982aee2d46ea4157090d07bfa90b8a40f7f79eed4d7cda3c5b42d024b3d4eae7

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 07:36

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General

Target

2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe
Size

46KB
MD5

672f35cf55f4e4fdc310b6c50228a9f8
SHA1

4b61f096de12bc0d624a0f4916d4cc68091426c9
SHA256

982aee2d46ea4157090d07bfa90b8a40f7f79eed4d7cda3c5b42d024b3d4eae7
SHA512

c7aa45d028343c78606abb075b37490ee280781c248747a287769ab7cb760ff2dfb19c64614f73e61a59187e671530699cd6a06910e638a9a6e4e9ac0af8c5cd
SSDEEP

768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zx:bF/y2lFizbR9Xwzx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2796	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_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	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe
2796	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2796	2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe	30
PID 2080 wrote to memory of 2796	2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe	30
PID 2080 wrote to memory of 2796	2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe	30
PID 2080 wrote to memory of 2796	2080	2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_672f35cf55f4e4fdc310b6c50228a9f8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2796

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\rewok.exe

Filesize
46KB

MD5
028f43271eb5f5f0bcb923ea28f10196

SHA1
86ed9d5cddf1f459777f311e35202e512cd06cac

SHA256
c68205a18f0a8fdf3b2f159bd6a625800df6034a4ec367a8f1794b38b1afd3d3

SHA512
24e8528ad019c5c336af758ea85486e8d23410769bbc019dc4b0434c20f47564cac7b0e5036f34f2af0b195077e27426b0ee9b7d6370284fde76139cb451467c

Download Submit
memory/2080-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2080-8-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2080-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2796-23-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download