9ea8a78aa845686c5d17c0fde03b67bda0b9873641f4e20ab7ee63fb33c9836d

Analysis

max time kernel
89s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 06:26

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General

Target

2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe
Size

40KB
MD5

ea090d46657a27ea47b15feb7f6b8955
SHA1

228aa4d6b5fa2c9754813a371a27756bac6e5191
SHA256

9ea8a78aa845686c5d17c0fde03b67bda0b9873641f4e20ab7ee63fb33c9836d
SHA512

8234e54bdbf056083ec4d953e0da0446408392fd4f7d849dfc5906c1ffb6232582c730e241106220ff1d7e79edd69223bbeee4da3ea4e2d8c2ac276698654667
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bTc:ZzFbxmLPWQMOtEvwDpjLeU30

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231e3-13.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	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 2764 wrote to memory of 2932	2764	2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe	83
PID 2764 wrote to memory of 2932	2764	2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe	83
PID 2764 wrote to memory of 2932	2764	2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_ea090d46657a27ea47b15feb7f6b8955_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2932

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
41KB

MD5
438c9efe608707c54619b68645195ce8

SHA1
88c62c7d66052124935a6a094713c41753f48b27

SHA256
82d1741f15d073fefeeb8f08b0cff0d24bb2a2e3deac1ccc987e477b3e2d1cfe

SHA512
726ff8c7a2b1701cbc0a2d7a30698b5082e11d321438e1cf4a4fc9f2d03585ede9db65266adb6bab46567061a690ac722fe014613f389497fbf873bed27a054f

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/2764-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2764-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2764-3-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/2932-17-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download
memory/2932-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2932-25-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/2932-48-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download