f18b906b26c4f4f89c2e9fda7a1867b21e823e9ed979b370dfe98397097d708f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 16:25

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General

Target

2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe
Size

124KB
MD5

0607769287c2ffb5c0956f0469df56e4
SHA1

7da8b7495103333515dd4670ea8387b207c85bc8
SHA256

f18b906b26c4f4f89c2e9fda7a1867b21e823e9ed979b370dfe98397097d708f
SHA512

066af3bba4a81923f891fb1345e234853eec6ae3bf62a3ef215de0b40a145ad828d8711133f4048d28119c2b6e4b96f0f1268e9ddf50a215bc5ea0155a913bba
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZ+mz:gUj+AIMOtEvwDpjNbwQEIPlemUhYpl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023279-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023279-12.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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4408	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 540 wrote to memory of 4408	540	2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe	86
PID 540 wrote to memory of 4408	540	2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe	86
PID 540 wrote to memory of 4408	540	2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-19_0607769287c2ffb5c0956f0469df56e4_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4408

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
124KB

MD5
1ea202455a7d16a6c73788280c763bb2

SHA1
90760e2cc1dfce14d0c0d40abd8e8c69fcbcfce9

SHA256
3b15196d203a761d8985109e2b0ec74a6fdff7df25a327ce443674efbaa61250

SHA512
ed098a146af9d05bcc139c9404bfe015b766bda5a56563b11c76f81a2c998c61d6d647aad22531fdc99bc345419075896979cb66c6ec3ff863879c79c5463fbc

Download Submit
memory/540-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/540-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/540-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4408-18-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4408-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download