767d69cd3b58e68bf879383c2cc210133b9a6655c50fecb7072fd91d31fa3ac5

Analysis

max time kernel
92s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 00:23

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General

Target

2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe
Size

33KB
MD5

0980969aff2e85022f0046aa9a49c095
SHA1

b17e7ee460eb2d881b09a324de0da92a67439671
SHA256

767d69cd3b58e68bf879383c2cc210133b9a6655c50fecb7072fd91d31fa3ac5
SHA512

d3c2afac46293fa9e4b2417f5f1070ca8ccc0ec08d7bb366971842cdfd11456888800a84843b761813411f158a6ebc8208081fb0a3360cdb485b494d2e1526df
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz9VvV65D:bAvJCYOOvbRPDEgXRc3SSzod

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002321e-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-1-5-21-3316742141-2240921845-2885234760-1000\Control Panel\International\Geo\Nation	2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3316742141-2240921845-2885234760-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
3116	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 4428 wrote to memory of 3116	4428	2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe	42
PID 4428 wrote to memory of 3116	4428	2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe	42
PID 4428 wrote to memory of 3116	4428	2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_0980969aff2e85022f0046aa9a49c095_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4428
- 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:3116

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
33KB

MD5
b8aaaec64cba4f1777fd80e73e3cf880

SHA1
f6d47a12ae51d7ac267b6953e56cff89db004494

SHA256
dc496ed0764120f424aa5d4d07904a57a1f876ace0d6a8466132168f961bfe76

SHA512
4513fedb750bb7fa47198973476840f9086ee428ac2a6636f799463d3acb80f0070ed517eebf0c404ebdfee0503fcee5a6c05252af63c47e996a436e1575c180

Download Submit
memory/3116-21-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4428-0-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4428-1-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4428-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download