d2642177448ec89330a7314bfa4fc5b09f37daa95188ba3b256c04c0945b3c8f

Analysis

max time kernel
143s
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
07-03-2024 05:29

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General

Target

2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe
Size

32KB
MD5

21828b08bbfc6b19e7978d183010ce70
SHA1

71ceb05a5d219e8002e9584698de3043ee540029
SHA256

d2642177448ec89330a7314bfa4fc5b09f37daa95188ba3b256c04c0945b3c8f
SHA512

58fd5c6c73680ebe4013c6d93b02e55caf39ee0736fb8df636ef78878c74d2db89fc0abf614c766d7bec8ae81763933684366e4176aaca1e4e4de25ab078d0d3
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz9tdA9:bAvJCYOOvbRPDEgXRc3SSz3dA9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002324a-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
2220	demka.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 1136 wrote to memory of 2220	1136	2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe	98
PID 1136 wrote to memory of 2220	1136	2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe	98
PID 1136 wrote to memory of 2220	1136	2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe	98

C:\Users\Admin\AppData\Local\Temp\2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_21828b08bbfc6b19e7978d183010ce70_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2220

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=3912 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:1568

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\demka.exe

Filesize
32KB

MD5
1f2335c81d0dc6abd17529b31149eb57

SHA1
d37f19ddb0a00167fa22fa1c191359df186976cd

SHA256
d0e9feb0d9688e64036c1d2220bfa5275fcadab255f0ed2b53fdcff5576593da

SHA512
47c21ede94458580e53092dea0c988b94971ddabe8e1081e1b10717ac84e1cb8d0375b7565098b760d878c7ca19fe53efa5551ff3f226e3f338cc9a771d74a0c

Download Submit
memory/1136-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1136-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1136-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2220-20-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download