313b155ecda6d28d9402443d782b6dd9b077ca9aa8ffbdf05d7328b260b21dbd

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/10/2024, 08:28

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General

Target

2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe
Size

87KB
MD5

8eac4d5a82c2ed5f051a3aa9b3f0fbbc
SHA1

3fb18ed70d54ffd730957135ad9a92fb1c075d2c
SHA256

313b155ecda6d28d9402443d782b6dd9b077ca9aa8ffbdf05d7328b260b21dbd
SHA512

30c19b637f7ec9af3b3d852a9481e160c8d380bd81821418ada40bd520a9fa00dbacc6516aa1d2146531a2fedddbf2e27c7396b549d05cd52ef816279b35e608
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+Zr:TCjsIOtEvwDpj5HE/OUHnSMD

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1940	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_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	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_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 2560 wrote to memory of 1940	2560	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe	30
PID 2560 wrote to memory of 1940	2560	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe	30
PID 2560 wrote to memory of 1940	2560	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe	30
PID 2560 wrote to memory of 1940	2560	2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_8eac4d5a82c2ed5f051a3aa9b3f0fbbc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- 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:1940

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

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Downloads

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

Filesize
87KB

MD5
4804af98ed5cabff42a87a04dd29b50a

SHA1
4e6008f92b7605f58490ce3a5971969fa1084ae3

SHA256
f187a52b8f5eddc2fa64ff4060147bbf8501d7e3357160d4cf1bda2f0fa8bb3c

SHA512
a28c303649a5138f5124a2985bd166663136626d0839b3f0357b747068d7ade6218cf9ee9477d63cfee8b39cdd7d457fb0259c8555df5faae971d5a23fced7c6

Download Submit
memory/1940-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1940-19-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1940-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2560-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2560-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2560-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2560-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2560-13-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/2560-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download