1e2d6892d1a78e4209806ea86eb87407502771738c5a4dc2cd92c78787b20899

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:14

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General

Target

2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe
Size

40KB
MD5

f20f620193883b20172916a0d3c33932
SHA1

99a365f47c611c06f01901e762fe2f5b8e0ea176
SHA256

1e2d6892d1a78e4209806ea86eb87407502771738c5a4dc2cd92c78787b20899
SHA512

7ad7fc15f01d0967decbab30fb6b355e705d8611d6d39faa6fca8e2b23dcc75fd7d7b919475770fc1d1996427e7d2651e8fa54772ef260bdbd4e642858a5a1fc
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0WZyx:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xf

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2936	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	2024-10-31_f20f620193883b20172916a0d3c33932_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	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2536	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe
2936	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2936	2536	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe	30
PID 2536 wrote to memory of 2936	2536	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe	30
PID 2536 wrote to memory of 2936	2536	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe	30
PID 2536 wrote to memory of 2936	2536	2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_f20f620193883b20172916a0d3c33932_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2536
- 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:2936

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

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Downloads

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

Filesize
40KB

MD5
7c98be8261de72d03bc1975b9644e991

SHA1
147abfe614b3bfff7212fd52fae2c46848cb0ce3

SHA256
df49647357cbc6312da410f113b031ed6d2e0bdbd22cbc7a094173dfbac2bd7f

SHA512
f1a626bb6e1c22de663a2150c40e800309afc496276b9474a38eb23f66c94816e9abdf9d01943f31ac6983acb2c993047dbaff38ee608904641ef84a6b29fdf0

Download Submit
memory/2536-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2536-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2536-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download