30f403a0550e4e862d94616708c863dbc7491f7530b6310bcaf45d9ebdefb51c

Analysis

max time kernel
145s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 22:22

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General

Target

2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe
Size

129KB
MD5

229bc1bb8f5b649704e2551fdd9275ee
SHA1

ed2fbed7d4c8ae75436ea123964feda17f2924a2
SHA256

30f403a0550e4e862d94616708c863dbc7491f7530b6310bcaf45d9ebdefb51c
SHA512

4e17f94b22ad961aef5c64438f50dd3ad11225da516ca1b40f2849aa517e96cc83e04987076413e49f753a3edb654880ac2009344f216fbe5ea447467d6250da
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//R:vCjsIOtEvwDpj5H9YvQd2Rf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023355-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023355-12.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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2480	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 2432 wrote to memory of 2480	2432	2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe	94
PID 2432 wrote to memory of 2480	2432	2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe	94
PID 2432 wrote to memory of 2480	2432	2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe	94

C:\Users\Admin\AppData\Local\Temp\2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_229bc1bb8f5b649704e2551fdd9275ee_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2480

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3760 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8
1⤵
PID:4756

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
129KB

MD5
733233fbf8a425dac56d58baaf5974d3

SHA1
5d306bcb9a415318587b5fc88ec0e4b4bcbef989

SHA256
7aec0bde5c85c4e8915216f879967dd8dd2f19805550a01c3b4565ba4c392a95

SHA512
ec70ca5c3f98c28e3fb46ccb355dda84ffb654d43c28fc1fc5ca5d01228797f717815f5103d58efe64a2fa3a0f58241b1b34468d1efed6b6ac9d5e29cb957426

Download Submit
memory/2432-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2432-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2432-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/2480-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2480-21-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download