27c5ebd7479161e68f5e918cc2e39305d663b4ac5753a4ee0e59cacc17303c5d

Analysis

max time kernel
153s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:38

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General

Target

2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe
Size

71KB
MD5

31e6d666150d15db599032cfd78d10f5
SHA1

182252f48e761fd439d886aa12e2e5352b7054b6
SHA256

27c5ebd7479161e68f5e918cc2e39305d663b4ac5753a4ee0e59cacc17303c5d
SHA512

fb9bcd88d22ffdddaeeb7ade5cf5e84ad550d758ac06463b8436c452324bfc9fdafde883550d3df88e7b72a27ba795bf6fe72e7a78e414df273ab33639329fad
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1bFl:X6a+SOtEvwDpjBZYvQd2hl

Score

7^/10

Malware Config

Signatures

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	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 824 wrote to memory of 2832	824	2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe	91
PID 824 wrote to memory of 2832	824	2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe	91
PID 824 wrote to memory of 2832	824	2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_31e6d666150d15db599032cfd78d10f5_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:824
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2832

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
71KB

MD5
e27188c138b158ea6eb6fb26ccadcf8b

SHA1
ec62d7e49f6b17eeec90ead826bcc3b96caed927

SHA256
5bae49f9ccfd0530efc1e0d3d8b174a0d6a7c42296777dfe017ef6a0f625cb04

SHA512
9d34f1831cefe481d95982dd313e6677d97bf49b2a0fa7cb28a020e3168c9dded2ca87feba50a86b65f377b15a24f84080e275b0d829633d19890dea900456b8

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

Filesize
10KB

MD5
44362c06516e96924102b755e8690851

SHA1
1d8b9363608c3c695648bd3a029f76c40c89e954

SHA256
20053ad509f02db760c368a08ee5863a5795bb41795708765ebff126fdabb5cb

SHA512
f86fe89497fb06db86264e661796b0b53d534c74b77bdac119d4ddeb31ae00513a233ea161d72bef016bc6499829e0fde966593f1de0b7f676977e94b474e4db

Download Submit
memory/824-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/824-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/824-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2832-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2832-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download