c32f66a6228053c78924bf26e9d656108600aefd7cd27bce259611cfda5fcce6

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:26

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General

Target

2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe
Size

37KB
MD5

5dea77fa216caf20da8d5d2b25ac6439
SHA1

2cceb9eefdf032c45f0a049798ec93f6f22d597a
SHA256

c32f66a6228053c78924bf26e9d656108600aefd7cd27bce259611cfda5fcce6
SHA512

98bef4d4452ace7b1658bdc7f3254fe32ea7d9892d2e804166abd119725121372d5f1a0c9687eed4b9c34504bd5b7b9bbf0cc746ea7ebf8575ac3371fe8ff5f4
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0Ug:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XD

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

hurok.exe

pid	Process
1428	hurok.exe

Loads dropped DLL 1 IoCs

Processes:

2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe

pid	Process
2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_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

Processes:

2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exehurok.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

Processes:

2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exehurok.exe

pid	Process
2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe
1428	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe

description	pid	Process	procid_target
PID 2144 wrote to memory of 1428	2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe	30
PID 2144 wrote to memory of 1428	2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe	30
PID 2144 wrote to memory of 1428	2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe	30
PID 2144 wrote to memory of 1428	2144	2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5dea77fa216caf20da8d5d2b25ac6439_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2144
- 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:1428

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\hurok.exe

Filesize
38KB

MD5
4bf14115f692b6d5556b3cf2fcd76c51

SHA1
1f5cfc68c7c976bc94e5847e0d2f5015f9ffe3fe

SHA256
7dcf37ea182060c992340d798ed445cb9593c755ca01eb3bb9d0df4b4657e8a4

SHA512
241f56fb14d983a8986dbb9ddf2025a327c4171464f77e5f8feeae8dd9e7065893545fa0ea26816bacf7169df2882a599903bf89884d26417cf4a050ef42ddda

Download Submit
memory/1428-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2144-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2144-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2144-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download