a5e066ef93f93b6637b98d8109fa63808ab408b36dfc1ea5746e1ddee8f28c25

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 03:26

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General

Target

2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe
Size

41KB
MD5

4594f97f67244ecfcc5c894e23231ba1
SHA1

2995b3403cd40b65035913b4366144d3deacfc58
SHA256

a5e066ef93f93b6637b98d8109fa63808ab408b36dfc1ea5746e1ddee8f28c25
SHA512

386b07400482eb2058ceef0266e9ac3a9f457be7fc29bf37390b09230e4e7d51574efa696b3c68c5de005e6c416f478808625e6c51af7a0680c2130161ecb1ed
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuD+h:ZzFbxmLPWQMOtEvwDpjLeJAsKcs

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2736	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_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	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2828	2736	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe	30
PID 2736 wrote to memory of 2828	2736	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe	30
PID 2736 wrote to memory of 2828	2736	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe	30
PID 2736 wrote to memory of 2828	2736	2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_4594f97f67244ecfcc5c894e23231ba1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2828

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\misid.exe

Filesize
41KB

MD5
5a171ed284a09a4781b3fbffae039559

SHA1
26f6e1dee705ef32e8237bf5c94dd57a155ad1fd

SHA256
d1744f4fe4e2e1e7adc945ad4f1e0cc4cb0eb2cc13480978a56d526db628b32d

SHA512
0fd110dde427479fdff0bedb3ce5a6f767c264e19a58e13715759302a7202dd96b217f132814bfeff5b2bfa82d6480d1c2c505b75954c27aa8ff251d815ddc04

Download Submit
memory/2736-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2736-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2736-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2828-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2828-17-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2828-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2828-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download