7e71476dcb5c24db41775d49d6c534eb4924af30229c6c1adf934602ec63bbf8

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22-02-2024 16:26

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General

Target

2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe
Size

65KB
MD5

132fec2cbb2b059eaea6a4596d692982
SHA1

376b1e10e40e59c8ef589ab36548669bd141305c
SHA256

7e71476dcb5c24db41775d49d6c534eb4924af30229c6c1adf934602ec63bbf8
SHA512

f8b30a6200d25eaf96ecef733f6921f48232232642f97ca739e807532b38eec0cae3a468a62617607c47274877de814c2a9c6558fb5ebf55b39afb0da0fd511b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVrF:ZVxkGOtEvwDpjcawL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002320a-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-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	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 4584 wrote to memory of 2064	4584	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	87
PID 4584 wrote to memory of 2064	4584	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	87
PID 4584 wrote to memory of 2064	4584	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2064

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
66KB

MD5
8b1aeccb35d3e36f1a2f68d172915e89

SHA1
16c7e225b2044aaf59bd902403e10d00b1dfa708

SHA256
072d80e8673181b2d0c33166df9570c98fb15d7937be0dd6c37611df526c984a

SHA512
b50deb412cb7ae34d63c9dcd9de1ca0ae561b93cc7c4cbce1aa9045869b866b71e3837334fc99817921d025fcf3875da77f8d4cfe1aa740c0c96baebf9bd05c5

Download Submit
memory/2064-20-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/2064-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4584-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4584-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4584-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4584-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4584-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download