17a5c5c9b2436b591a708a417a08f779a6478a4933c1711fc9c96daa57e4c302

Analysis

max time kernel
122s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 04:27

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General

Target

2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
Size

63KB
MD5

0a9f55e398b19890686f3bbfac179185
SHA1

dc6eda0206d00e9248065ceaec07eb52a433ab4f
SHA256

17a5c5c9b2436b591a708a417a08f779a6478a4933c1711fc9c96daa57e4c302
SHA512

17be0d0bfebcf9b2ebdae5aa6fbdd6460a3b415b5f62745df0387a6d92f33dfdba819b4d46dcb7887ca41387451287927ec95645a9fcfd490c96a5d3b079a51b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVV:ZVxkGOtEvwDpjcawv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023203-13.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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	misid.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 1448 wrote to memory of 2564	1448	2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe	84
PID 1448 wrote to memory of 2564	1448	2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe	84
PID 1448 wrote to memory of 2564	1448	2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - 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\misid.exe

Filesize
63KB

MD5
6c8ab1d43580c8f2ae90f04441526c00

SHA1
279f2954b53e0d70dc1e4e9927eeaa8ef28eda97

SHA256
8ab31256a0e90f81a0ffd32b21d95c0b74c599760dfd0c07ce0a75561b148c5f

SHA512
c82debbd8e76bb28b7bfc4c1f642299a66c2edc840ea9b1d24cb139258987410e24216ae0bd5a7eb81b71ea9ba740af7d2f115d6b74bd86c017bfe3499574e29

Download Submit
memory/1448-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/1448-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1448-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1448-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1448-18-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2564-17-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download
memory/2564-22-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2564-20-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download