790706c25821c13aa7b5f57f129b799eac441e1e6c3fc7a5213af9fd77cb50d3

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 21:53

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General

Target

2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe
Size

28KB
MD5

c14cf93c6da58c589f63919ca1f33660
SHA1

a5b0635d7c220bd57f70ce1106805e57820dd977
SHA256

790706c25821c13aa7b5f57f129b799eac441e1e6c3fc7a5213af9fd77cb50d3
SHA512

dce34741f61e5515a809bff132a11df3de61feba6d4c7c22906441fca1c1bf9de8890b1c935a49acac022aabb68c0094e3277146406310e96b49933d68cbb78e
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCU:b7o/2n1TCraU6GD1a4XU

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
432	rewok.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	2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 432	2284	2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe	85
PID 2284 wrote to memory of 432	2284	2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe	85
PID 2284 wrote to memory of 432	2284	2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_c14cf93c6da58c589f63919ca1f33660_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
28KB

MD5
5d5b1f0fc3e64e32c216bf4652716aef

SHA1
11aea16bb33f64821bbf6c684ffe4987387359fe

SHA256
994e639066572f6bd175cd5fa55d4deb7e21f36b70422d66a132d455c52bc0ac

SHA512
0ef9d5ccbfa71ed54b841f0de4cb0dbefbc00051242659db62121b87fa7dca0d69daf75c27e499c7e50f7be4485337377d09dbca8a8e3e2ea018c6fc3426084d

Download Submit
memory/432-25-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/2284-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2284-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2284-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download