4235c5b5f314d546c9f6345492bb8911698e6cfbdde5751cc6c187d2e25ecd44

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
19-09-2024 05:32

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General

Target

2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe
Size

62KB
MD5

aa6a0e1833d805dcfb8b1cbc854777af
SHA1

1817d8bca5cd45a56c338dc5e0b68319982b388a
SHA256

4235c5b5f314d546c9f6345492bb8911698e6cfbdde5751cc6c187d2e25ecd44
SHA512

30ca9e6ffe328c5e89061b2fa2d9009236b377d39dce59494ab914859dd38f86f76eb4299ae793808b3ead35861fa67ffab6e8c32e929ee90aca37b5364ac3a0
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293X2K:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7x

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2780	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_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	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe
2780	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2780	2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe	30
PID 2192 wrote to memory of 2780	2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe	30
PID 2192 wrote to memory of 2780	2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe	30
PID 2192 wrote to memory of 2780	2192	2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_aa6a0e1833d805dcfb8b1cbc854777af_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2192
- 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:2780

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
62KB

MD5
c28e48a5f311eefb340096a176471af3

SHA1
794ba85d29c7d4fad4a64fc766b3bbcd423eeefe

SHA256
334d6b722572d7aa4f30b63ee7e2ca26a4717f033c2ec60a5d066f4a693c140e

SHA512
931c921b1f032eb41af2b094963c0a972f21d3ee16dde491da1bcfd766b6a94edbc02a3554ecfa87a77212dcdf770f584ab4964a18de02f813e992b6d6acc3d3

Download Submit
memory/2192-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download