Malware Analysis Report

2024-09-11 19:05

Sample ID 240615-fxc8catdkm
Target F2.exe
SHA256 7ece36a08ac1adc066aa6744abfcdef371aef199198a5c912d029d58b7fbd8f9
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

7ece36a08ac1adc066aa6744abfcdef371aef199198a5c912d029d58b7fbd8f9

Threat Level: Known bad

The file F2.exe was found to be: Known bad.

Malicious Activity Summary

upx blackmoon banker trojan

Detect Blackmoon payload

Blackmoon, KrBanker

UPX packed file

Loads dropped DLL

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-15 05:14

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 05:14

Reported

2024-06-15 05:17

Platform

win7-20240611-en

Max time kernel

52s

Max time network

21s

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\F2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\F2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\F2.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\F2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1460 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\F2.exe C:\Windows\system32\Dwm.exe
PID 1460 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\F2.exe C:\Windows\system32\Dwm.exe

Processes

C:\Windows\system32\Dwm.exe

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

C:\Users\Admin\AppData\Local\Temp\F2.exe

"C:\Users\Admin\AppData\Local\Temp\F2.exe"

Network

Country Destination Domain Proto
CN 222.186.172.42:8080 tcp

Files

memory/1460-0-0x0000000000400000-0x0000000000AD4000-memory.dmp

memory/1460-1-0x0000000000400000-0x0000000000AD4000-memory.dmp

C:\Windows\Dll2.dll

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

memory/1120-8-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/1120-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/1120-10-0x0000000002320000-0x0000000002450000-memory.dmp

memory/1120-13-0x0000000002820000-0x0000000002958000-memory.dmp

memory/1460-15-0x00000000744F0000-0x000000007451B000-memory.dmp

memory/1460-14-0x0000000000400000-0x0000000000AD4000-memory.dmp

memory/1460-19-0x00000000744F0000-0x000000007451B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 05:14

Reported

2024-06-15 05:17

Platform

win10v2004-20240611-en

Max time kernel

54s

Max time network

56s

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\F2.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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Dll2.dll C:\Users\Admin\AppData\Local\Temp\F2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\F2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\F2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\F2.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\F2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3492 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\F2.exe C:\Windows\system32\dwm.exe
PID 3492 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\F2.exe C:\Windows\system32\dwm.exe

Processes

C:\Windows\system32\dwm.exe

"dwm.exe"

C:\Users\Admin\AppData\Local\Temp\F2.exe

"C:\Users\Admin\AppData\Local\Temp\F2.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3932,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=4276 /prefetch:8

Network

Country Destination Domain Proto
CN 222.186.172.42:8080 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 23.41.178.107:443 www.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 107.178.41.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3492-0-0x0000000000400000-0x0000000000AD4000-memory.dmp

memory/3492-1-0x0000000000400000-0x0000000000AD4000-memory.dmp

C:\Windows\Dll2.dll

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

memory/64-9-0x0000000000C80000-0x0000000000C81000-memory.dmp

memory/64-11-0x00000197A5410000-0x00000197A5548000-memory.dmp

memory/3492-12-0x0000000000400000-0x0000000000AD4000-memory.dmp

memory/64-14-0x00000197A5410000-0x00000197A5548000-memory.dmp