8cbc6894b8e090d068579783bd516865e5286024f0de72dd6bdfd10f20bc2b20

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 00:40

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General

Target

2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe
Size

47KB
MD5

c00d74bbe65fd4057bf558efac6413ae
SHA1

e6ec4a4796c4563508fb3b7b3e4efac1709ef447
SHA256

8cbc6894b8e090d068579783bd516865e5286024f0de72dd6bdfd10f20bc2b20
SHA512

c05c5c0d8854ae18f21f5d94b3e29604dc6d4516a33b1355981cb22433fc2c71638e1661359c8db163cd7b2d41cfaa53c2c835e59c3eba850a894fc6f4042e0f
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsi7:V6QFElP6n+gMQMOtEvwDpjyaYaFAh397

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002328e-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002328e-12.dat	CryptoLocker_set1

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	asih.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 2008 wrote to memory of 3212	2008	2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe	81
PID 2008 wrote to memory of 3212	2008	2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe	81
PID 2008 wrote to memory of 3212	2008	2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_c00d74bbe65fd4057bf558efac6413ae_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3212

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\asih.exe

Filesize
47KB

MD5
90755e972bfbee5113b591bcdc8e5604

SHA1
1c92aa1022d85717fb07e36d2512c0b4e5abbd87

SHA256
284125736dbf30f0750097ca38d6d6753c252fb12d3b62b42e652478c3fc27e5

SHA512
1c26befa5ceab1ce49a9d2ab5a49e3796387e2229eaabf3c65c142293685749e8fd421e5690d0610c419323b09f3388601988c7039cbfb2c12aeb3c76c0a6465

Download Submit
memory/2008-0-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2008-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2008-8-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3212-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/3212-23-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download