096b503be4b64c1d00703eb6ebd7781ba8d73e871e467516d148bdfcf247e194

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 00:25

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General

Target

2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe
Size

52KB
MD5

1252e8c06807fe1c56792dd78c768add
SHA1

30b210e8e04c51cb7c2d38b506e99d0d796c8c17
SHA256

096b503be4b64c1d00703eb6ebd7781ba8d73e871e467516d148bdfcf247e194
SHA512

363cd075b20c251e8017631ae16f76db7a1a8df32abc27a8115c90e94e45996c1b6004b1c5d347e60941be3fab89f4cda320e72e124b9206f8d97322c3298c84
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9gE1NImsjp:bIDOw9a0DwitDZzwI9p

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001db72-12.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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
980	lossy.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 3656 wrote to memory of 980	3656	2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe	98
PID 3656 wrote to memory of 980	3656	2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe	98
PID 3656 wrote to memory of 980	3656	2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe	98

C:\Users\Admin\AppData\Local\Temp\2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_1252e8c06807fe1c56792dd78c768add_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:980

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=3472 --field-trial-handle=2260,i,11662483365823245381,11064702639240765741,262144 --variations-seed-version /prefetch:8
1⤵
PID:3832

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\lossy.exe

Filesize
52KB

MD5
b34b5d86096d735dcec87b1ee2e6e46a

SHA1
b6f378301d0f16eebdfab6dd174af0becaaf3112

SHA256
34e1e52dfacfaaa326696554ebe598f9ae76b8b072be2459e5968301ab4c5f72

SHA512
c588e05206cf11a60c25dd374867b3c5060976c70fa610455f3a33acf43ef73c43a4042e97d10bada1e27145c820109896dc936556b14c0ee255432a2d399917

Download Submit
memory/980-18-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/980-17-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3656-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3656-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3656-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download