33003e7bc25acd639c0a208966963ed463bedd00f9b1458da5768b81e210c612

Analysis

max time kernel
0s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
06/06/2024, 23:27

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General

Target

2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe
Size

73KB
MD5

502cf39308642b068e1a32a751c6f8f6
SHA1

ec08bd217c360d1e42c65c58e80a415274318aba
SHA256

33003e7bc25acd639c0a208966963ed463bedd00f9b1458da5768b81e210c612
SHA512

da3e87f43db654bbc256f5dc7e6a62f09171a19ab9d72997ec2ac7ced4ea3cbf8e8965637d76d334ca1dc21aa69906e84feaa99c13f5f3bc5a6e10d50ee87a21
SSDEEP

768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zf:9Uj+AIMOtEvwDpjLizbR9Xwzf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002342a-15.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002342a-15.dat	CryptoLocker_set1

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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4804	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 4252 wrote to memory of 4804	4252	2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe	84
PID 4252 wrote to memory of 4804	4252	2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe	84
PID 4252 wrote to memory of 4804	4252	2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_502cf39308642b068e1a32a751c6f8f6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4804

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
73KB

MD5
b3d51ef1ded5c1f1d12ef45d71f2f948

SHA1
40d0611abc667e5e72ad31234d2a12708aa22e52

SHA256
0d4f94e1ab175c03dddbd5f37e3e333b27ec461dc484df6cfb057184eec36a58

SHA512
e6d03d51668d45f15c67fd4bad5767f0d7cbe60fccf3e772a5fd871922713baaa30d7e69e1eba0a9a6246b35362b0347d2d47bfa33301b1d25a9035d93f680b8

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/4252-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4252-8-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/4252-0-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/4804-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4804-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download