48a4b9ba304d0aaad714f9b97f75e59646892eedb819b3fe151b459bb7ed8f49

Analysis

max time kernel
140s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18/09/2024, 19:37

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General

Target

2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe
Size

42KB
MD5

a32eff28059c33841a5960e0411b8510
SHA1

c3d9467f60564d474f47aafb2e6f85d8206532f3
SHA256

48a4b9ba304d0aaad714f9b97f75e59646892eedb819b3fe151b459bb7ed8f49
SHA512

96f1d34351eb7bfc3c4e5b6ca56b7f3f2abd32f1d7861c6a5b961b76a311b5292005d6ae4c32972ba4d844b35e16807940323e8ce7f2569bf24146aafc21d9b8
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxo:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2708	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2704	2024-09-18_a32eff28059c33841a5960e0411b8510_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	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2704	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe
2708	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2708	2704	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe	30
PID 2704 wrote to memory of 2708	2704	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe	30
PID 2704 wrote to memory of 2708	2704	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe	30
PID 2704 wrote to memory of 2708	2704	2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-18_a32eff28059c33841a5960e0411b8510_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2708

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
42KB

MD5
393e23e1864a69899179a2a8142e5c51

SHA1
5333978f6f9e89c6b5a0f97a806f1b0bdf0bd7bd

SHA256
3780a0c8365131f603346f5f79f52f36a9241a3f010e838fad33cee07bc97a28

SHA512
532000efe71e63fde65728a4e64903fb108e86121988de58b956c5f0e52aa376df72d2b704d16e8cc484e03a5366cd2f38141261bf567175ae318933d4d365ad

Download Submit
memory/2704-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2704-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2704-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download