7df5e2a13b19a05303
SHA1 88260d9da5e75ae2aa7d4a671de0e1807ebf006d
SHA256 0f63d0cdd05e5308a25e9414136bbc2d1898ea3cfda9388d5af1796b47d40106
SHA512 85d93562567eeea776f9aeb618ecd5ffcf936d04fc2303aea7c1d36cb446231fb56ff529cf7449e639fe8966d51571607875ac5ae63757e00aded368da70998b

memory/1328-2-0x0000000000400000-0x0000000000629000-memory.dmp

memory/316-9-0x0000000000880000-0x0000000000881000-memory.dmp

memory/316-11-0x00000146D9160000-0x00000146D9298000-memory.dmp

memory/1328-10-0x0000000000400000-0x0000000000629000-memory.dmp

memory/1328-13-0x0000000000400000-0x0000000000629000-memory.dmp

memory/316-15-0x00000146D9160000-0x00000146D9298000-memory.dmp