09a01e8161071c3609e5c65008d413cc4cfef6190539a74b488485748438582e

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 08:26

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General

Target

2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe
Size

35KB
MD5

80b7866ea205a478efe3b6f4c749532d
SHA1

80cfd9b1d053ce7ae49935a852a7cba98b284b66
SHA256

09a01e8161071c3609e5c65008d413cc4cfef6190539a74b488485748438582e
SHA512

24cb961dc636717ca9254ef4ecd961134caf602fad9d8119e91d617a39f9409a5b28d43271c972ca70f329fcba12d5f7418881c0a672bdaf8c68ebaa78a8c895
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAgmEzXKxA+uspNY:bAvJCYOOvbRPDEgXRc+BAILYY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002327c-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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4340	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 4340	4856	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	83
PID 4856 wrote to memory of 4340	4856	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	83
PID 4856 wrote to memory of 4340	4856	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_80b7866ea205a478efe3b6f4c749532d_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:4340

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
a1d935ca381385a245b6959f1ebfb22d

SHA1
c42de23369a13b31262be1230c84664305d00770

SHA256
531f47f7e5ce58f1eeacb86fdb6a8d3b6a6534d64b8380eb3d2a3f8f4dd5cbb4

SHA512
c3d84b3145c41e46116f47bf3c562172c8d0d0a7c6297a5dea8601bc9e8cd135f0a7e64dbff6992d38e6208270de2abef11361d2e2220f4838bd22e5343da82f

Download Submit
memory/4340-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4856-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4856-8-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download