3177426a01cee10b13f941bb87dd50ead33ec96f3530c2ffd490a4724047a24d

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
13/10/2024, 02:25

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General

Target

2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe
Size

51KB
MD5

19603ca4cdf30e9ca7a2ddfff1720f17
SHA1

c4eff134607ee872731e8a9f9e153b995325f133
SHA256

3177426a01cee10b13f941bb87dd50ead33ec96f3530c2ffd490a4724047a24d
SHA512

ddef8eddd6b307d2238c25d1de69db1705976981de254c9af9bcc5bbb6a82e4e88d75fec41fca1d833041c395a8a9fc9b1090f9c418ba588619d06900e9e0290
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIXam:aq7tdgI2MyzNORQtOflIwoHNV2XBFV76

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2412	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_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	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe
2412	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2412	2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe	28
PID 2908 wrote to memory of 2412	2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe	28
PID 2908 wrote to memory of 2412	2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe	28
PID 2908 wrote to memory of 2412	2908	2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_19603ca4cdf30e9ca7a2ddfff1720f17_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2412

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\hurok.exe

Filesize
51KB

MD5
c44006421020002be25fa9c4bd2e9b29

SHA1
c3010b4a3e90cd1b692a42680ec2ea902e1084f1

SHA256
8ff8c296811fb58a00c858ceacf43f332860bbc8c74bd0cd8c8fef7a64a1a6d5

SHA512
238a6ec750b7c51678daab0c961b4030414e89e0cb821694003ad06b1888705d02dbf6aefc73b78e31d62241efe36b6262c65cf7f5582e842e06aad2978955c7

Download Submit
memory/2412-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2908-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2908-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2908-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download