179056afa5d93cd4b52571de0e9b96b798c5b4d91f40e812bf9350478b4c5af1

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14/05/2024, 03:52

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General

Target

2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe
Size

53KB
MD5

67424bceec7caf2d739a343b5680c09f
SHA1

2b613678cfd70e1c4749d6b2bb9fe30fbaa4c4a3
SHA256

179056afa5d93cd4b52571de0e9b96b798c5b4d91f40e812bf9350478b4c5af1
SHA512

10032ed55ac911f5b04c055f869478c1f57cfc23c4fe38ff4f6568792efeb2959329db28d2876af4cc2f20937e72700f8bb5d3a05a8742faae4da6d7fed6b429
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIK:X6QFElP6n+gJBMOtEvwDpjBtExml9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000022f51-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000022f51-12.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	asih.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 1184 wrote to memory of 2576	1184	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	81
PID 1184 wrote to memory of 2576	1184	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	81
PID 1184 wrote to memory of 2576	1184	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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\asih.exe

Filesize
53KB

MD5
28bf2f5a3da68d31f4dcc92abaf02700

SHA1
8c444e8b2317e195eeb3386c241974e18e42417a

SHA256
28ce5968f5e66252e246fa9b32cbfc375fef5d71c222f392d655ee9b8a64aabb

SHA512
066d18dd9258141fe192b976be9e98049ddd96fe9591e8119beef9071b573d47a8a53e31f32f79d357c674840bdd4275bf1a658a90ced45d4b15dc7756f4ef2f

Download Submit
memory/1184-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1184-8-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2576-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2576-23-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download