5dec6d51bcd24e36ed44b70184034611355bcc8d3544be336a7b303156c49126

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 05:00

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General

Target

2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe
Size

49KB
MD5

fbe89883a8e3a7edb2c3138db6ba974b
SHA1

f14030f21fc424cc9fd88c328eae9fc45649af25
SHA256

5dec6d51bcd24e36ed44b70184034611355bcc8d3544be336a7b303156c49126
SHA512

e33975af06666e02829a344124050a131dc11c53f114187c284d51c6341d7a5a5c7d2ba1b7247109d6f39b17102c5a4258729c65aa3f531c81000a32dc3abb9c
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITXx:26Q0ElP6G+gBQMOtEvwDpjgWMl7TXx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2680	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2540	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2680	2540	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe	30
PID 2540 wrote to memory of 2680	2540	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe	30
PID 2540 wrote to memory of 2680	2540	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe	30
PID 2540 wrote to memory of 2680	2540	2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:2680

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

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

Filesize
49KB

MD5
7e1d2b31bfadb67f59bf604855c1cf80

SHA1
5fc6435ec266c46a16448e365577fb904673a14d

SHA256
7e01f778718b5a0c7b0e366114d4e474e53aaf88a4b372ede361ee4f339f3b56

SHA512
10aa5953e9350ab0ef4fb665c3f0fc0a270744d5fd2bc8a0b435721c178a2f38af976d9da47d75247f5e78f7682958c1add10a5330bd91168050c1753cf6a5ea

Download Submit
memory/2540-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2540-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2540-9-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2540-13-0x0000000002170000-0x000000000217B000-memory.dmp

Filesize
44KB

Download
memory/2540-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2680-25-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2680-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download