d1037ffa948d7f8b25a0a3693a0c789e3e5e55eee8382665510c2d3f2b1a6ff8

Analysis

max time kernel
148s
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
18-10-2024 01:56

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General

Target

2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe
Size

42KB
MD5

aaf4db19ff5c3f7ac7fb4e0b82f8e7e2
SHA1

faf8f3a6ebd3c2dbd6cb60c90e564382a6c12372
SHA256

d1037ffa948d7f8b25a0a3693a0c789e3e5e55eee8382665510c2d3f2b1a6ff8
SHA512

5650a106d04450524abc1d2955fc22d5d579af69013a1fe8cf8d8339f60e923be21b8ecc7c89b1bfc545195b308eadd7d46c8544b8e810cb3d2ca4e9d4b85bf4
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvcjpL:79mqyNhQMOtEvwDpjBzcku

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1300	asih.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	2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 1300	3668	2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe	84
PID 3668 wrote to memory of 1300	3668	2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe	84
PID 3668 wrote to memory of 1300	3668	2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_aaf4db19ff5c3f7ac7fb4e0b82f8e7e2_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- 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:1300

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
42KB

MD5
6784fea16018eb13f53319e264f42c0f

SHA1
1863ac2487590c03df44038034052e534e684d88

SHA256
017ec0b0695f1b757ff9cd81e6b3c3a0ddf2e92f34b4519386cdea6c7151e3fa

SHA512
04b112345aa7e6b197660ea211b3739ed9f7850833984be6012fbf70eb31d7f6e09b539979a690fd42cf4f65e00f09a5a6830faa8646f6457dade90a59c8afd3

Download Submit
memory/1300-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1300-19-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1300-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3668-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3668-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3668-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3668-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3668-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download