b3969b3231b70d8d770aefdbfb34d2f3927cc1f3937d2226e6a7753f6d0e2582

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 06:50

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General

Target

2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe
Size

38KB
MD5

76c57a8ee4ffbfcbe340d5a36ea7f693
SHA1

822836fb6cc570b9d0c2425fff1809c8d3438003
SHA256

b3969b3231b70d8d770aefdbfb34d2f3927cc1f3937d2226e6a7753f6d0e2582
SHA512

5d2c2483cf1db87bf36597f3cbb46d4f92e9f1c16c2ceceb39308d3172d6949d689fe148177836c09059e503bad74f0c055a52b7837e5d5b6a07784d50513dd7
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDZFc:bAvJCF+RQgJeab4sb8

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
4884	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	2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_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 1928 wrote to memory of 4884	1928	2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe	83
PID 1928 wrote to memory of 4884	1928	2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe	83
PID 1928 wrote to memory of 4884	1928	2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_76c57a8ee4ffbfcbe340d5a36ea7f693_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1928
- 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:4884

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\demka.exe

Filesize
39KB

MD5
5b3e2093e661710b9230bd56e753e4dd

SHA1
387d81eefb0ca4447265eb0c13cd77c7440d3f92

SHA256
f69fd7f131a5ab70e4f03f6a97077f0712206754a0af2f23e77ceecd2f3d8c32

SHA512
94107037f45e18adb586cbc9354cb5d0c6516970444a672d7b85ba8f1029d43b7e73ddd8ed384bb4ed3cb0c7f3524e2c79f3467f16c54984eaa2346b898d299f

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

Filesize
186B

MD5
dca1ed4f598f8a7904f470fa74af4e8e

SHA1
e96989b8917444aa0fe8f43d62ada71b01494866

SHA256
3dc9cd7b0fe50bc8321fcc8cf87eb9f7c1c9637ac6157e71795033817b9cb4b2

SHA512
53d8899db1f595a2fb832bef58a7109b6a90a61b6c22cae6275bc70250bee170b068ee15b35ac6a2dc9f431bac50f2b3f19b525d2bac5aead55bb1d1297eb28a

Download Submit
memory/1928-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1928-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1928-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4884-25-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download