ec89fd7b3ae8c9fa0f4176c5ea5c6e4cc70170ee86279f907ae7439a58e09d54

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:24

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General

Target

2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe
Size

50KB
MD5

3f57873e005ebecca142ab5ca7d08e65
SHA1

45b3333f315d47af92a57e9b3ef8e3dea32c1186
SHA256

ec89fd7b3ae8c9fa0f4176c5ea5c6e4cc70170ee86279f907ae7439a58e09d54
SHA512

838304dca92801d739d8d10dcd6cd6fb4403a77d1cccda6df0b51a722e74d821b1e39e0ab29a2cbba1f38149fb4acbcf0237b3feb87e1de7afd26e1265a24271
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshMx:aq7tdgI2MyzNORQtOflIwoHNV2XBFV77

Score

7^/10

discovery

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	hurok.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2428	2304	2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe	82
PID 2304 wrote to memory of 2428	2304	2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe	82
PID 2304 wrote to memory of 2428	2304	2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_3f57873e005ebecca142ab5ca7d08e65_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2428

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
50KB

MD5
c0d6884b04cb2b3e6b6d241bbe5a3935

SHA1
7bf29e9a282eb682fc7eeb7ac6f4ce9c15718729

SHA256
c5e9d1e4e0268c8b9001ff7328ca31ee675f0a0c6f059fa5919522708e2ecbb1

SHA512
6b7638649b48018cd104f342bc84e8f31030049691cc29e15b684c0e4b79eeb96e8f6f410f235916925a7a5856c00d6f1ce7b81c8140b7d5ee0add9d3968db24

Download Submit
memory/2304-0-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/2304-1-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/2304-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2428-25-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download