533a6b5d5d0bb14d7dc45e34fd90f378bb5c586be05ddbfb5d8b1bf3aa8efe0a

Analysis

max time kernel
135s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 16:39

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General

Target

2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe
Size

77KB
MD5

7cb01579a88f835e269b1108f3654fa8
SHA1

bbf8c7af2136ed1f49e7c67c21fc62fd8ef57263
SHA256

533a6b5d5d0bb14d7dc45e34fd90f378bb5c586be05ddbfb5d8b1bf3aa8efe0a
SHA512

9acae37c7c98a8b42258e355af5bcac72693127f78093dfcdbfd395b8fe3819be884a65ad57bce3c9a0d10982c0a1f1f7ad826d2513de4e2e12c8b4c2ee59d55
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWTg4:ZVxkGOtEvwDpjcaxE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-13.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	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 4204 wrote to memory of 2996	4204	2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe	88
PID 4204 wrote to memory of 2996	4204	2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe	88
PID 4204 wrote to memory of 2996	4204	2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_7cb01579a88f835e269b1108f3654fa8_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2996

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
77KB

MD5
92f69edf78b15f67a16df1a6f068eeca

SHA1
f9d5798adf8adfa83d8eb26615212d22c3453aa8

SHA256
3753872e62fe4eee8ed33c9671c4907724c6e0a2a47d5b0c197d50145c0cdad6

SHA512
46e9202ac6bc1ef9d273925f35e42298c801651a6a17e3d8554073e2ac667af83216c1c46a26c470152f775f100ee5240697f55059439a4ecc88ce8e8be15210

Download Submit
memory/2996-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2996-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2996-26-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4204-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4204-1-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/4204-2-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/4204-3-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/4204-19-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download