5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 05:27

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General

Target

5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
Size

33KB
MD5

910f7ec7d76823795ce34cc60e34fb30
SHA1

eccfa37437bc8eb5a7f92fde068acdd8ebf1f76a
SHA256

5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8
SHA512

69b46c64384f732fdea2179f7fcae29bde549f77eab7feb0de374d7e99b1520c289993e26e070e05599fe0acaec24bf16b4d512f5b23b88d7a462be0c9c7cc0d
SSDEEP

384:MIw07lRnDvTwFVmoDxRvYpXSCkChhE+1xudn5TiAt9BRgX3FGUDo1iXpE:Mp2FrwTmoTvjC0+ydn5GAX3+gUDogZE

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	viewpdf_updater.exe

Executes dropped EXE 1 IoCs

pid	Process
3204	viewpdf_updater.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	viewpdf_updater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 3204	1580	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	82
PID 1580 wrote to memory of 3204	1580	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	82
PID 1580 wrote to memory of 3204	1580	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	82

C:\Users\Admin\AppData\Local\Temp\5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
"C:\Users\Admin\AppData\Local\Temp\5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe

Filesize
33KB

MD5
f94b1676e88b656c80d4aed8dc4ce5d8

SHA1
93d1382cfe6d2b75ae759d47bc73b956e91d55d9

SHA256
8357fa2bd912394d49fd8fc99f6a59fc53b8b5130eb1f57a5f59e2600290bac9

SHA512
ea45b973e0292aa44804039a32680bf00661eb5db074096cb42b87837bb3007c0cd6dc5aa8003c18e4771320339de842c76c2276971a0ed9059e1094f77659b3

Download Submit
memory/1580-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1580-1-0x0000000000402000-0x0000000000404000-memory.dmp

Filesize
8KB

Download
memory/1580-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3204-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download