99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf

Analysis

max time kernel
121s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 01:24

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General

Target

99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe
Size

52KB
MD5

cb41ab4b9507b7b567b516daacd38c96
SHA1

f0abb911e121bfb96906e7c57a898971a3e164a4
SHA256

99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf
SHA512

cb90654daead0777869528520f6eaa80bff7d930664d2b540ad0445bb0faa9a593d1069d2d8484ac9dd63d4ace8cf4bd1fc17c4fa8bf063a79a48a8af363a8f0
SSDEEP

768:JGuGSdMxdKhsttw9o8SHTMfmxA6v9XoGOVcI7ZpTrlicDqd:wrxshsnwffmxA6veGOVcI7ZpT0eqd

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe

Executes dropped EXE 1 IoCs

pid	Process
376	pdfupdate.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	99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pdfupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 376	1684	99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe	85
PID 1684 wrote to memory of 376	1684	99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe	85
PID 1684 wrote to memory of 376	1684	99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe	85

C:\Users\Admin\AppData\Local\Temp\99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe
"C:\Users\Admin\AppData\Local\Temp\99565cc51eb625b43127ff7768932cb3f1021ca1df2dee0e92236b60fc74a3bf.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:376

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\pdfupdate.exe

Filesize
52KB

MD5
59d54eccee91bcb89827045de40dcd09

SHA1
ee614fc591d6708b80b9349069a7defb1a7ea551

SHA256
37e93c6d7664d427055a981a48d70a13c570501e2cc19601d7485fd2ac415e92

SHA512
c70e8e51f6f7bdcca05b611e3dc6b79be066583d098e48d9dbac1fb57feffe3e62f4a6ae286fd6a45eeff082bf37abb91f5cd85909f8bc447f8c20dc8bf14da4

Download Submit
memory/376-11-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1684-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1684-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1684-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download