fd173039c46e56a1b8518f76e0e1eb98ca1bc2b0358f729a2ad47058ca4198b8

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 03:24

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General

Target

2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe
Size

57KB
MD5

0372b3c7ed93a06b86635b37b1dabbb3
SHA1

ac5882e0b0619c9b549c1fc1b8105ac976041abf
SHA256

fd173039c46e56a1b8518f76e0e1eb98ca1bc2b0358f729a2ad47058ca4198b8
SHA512

257b873ae581823b68d77171aa9df2dc9dec13abdb7afcb2df71525def7bebde1db2498eed580a35589e9618bd5b21de3b2f963db003097e0990bbadc69cb908
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGv:6j+1NMOtEvwDpjr8ox8UDv

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2916	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2136	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_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	misid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2916	2136	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe	31
PID 2136 wrote to memory of 2916	2136	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe	31
PID 2136 wrote to memory of 2916	2136	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe	31
PID 2136 wrote to memory of 2916	2136	2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_0372b3c7ed93a06b86635b37b1dabbb3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- 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:2916

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

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

Filesize
57KB

MD5
dd7140fd060fac2f187fefa983a3a77b

SHA1
57bf8a72edd01bfa350f6f2fd6228e2a94d59395

SHA256
e263c735fe619358cf5f8617c812969554167923735f41b4f800073d25e5de6a

SHA512
fee88f6bbda659a9718e7f68e9bb6f41b614bb34c3ec01262d2a0fbb938914600e171b5055efcb736402432bdd9d8af7c2dfc8d905f39c85e86cb57876d064b1

Download Submit
memory/2136-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2136-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2136-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2136-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2136-14-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2916-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2916-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2916-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2916-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download