38080dfc2c74df8ae6b93bb6ee6d1de59c494161c56e7ff080ce967ea89ab2db

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 10:42

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General

Target

2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe
Size

67KB
MD5

b09c909c770ce677e90ed55813c293c1
SHA1

449c62526b979285f8bd7b0c4d4ddd7aab484494
SHA256

38080dfc2c74df8ae6b93bb6ee6d1de59c494161c56e7ff080ce967ea89ab2db
SHA512

6a273e806d074f001fe4faaaed6ad8e95b12ccb25b7b012c466475bb24440486531a76a3bd6203d1051fad9b190d140ceea6ad3b2cce50ba8d62517ab76baf58
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293Wb:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7U

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2084	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_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	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe
2084	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2084	2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe	30
PID 2560 wrote to memory of 2084	2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe	30
PID 2560 wrote to memory of 2084	2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe	30
PID 2560 wrote to memory of 2084	2560	2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-14_b09c909c770ce677e90ed55813c293c1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2560
- 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:2084

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

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

Filesize
67KB

MD5
55291fdfde8aa5b4803ac6f4e9baf278

SHA1
f54fc46b1da4f7ee63a4b05b894e811d5cd39f40

SHA256
f6eeeaa50b3e43c48cbb56081027ecabf3f4bfd680471690240e0bd8bbde3c58

SHA512
9bd6aa9ea48716af19a34270852a88141be3bdd0e8bbdb67d4cba8e18ecdea5d88129ccd237b6e568e4f6ba75f205597e6c0c4958f2e7348d72814b8e70d11cd

Download Submit
memory/2084-23-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2560-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2560-8-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2560-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download