c6d21ca698324630d60737598ec2838b7fb8aa5fdcb3623224577cd9fbdf2729

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2024, 03:29

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General

Target

2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe
Size

39KB
MD5

db01fa163a477b7a6af4b05eb5249ffc
SHA1

3d3bf36d35b0fe72bb446fded53800688acfa509
SHA256

c6d21ca698324630d60737598ec2838b7fb8aa5fdcb3623224577cd9fbdf2729
SHA512

782874ca39676d901067acfb37ec6a60858a57faedf3af3b8b0ece485fb7c09a27c60167b4e255f1d5b534ba69b3e233a3a1434304527dc919e162f8aa3d30f1
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yLFka:bAvJCF+RQgJeab4sy/a3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023214-12.dat	CryptoLocker_rule2

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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	demka.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3228	demka.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 3228	1112	2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe	84
PID 1112 wrote to memory of 3228	1112	2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe	84
PID 1112 wrote to memory of 3228	1112	2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_db01fa163a477b7a6af4b05eb5249ffc_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3228

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
39KB

MD5
107f44aaaf22630eb8d25987fb63de75

SHA1
e41d4eaca1ac866722dae961a841ca194a54c73a

SHA256
04c8dd000a91b1c61a84b3cee30369a81202fc7449eaa4b0f9dabf349c9b99fb

SHA512
04a4b61cdcb455786f03723cf3369606c56b920401c5aea17024b050d545fb1ba2b6df9d8615e8916a9e92918e0524661bac654d5356e1e060c2db5e07a5db73

Download Submit
memory/1112-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1112-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1112-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3228-20-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download