01060dd3732ea22567c90daad7194457577ca3a9f886685dbafc6634c81db575

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:16

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General

Target

2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe
Size

62KB
MD5

ca1c29ed6037125a52fc2d2efe41f5f1
SHA1

4aa042fc596ee38095749d370ecd96209f618a3b
SHA256

01060dd3732ea22567c90daad7194457577ca3a9f886685dbafc6634c81db575
SHA512

19a9c017921e47b789d941feed5780feb9fe766482e511d064855903ef0c2e1e4f6d7df3ad37e7d817685be104722338c32b5376fd8a426a2e21f2b2c132a3e7
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSck:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7E

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3892	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 860 wrote to memory of 3892	860	2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe	19
PID 860 wrote to memory of 3892	860	2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe	19
PID 860 wrote to memory of 3892	860	2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_ca1c29ed6037125a52fc2d2efe41f5f1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:860
- 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:3892

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
63KB

MD5
e88022a74d2f49ef1999168db3cc77b9

SHA1
a6906c818587ed9d1dacba2ad830298390f15bb4

SHA256
2938fbfa1d502a4407cbbb6828978bfba2f47610bdffb9c70969de3bcbedba28

SHA512
da19dc3f662579c4a8fb4999bb7865723f14c175742d0c0c201759c7fb6ac2a6a6f6eb3fef2d279505cf9eee1dbbeaa6989730dd051d506dddc3f6a5dc143052

Download Submit
memory/860-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/860-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/860-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3892-25-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download