d6630487e0d9cb9ba971a53b82b13198ce59c5acb6d0119fc12e6bff03d8e52b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:39

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General

Target

2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe
Size

44KB
MD5

a6c00d22598f49575fc3bb24c9c81daf
SHA1

379117bbdc5a80c97e304be7f31cc187424652fc
SHA256

d6630487e0d9cb9ba971a53b82b13198ce59c5acb6d0119fc12e6bff03d8e52b
SHA512

5498e82961777f4a77db389fffe29a2915e8145d64591c99e40576363db32793e32daba8a060cb128114249a7acd111a70ca2105ec364a25d245ca11d2421354
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TWT:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLC

Score

7^/10

discovery

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

Processes:

2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

3032 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3032	asih.exe

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

Processes:

2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe

description	pid	process	target process
PID 5032 wrote to memory of 3032	5032	2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe	asih.exe
PID 5032 wrote to memory of 3032	5032	2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe	asih.exe
PID 5032 wrote to memory of 3032	5032	2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_a6c00d22598f49575fc3bb24c9c81daf_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3032

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

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Downloads

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

Filesize
44KB

MD5
cd7f2e09684fc2a6673a2e2b1b39054b

SHA1
4cde955dfabead1deb572376c951c9cfad1a0e83

SHA256
c5e26099b0ff9b4aa47dee01472e9ac537d3ea677b6c65988acd365bf2fc3332

SHA512
02acd884d2cd3605e2942a244a34e681c45953d7b37663fa58cefcfd3c4f08417566e1fc361ebdc52355cf9a342efab3e9eb7e5307deb38c9d49352bd07aab65

Download Submit
memory/3032-19-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3032-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3032-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5032-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5032-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/5032-2-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/5032-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/5032-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download