9bba3f6959957043f1b6c9558812f272e895dc8a54070f0b4689ae4f707a6d20

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 11:30

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General

Target

2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe
Size

37KB
MD5

16f963dbaf4bbfd0c9e56de3f342dd6e
SHA1

867ef1088655c7ea25ccbe97fbbb2b5b502179b9
SHA256

9bba3f6959957043f1b6c9558812f272e895dc8a54070f0b4689ae4f707a6d20
SHA512

dc0f6d3d55df7e0a2a9ceb412b6929a45a9dbb6c0e6a65c0c94fbc18a43b37b07cd56c9f35f5be7e615284e6b8528160d753533f5c43452720472d4db81c7b7f
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZr/04q1:bgX4zYcgTEu6QOaryfjqDDw3sCu5q/c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023133-12.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	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 3252 wrote to memory of 2028	3252	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	84
PID 3252 wrote to memory of 2028	3252	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	84
PID 3252 wrote to memory of 2028	3252	2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_16f963dbaf4bbfd0c9e56de3f342dd6e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2028

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
37KB

MD5
2c8701fe31f8a4e8ea061d0a4423031e

SHA1
71f40381b574acf8dd7e98f64f46f8bc97662112

SHA256
9269e5758e355ab5de0c6ce01d1f08a74d7eeb7f7228cf3e32cd7d4a3faf9b88

SHA512
51af71c0c5f8ee8d565fcac32ccda3de0d6523680199800de68b91f1dab7cd1388ec5798d45559ff651cc829b81d89a59750481c0b8ae252789d3d234d2952c9

Download Submit
memory/2028-17-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2028-18-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/3252-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3252-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3252-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download