7c29b88cfe8d03dce8db3337fca970dbf65f6cd09f96d0ed2d8f8ef7d4da3c9a

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
31-10-2024 08:13

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General

Target

2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe
Size

56KB
MD5

f0fcaecf4ba9ae19a4178717559bd5b4
SHA1

5aef2a16e9223f6a81676c740ce6ef28989c691c
SHA256

7c29b88cfe8d03dce8db3337fca970dbf65f6cd09f96d0ed2d8f8ef7d4da3c9a
SHA512

7fc314d8dbc0040910972f56fa413d30fff09358520415229dac3b0d9fe05dd763de7a58a2d8261b59cb62fdd190572ab5be3731279d13a76725537bc9509652
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EhX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Y

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2672	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_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_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe
2672	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2672	2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe	30
PID 2076 wrote to memory of 2672	2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe	30
PID 2076 wrote to memory of 2672	2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe	30
PID 2076 wrote to memory of 2672	2076	2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_f0fcaecf4ba9ae19a4178717559bd5b4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2076
- 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:2672

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

Replay Monitor

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Downloads

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

Filesize
57KB

MD5
bb7d2f0755bf2431a1956ddd33909a3b

SHA1
2bb876f361eeb805a108e385566c3c6358ca1825

SHA256
c5bba20119ccd72f97b2f3d7b09a5c2e280edeb3d2a8af454d255617f8db5e12

SHA512
3d2a6e6d33f1523654ae68d4a1844872e08078ba0ebaeeb90e10334ead9e98ec11f0eb253675faae711cf56250f3d29446d9560140077d3aad0b74f75ca9a6b1

Download Submit
memory/2076-6-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2076-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2672-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download