98601b764342ce1aee8cf089292471056609918768176859ffa71363dd799385

Analysis

max time kernel
135s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 19:11

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General

Target

2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe
Size

31KB
MD5

88dd28f1863851efd88a9194d2fc6c13
SHA1

7776640e1f97986788e11bee36672aeecacc8c02
SHA256

98601b764342ce1aee8cf089292471056609918768176859ffa71363dd799385
SHA512

2e18414f9a93ee2672c55ad6ac18c2ce25486f46210415e449f00d11734bc174d79649155f859884738d635829fbb89ec0ffacb729619c83cae101b83959d04c
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNf2ijw:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XT

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1452	hurok.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 784 wrote to memory of 1452	784	2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe	84
PID 784 wrote to memory of 1452	784	2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe	84
PID 784 wrote to memory of 1452	784	2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024052188dd28f1863851efd88a9194d2fc6c13cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:784
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1452

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\hurok.exe

Filesize
31KB

MD5
c7c0ca41ec92991ef4548cb4a1eca125

SHA1
3f61e01555b21a4b177307d57fdb1539ede31475

SHA256
6f3a047aa12c3b33a29fabc39d5f42f953aeb109be7905d0b9617dbd73b59de5

SHA512
ae12cea270c27ce821336e872761cab2d48cc7dd93f48e9a42f6e9cdb73dbaf237f9b9be6294259d59e5e0a2822aae22b923b0276dcc70ae60d2da8984e35872

Download Submit
memory/784-0-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/784-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/784-8-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1452-25-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download