259b0cb08bbcc0953fe57c90521d60af1ba4d51ee5ae0d87cfacf76edaed4679

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 04:45

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General

Target

2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe
Size

36KB
MD5

ade34cbc85693485a2edaacd2c0a7c6b
SHA1

396c2a8964bed88052f26c167b00b9fc376d2b95
SHA256

259b0cb08bbcc0953fe57c90521d60af1ba4d51ee5ae0d87cfacf76edaed4679
SHA512

0d9a83169d67a88de88095cc67fc212f6c886bf25b8d3b9237e63987d836920ad65f5d51fef60e84074bed64e43229d2c1df01a4afc59062c9e57a19cea76532
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDq:bAvJCF+RQgJeab4sb+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b5e-12.dat	CryptoLocker_rule2

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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	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 4856 wrote to memory of 2424	4856	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	83
PID 4856 wrote to memory of 2424	4856	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	83
PID 4856 wrote to memory of 2424	4856	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:2424

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

Replay Monitor

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Downloads

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

Filesize
37KB

MD5
c8a88996b621c846521a9a27ee357595

SHA1
a4a2642083546cf47d2ce10d8dd98f886421e2f5

SHA256
3fad5ec5399aa3b3777c5fff66540f00c18eba1f7f1eab22a381e42c8d9f7eb1

SHA512
8f43bec747a2ec0d0b876ddff91a7c6a96ad754d2ebc4c31969b7bfff4138e2c6cc85f1508ae1f3ba6ed701e4a515d81b4e9298f9767d128ea868d180e263c36

Download Submit
memory/2424-25-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4856-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4856-7-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4856-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download