36ccf68c9006df4a8deb7653cb3512e2f8c633230febca921f8d69e06f062f21

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, 03:34

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General

Target

2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe
Size

92KB
MD5

8fd19e99ce65abdaf256ebd695109bb1
SHA1

e2ff0bc646932dd2842fbca4da973d122a892396
SHA256

36ccf68c9006df4a8deb7653cb3512e2f8c633230febca921f8d69e06f062f21
SHA512

3b8bbfa36e12a258da9db041c671e06fff186f4a7c6da7e0a238b30bf027b7a37c701095fea2b51ba4f840d7f12d378660049f8b4468443a0b95627f602f1fe8
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCP:26a+2OtEvwDpjtz0

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4324	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	2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_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 4920 wrote to memory of 4324	4920	2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe	82
PID 4920 wrote to memory of 4324	4920	2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe	82
PID 4920 wrote to memory of 4324	4920	2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_8fd19e99ce65abdaf256ebd695109bb1_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:4324

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
92KB

MD5
85372f5f2754d1f22b37723c8a0da178

SHA1
128c7787a81fa9c5ee55d13aaa43809c038e60bf

SHA256
511b4f7270a8507c37240c3fb661290cf452a9f00c77dc88adeb76fbc751b5a0

SHA512
2679edabad03570632735e4f33c7b1152423a95ad653bc1983b36c9f9a64d0f3fe8dcf542e954eb5f7492d49185aacc3a2fa83dd4a106e361e50d8e23519083f

Download Submit
memory/4324-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4324-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4920-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4920-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4920-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download