2b34c1d27e36767171e42423602f30d1fdbdaca616f23193087db070bcabbd7a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 09:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe
Size

386KB
MD5

da070fa885901e47ed09aa6af97aedd6
SHA1

f622d41ffcb9485cde7aa9d07fa9424c770efab7
SHA256

2b34c1d27e36767171e42423602f30d1fdbdaca616f23193087db070bcabbd7a
SHA512

195917bd61607290460eb8d175c76a1dd28c92521fd2aee8e566bcb54a65fc96a7f8875f788524fa04c827e0367bc22959399217d1e6f405d487cba9ea060975
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXY:nnOflT/ZFIjBz3xjTxynGUOUhXY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000232fe-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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	hasfj.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 8 wrote to memory of 2384	8	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	97
PID 8 wrote to memory of 2384	8	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	97
PID 8 wrote to memory of 2384	8	2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe	97

C:\Users\Admin\AppData\Local\Temp\2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_da070fa885901e47ed09aa6af97aedd6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:8
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2384

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=4144 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
1⤵
PID:5052

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
386KB

MD5
592046f0cf3e277b8e9247b7a2283858

SHA1
f6fb8c12cf51162730c517f2c7227c0d74ccdce2

SHA256
7ea055f14565dcbe6aab7fc87cafe86eca3cf6aaada72468ef91019bb4842953

SHA512
5e05308eaeaa7352a91a5bb3a354602191d42ba52891c230ccaf582775e479b6681911d74e43e70acec8a24e1609e3888428c91126b32b716c2287734875d1db

Download Submit
memory/8-0-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/8-1-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/8-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2384-17-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/2384-18-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download