072007f61de6aa87532ab296b8365019e2d118f0b67c857ddc4f65390e481a0a

Analysis

max time kernel
148s
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
09/09/2024, 07:36

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General

Target

2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe
Size

48KB
MD5

8903fe691c0d67c84cee1e8a6b816ed3
SHA1

f7298b99eed0cb3d87925e0c3055f2b906bccd52
SHA256

072007f61de6aa87532ab296b8365019e2d118f0b67c857ddc4f65390e481a0a
SHA512

d1b3f080af07c678978806c3cab3aca1c157492e2ae027025e47f055c4f1a8d716d0eef999896017e3fa96f1a2d8b5205b5ff7062051a2111abd5eadaaddc394
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3khtz:79mqyNhQMOtEvwDpjBzckqytz

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3996	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3996	2572	2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe	84
PID 2572 wrote to memory of 3996	2572	2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe	84
PID 2572 wrote to memory of 3996	2572	2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_8903fe691c0d67c84cee1e8a6b816ed3_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- 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:3996

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
48KB

MD5
6d3341ef880160dba672032c8eb6422a

SHA1
1e243961bf18b055402bd3415a96e59967b4746c

SHA256
b0795286e70cd81ed82fb889a3e35e0a5425ab4f8118fe063fd7f90bec5068a6

SHA512
93d55d542ef2416a6af50c91b9574b85a37ae87c933f11a5c08e6da470494e43b4409416f1ff953a4ebc31f8eddfc2a2846e7e8d69559d8e20aac874112af417

Download Submit
memory/2572-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2572-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2572-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2572-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2572-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3996-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3996-25-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3996-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download