d7e7874de8d0d639577333fb5e22a79633b637f459a29e2b3d8214167e90a5b0

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:22

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General

Target

2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe
Size

55KB
MD5

091f4358d2bf024d6e15aa4e864ba010
SHA1

67a39a71dc5390f3648fe73868fe2e7d2b31c0ca
SHA256

d7e7874de8d0d639577333fb5e22a79633b637f459a29e2b3d8214167e90a5b0
SHA512

7a15e2149f54c89a2e1ac20f82c4be4e89725eaa1c1ffb82374b569ea0360d9d3a7c706ab0a1eb6d4997b5be75f61739a60a29b703c23afafc0fceca35387c23
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Ex6:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7B

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2208	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_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	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe
2208	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2208	1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe	31
PID 1708 wrote to memory of 2208	1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe	31
PID 1708 wrote to memory of 2208	1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe	31
PID 1708 wrote to memory of 2208	1708	2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_091f4358d2bf024d6e15aa4e864ba010_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1708
- 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:2208

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
55KB

MD5
07bfc8342ee07d03a6b678d42773dd81

SHA1
4484c98b3219f5906111fae9c64e5fbac8aa8000

SHA256
d8dc52ee1adfbf2cafe6b95e0e405160eac5b14ae05c6c49de736400d42ea250

SHA512
337198a91b951764453d923ecb3ace1c9012aba9485c6790b8fc7ace26414b0fc40db4c2047646aa37c05a61c49b899b2850ce3c59432ca24432ef905cb23aa8

Download Submit
memory/1708-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1708-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1708-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2208-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download