389698c2a4949e781b57a1501a7390a00e01ff97d8778e470ca065d909914719

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 00:29

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General

Target

2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe
Size

45KB
MD5

1ad9666136563290efed36324a8fb908
SHA1

f677bfe370163b996ae9f50cdb14df62753c47af
SHA256

389698c2a4949e781b57a1501a7390a00e01ff97d8778e470ca065d909914719
SHA512

685e5b7e0cbe77e5dff8ecc6133d481b4095d06d1382e60ff9d4b8cb1889211747e29e97912905f8277027e4fb32a56d807c6496a254754437680ea88e39d9d2
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+E:P6QFElP6k+MRQMOtEvwDpjBQpVXa

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2812	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.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	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2812	2384	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe	30
PID 2384 wrote to memory of 2812	2384	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe	30
PID 2384 wrote to memory of 2812	2384	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe	30
PID 2384 wrote to memory of 2812	2384	2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_1ad9666136563290efed36324a8fb908_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\asih.exe

Filesize
45KB

MD5
b2c9f5ab235d7c15f130d8e8d5176ac0

SHA1
0493d7b8e895296647202182ee79281e932b4f53

SHA256
13b9264bd1a5288d49ffc1bf3975b201b61f9280afb24133dee78b848d143b5b

SHA512
d24307c1861a6875a35887a58818a9dd9ca827b72fdc7bce431a7f7efdf6f82d6fec3b073d21edbafc6f93fa35cdf395a45293e85c45f99b7339eb9efb55ab07

Download Submit
memory/2384-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2384-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2384-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2384-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2812-16-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2812-24-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2812-23-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download