78e7fab9c0de40f8b409b9efc146e9510f0ff9c07d88953d7ccc0e2bffdccf28

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 04:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe
Size

38KB
MD5

73e844f9bc12526d741635f5510da61c
SHA1

3f2420b6fd6be338bd50f4f5eaa98476ce0a90b6
SHA256

78e7fab9c0de40f8b409b9efc146e9510f0ff9c07d88953d7ccc0e2bffdccf28
SHA512

57aeb594b396674d406e019ec3c74a523b95e012b707c34923f70b1cd7d79644a9d2599beb9713a1a90b8895b8ef72f7f3bb79b20d693caf2426a7b05b073379
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDZFmF:bAvJCF+RQgJeab4sbC

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	demka.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	2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	demka.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 2340	3256	2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe	86
PID 3256 wrote to memory of 2340	3256	2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe	86
PID 3256 wrote to memory of 2340	3256	2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2340

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
38KB

MD5
8622520c13727053a0393126dd64a7a5

SHA1
537d07491640f1479070c8003e96770f0105eb3b

SHA256
df0790b868a472e526258af3deba733d5250e3d397ce6008b9dfde0467af5efc

SHA512
32d1863c71b99203aede03f0af8563efbf967a573048f00406ad0579716f3b39879698321aff1197b67e4ec1161e5eaa2c57595b5ebe554109dafd0de39163d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\medkem.exe

Filesize
185B

MD5
2b9d28888293f733a004407375426e1c

SHA1
90a00b5e5c5df8ab12c3eeee8eda582ccc8acedf

SHA256
7e5379046702cf757b4e19d2bae3d3211856b7c944b4c9b70bd70a7bf5476ebc

SHA512
e291042fefb75cd103c080a4201779638bc879f7b91abb9b61f8af640440262ccaa77294c3ff77406a32235df74606298366f652387148f00d4b3b64b62037a1

Download Submit
memory/2340-25-0x00007FF818490000-0x00007FF818685000-memory.dmp

Filesize
2.0MB

Download
memory/2340-40-0x00007FF818490000-0x00007FF818685000-memory.dmp

Filesize
2.0MB

Download
memory/3256-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/3256-1-0x00007FF818490000-0x00007FF818685000-memory.dmp

Filesize
2.0MB

Download
memory/3256-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download