1440c7a9816aa0b37fa574c60b3c848755dc61c1cafd4dfe4762dc7459391217

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:09

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General

Target

2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe
Size

49KB
MD5

eb6e361ccd0858c7fef74d5b872f1b3d
SHA1

a048c5e0e2dcd48da381f9362c563051256f78ef
SHA256

1440c7a9816aa0b37fa574c60b3c848755dc61c1cafd4dfe4762dc7459391217
SHA512

5c2ba5132a98fc2bf4cc3bf98e54afcd618dce7f4bc95b611372ca3ca8ab38d0f3cc0670182944a7a5a77b18a9ae315398dd346819642ba86b43f69d72e0806d
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshM:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7l

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3012	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_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_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe
3012	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 3012	1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe	30
PID 1288 wrote to memory of 3012	1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe	30
PID 1288 wrote to memory of 3012	1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe	30
PID 1288 wrote to memory of 3012	1288	2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_eb6e361ccd0858c7fef74d5b872f1b3d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1288
- 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:3012

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
49KB

MD5
767bd0826efa4cd989d2c91dccd6c330

SHA1
4e8d639a38cf30073dce996b948dfe45744261bb

SHA256
800bee5955578088030dcd4c9663dd14f533eed658a4c962951246c19a362ca4

SHA512
b47d526a53036ceeada346219268e6fc1c217d40c42376809b2dff3995c6208eec786011fcbabcac651e3b38822a1e7f2b4039d269489f4187e7b71e4bd6373c

Download Submit
memory/1288-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1288-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1288-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download