434124d9f5b5bfe820a8025328bc33566d9392890fd005103bb01cfba05f682d

Analysis

max time kernel
96s
max time network
123s
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 06:32

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General

Target

2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe
Size

57KB
MD5

e36c2f1bc0c0dbc13f6689672ded2e1c
SHA1

30dfb56e97ed8c0fd71b7ddeef19c02c205f02e1
SHA256

434124d9f5b5bfe820a8025328bc33566d9392890fd005103bb01cfba05f682d
SHA512

123f3ea324ab60c42abbbc41f2a1b2739f0a3661ce0ae2e73d192da3389b811baf148e9c886c614db12cf043fcdfacb6bb438805d4b8a8cfc616d50c919e326e
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EcN:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7/

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_e36c2f1bc0c0dbc13f6689672ded2e1c_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
3572	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_e36c2f1bc0c0dbc13f6689672ded2e1c_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 2976 wrote to memory of 3572	2976	2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe	82
PID 2976 wrote to memory of 3572	2976	2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe	82
PID 2976 wrote to memory of 3572	2976	2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_e36c2f1bc0c0dbc13f6689672ded2e1c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:3572

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
57KB

MD5
f7cb6abf9c90f88e4e2f2764f7de9337

SHA1
e725e83f308e1fb30f7a14d538582cc25038d201

SHA256
b54deee17639d4f8aaac9545829125174a89be0cfb2a631dfaba731312fddb8d

SHA512
315f4e0020d0eed8bc69eca154bef78e2872d4f6c6aad77cb2197bfbfe7989d0881fccd9fadafb0d6668aa5ec4c0c7dbf56c2822b58392c815a0929bf4408340

Download Submit
memory/2976-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/2976-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3572-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download