d3e0f37aa86f74eddb9e544330ca79d261cd95f2680fed235ac03836882242c5

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 09:32

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General

Target

2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe
Size

60KB
MD5

1c6d091f06f2f9740b6ebd38bc290a88
SHA1

90e18428b545ea2a1b72d221a5cd93131bae5a14
SHA256

d3e0f37aa86f74eddb9e544330ca79d261cd95f2680fed235ac03836882242c5
SHA512

169513815639cb583b51adbf71389e1772723fa69648df76453db10862883d7a6974a837da271588d0cf63ecf8f8c92e39504098648fd0025dc8a75d298dc7f7
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+l/N2z:ZVxkGOtEvwDpjN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023214-13.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-1-5-21-3538781373-1545967067-4263767959-1000\Control Panel\International\Geo\Nation	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	misid.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 5104 wrote to memory of 1984	5104	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	87
PID 5104 wrote to memory of 1984	5104	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	87
PID 5104 wrote to memory of 1984	5104	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1984

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\misid.exe

Filesize
60KB

MD5
04597fe132a1280ad8f4f9546075b1cc

SHA1
507d9261ba5985142f9e1c418a233d5d311c7fa1

SHA256
bd000951a182c0446d2fee78874e0bd93ceaaa5980b972f500ec622229d1ffd8

SHA512
1bdc3ee42719ef74df8f06dcad9ecca2c6e3c3506fa10e4bac8b639edff60c74a77ba526352868a9ca2b1f188cd0befbb5c08eb1d3315bdf9dfa82f26612919d

Download Submit
memory/1984-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1984-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/5104-0-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/5104-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/5104-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/5104-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/5104-17-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download