d1ba9b0a0c31dd933ff179dbde92be688c0394f56450856719531856e642d545

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 16:42

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General

Target

2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe
Size

40KB
MD5

1482fe226f183e8e28b53baee2e6e3d6
SHA1

3ed22d399f96d7329e3ac8d23120639bf6752847
SHA256

d1ba9b0a0c31dd933ff179dbde92be688c0394f56450856719531856e642d545
SHA512

5b181b05f9c6240f23761604aecb2bdbcfc02218d4cf5f102c00cdd59ede60f6c69c0b55ec80b6161904c89a7f6c124bbdb46b925a6c82e07c500a9ab0bad892
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0Upap:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XF

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2116	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_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	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe
2116	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2116	2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe	28
PID 2240 wrote to memory of 2116	2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe	28
PID 2240 wrote to memory of 2116	2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe	28
PID 2240 wrote to memory of 2116	2240	2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-09_1482fe226f183e8e28b53baee2e6e3d6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2240
- 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:2116

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
40KB

MD5
4e213edc6752954272995d5b86ffe8ab

SHA1
af9e8d7a511fe7bb1724672ba865d80ef5164fde

SHA256
7e6cc0a45439dbf8e6c41a20d8eafcb8989ab8cbe82b8864f65e1f9e0ba006d6

SHA512
ab17818e38e9d4d3d45acc1ff7020621a348fba2faadbe19265fdd59e0b9395edd51713383564205df7a3d330c099f8f183837a5063f676632d4d308d745873a

Download Submit
memory/2116-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2240-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2240-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download