ce8f07ac93420b36f9dfbdd4ab9f6ba750320ffac98d1eea6f194fdc3d5c4eb7

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 23:54

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General

Target

2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe
Size

47KB
MD5

e9b4085205f8e42efcb034068f7e3ba1
SHA1

c184eaf0ea6c448ef4efc88883cd77255a2d6df0
SHA256

ce8f07ac93420b36f9dfbdd4ab9f6ba750320ffac98d1eea6f194fdc3d5c4eb7
SHA512

b44aa7f36e2add59f27aa26397bc835bbab30452d22ffbb062ccebea62b8d938925b8e5ef08f89d1f0a7d61ddd31a50650022007e391275d4fb5b22ae4de37e2
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hL:bgGYcA/53GAA6y37nbL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002322e-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-1-5-21-2727153400-192325109-1870347593-1000\Control Panel\International\Geo\Nation	2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
112	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 4452 wrote to memory of 112	4452	2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe	91
PID 4452 wrote to memory of 112	4452	2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe	91
PID 4452 wrote to memory of 112	4452	2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_e9b4085205f8e42efcb034068f7e3ba1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:112

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
47KB

MD5
9a14d3146aaae79beb61fa29da81e042

SHA1
bfd3c387612eae5894f97e2664ab89391fb7ad77

SHA256
e95c2fe368b6c6a3018c268384ca6f362f3c6cbf915f87fdbb9b565f0a02c03a

SHA512
21c0aae2b46c02ad231038e0bfc856ce7e5b461562b38467c053e17c10c518357a0bf64a6368ab57ba927c02eb6d87ca0a89290c65202cd0f69262bac2664257

Download Submit
memory/112-17-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/4452-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4452-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4452-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download