2e7f3b77a9ca84c90a8e849b92a9001342725a456df28b56b8a7dc4152936a0c

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, 11:26

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General

Target

2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe
Size

41KB
MD5

1c0ba3fecb4fce6c0e4ee9bc43e9fb5e
SHA1

f1e17181bc011eccd9dd743f25b4e08365df65c6
SHA256

2e7f3b77a9ca84c90a8e849b92a9001342725a456df28b56b8a7dc4152936a0c
SHA512

9b59eff7d9802bcb5aaad66db3e3fffda809b89ccd1aa2e13f8bc450b998c71afb6a61bbaa06b847bf6b82893d69d94f7abc10319b3f162a0cb3c1ed4e7ebab7
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yY/Jc:bAvJCF+RQgJeab4sy/lu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023ba9-12.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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
884	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 228 wrote to memory of 884	228	2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe	84
PID 228 wrote to memory of 884	228	2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe	84
PID 228 wrote to memory of 884	228	2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_1c0ba3fecb4fce6c0e4ee9bc43e9fb5e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  PID:884

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
42KB

MD5
95b28e317eb31757ee544a5537243611

SHA1
5f3a800b2923126d372e026e1b353c5cea2e0064

SHA256
25052e28e3d8c1e75c39029e580dd1eb07724d99f4a33a4e193cc92012e5d7c0

SHA512
a794915f6bfd3fc22bb5595d5b7bae909818d45e7e41adc5e456d5f9725c06adc7aa47a244ba44219c5c952ebd3aad912c9a49066bf9c8285890160480033611

Download Submit
memory/228-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/228-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/228-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download