c6724cdd2c0d24d5638bcb28836f8d92eb579ea0f2c68ae941384401301cba3d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 08:30

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General

Target

2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe
Size

81KB
MD5

1462e01a59c10c0c54aee82e44c64015
SHA1

986bf07ebd8ee932f1437a5baf600a258d2e2fe0
SHA256

c6724cdd2c0d24d5638bcb28836f8d92eb579ea0f2c68ae941384401301cba3d
SHA512

1e74aec937801804472033e03c56fc274e6bf7f5d3ce5188f0e5aed10b7d0de0472dea8c7cebc5167d039719a420794a873e3fb18908524fb238097c756a5f5a
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqVY:vCjsIOtEvwDpj5H9YvQd2D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e97c-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e97c-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-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3536	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 2184 wrote to memory of 3536	2184	2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe	86
PID 2184 wrote to memory of 3536	2184	2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe	86
PID 2184 wrote to memory of 3536	2184	2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_1462e01a59c10c0c54aee82e44c64015_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3536

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
81KB

MD5
8be942536e868066bc6566f9904c598c

SHA1
528868934c7571d3da463f829967d41f6fc8914b

SHA256
92e5c2d7c9e8bfc2094f4874d3b73292f3d09d9c4008f0ac56169970466b2856

SHA512
50610e824a1ceb02d6273265ffd0d9017792a3dd37dce12136a80686f90602d7920fe75e2c3edb02f31ab7918dc81f6f22ffdc5c6e7f5df483bf8a10b3213137

Download Submit
memory/2184-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3536-17-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3536-20-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download