7188fea4abefc87049710cec7aa4fe1264dabddc8a2f4fe87377719f3b2327d1

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 22:33

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General

Target

2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe
Size

35KB
MD5

286f70e33b63a68e67a085f7865785d7
SHA1

b358ce8b06897c9bb739701d38fd3d944c35bc18
SHA256

7188fea4abefc87049710cec7aa4fe1264dabddc8a2f4fe87377719f3b2327d1
SHA512

164ad0657b5b5b8b2e8a78f47ad29d8095e6098d06ead49d7b0cd69e82925a3d0a98e7e306c160795f318b4b14b22d0e676bbf7c255354c7eea08581f590f9f6
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3a:bxNrC7kYo1Fxf3s06gY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231f7-12.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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
464	pissa.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 5048 wrote to memory of 464	5048	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	88
PID 5048 wrote to memory of 464	5048	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	88
PID 5048 wrote to memory of 464	5048	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:464

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\pissa.exe

Filesize
35KB

MD5
f0a0d96c2269e90a414203e4b99e54c3

SHA1
dc7ffd7013d9eff58645cf2ab4432d7b2c1a9887

SHA256
b36b5670d25515211714973d7831c19ac6f46a9e2951d4f3caad0863a4ee4d74

SHA512
032d7cc90edb12b4ac1db17bd214fff7d178a52f590f8e309d86e4b8923e3d9b1367fa295d72b6f6793258c189fa55244db5812d02b06eb5e1da39306bcfaebf

Download Submit
memory/464-17-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/464-23-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/5048-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/5048-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/5048-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download