d71b7d7b8cf2e7614387fe3bf7b879d79bd233a8ad2046a646c22485c00279d1

Analysis

max time kernel
150s
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
28/04/2024, 15:47

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General

Target

2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe
Size

41KB
MD5

b6296c9a5647f3a372538fd0155e3010
SHA1

47e027819c590ce30faf148322c3201b02571241
SHA256

d71b7d7b8cf2e7614387fe3bf7b879d79bd233a8ad2046a646c22485c00279d1
SHA512

913dbc32203aec78f442cba605a22aadedb0eff4bca9fb5dc7bc241c76bb20a0d97ff07fd1e01bf6be92fe09172cd2fc9c62b4a67f0fdba91f4d6ed7b8e53f90
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yY/Jt:bAvJCF+RQgJeab4sy/lT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b4d-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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2148	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 1936 wrote to memory of 2148	1936	2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe	83
PID 1936 wrote to memory of 2148	1936	2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe	83
PID 1936 wrote to memory of 2148	1936	2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_b6296c9a5647f3a372538fd0155e3010_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:2148

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
41KB

MD5
e1c7a1696bb84acc72912c3e330416c5

SHA1
3ca2f11baa08a1da6212c47a3415690a839668e8

SHA256
469c4a9686250151a2786694149f948c89ef4d1eee95de012a2d4383807cc1d0

SHA512
ed02f1e2fa6b592d0e01110eb8c87d17160da53b9e9b1bbaacdfcbca111942553fc2765ba097b6c69d19359e055f6f0697be82f1c66cba9c24e42156bda8efc5

Download Submit
memory/1936-0-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1936-8-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/2148-25-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download