ac6376653eab09aa136b7eb02d2196b8b173109d633f31a52e28c3c2175998bd

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 23:50

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General

Target

2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe
Size

47KB
MD5

ddafa08936f838b753d2f1be45e6f14f
SHA1

57a7f860c5e9b698b49ed43a665c2412670e1f07
SHA256

ac6376653eab09aa136b7eb02d2196b8b173109d633f31a52e28c3c2175998bd
SHA512

69ccb51a5a487f8698c3f7eb43641fd181d41bd0cfa615037cf1c55048e828b1205fe5a45e5631b180f2f305f058fb0325fa320774a46e55c1d918ff654fccd6
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvvkuD:bgGYcA/53GAA6y37nbrD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e980-12.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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	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 4044 wrote to memory of 2564	4044	2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe	89
PID 4044 wrote to memory of 2564	4044	2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe	89
PID 4044 wrote to memory of 2564	4044	2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_ddafa08936f838b753d2f1be45e6f14f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2564

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\hasfj.exe

Filesize
48KB

MD5
26c9513d518116dd27951449c34564a4

SHA1
878d6f24804db04499d048d02d32709ddc0e5d82

SHA256
e04e2ee324d971c563b8926e9f9baeae2879dd8bb81329c60ca23a87f3e21aef

SHA512
910e8ceceb81cb48e1f5b309a051627491fc028556bf6be6d0f72a1efef68c2473915ac7389a5e51ea5004b2ad4762743f389ea327a1fc34b7968fd595c4e3c0

Download Submit
memory/2564-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2564-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4044-0-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4044-1-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4044-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download