612e9fb082be21fa45e1234fed0ea109177960932be493905e88a5f552fb44fd

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2024, 14:10

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General

Target

2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe
Size

35KB
MD5

d85b6dd9dff43a177b252f39cc282330
SHA1

315105006d0a9deb35b3593eb6eb6521c03a1a7f
SHA256

612e9fb082be21fa45e1234fed0ea109177960932be493905e88a5f552fb44fd
SHA512

75c85f308d0d9613c17fba8ed63900966c3532278934568b3b0d1d375ecd71bf6cac0290e2ccf6bbbf1c5b3d4f5cb0d83b7ecac6379539dbc27cbe29d68e7092
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SAjQC:bAvJCYOOvbRPDEgXRc3SSz3SAd

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023217-12.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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
1204	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 644 wrote to memory of 1204	644	2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe	88
PID 644 wrote to memory of 1204	644	2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe	88
PID 644 wrote to memory of 1204	644	2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-06_d85b6dd9dff43a177b252f39cc282330_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:644
- 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:1204

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
35KB

MD5
088444a8f34339d0e9bdcfe6c0132868

SHA1
d25b9a495d979e117c7f236795e5a10c9be37720

SHA256
ed4d3a5f6487fb33f8898d97be7945616083e9551bbe4e3bd0b8d34ce41354d6

SHA512
f541577aeeb39d577e93ebc388b0dc730c1c6ce137835580b1c7c094782e985bdb0a5fbe600ddade88965b2b9ad8cc16a6d42f72eacb2f51689547a07e2e1917

Download Submit
memory/644-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/644-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/644-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download