e8c8a1de615418651be64c24f8f126d8e94e5700511c6af635302f56f3536c02

Analysis

max time kernel
150s
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
12-10-2024 04:50

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General

Target

2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe
Size

5.5MB
MD5

20b227bd524e84a3ae01e63a01cbf90d
SHA1

ac51bb815b96f55a44e7b047e4b450c41f0cb878
SHA256

e8c8a1de615418651be64c24f8f126d8e94e5700511c6af635302f56f3536c02
SHA512

30b05079d6e9def31161044085ecfdf4f1e1f167a01342737d77c367249313c7fde34825b9da465a6d770a9e0f37f23c5069f1af5fc69eec2ccda3575dabd684
SSDEEP

98304:ot1QKvyjzO6B3DenIMmzyxD++XsBq+JUieGNt3sB/a1Ed9m+UfK:otTvgz73XMpxDbcwYvt3sFa4OK

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
800	lossy.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	lossy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4784	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe
4784	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe
800	lossy.exe
800	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 800	4784	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe	86
PID 4784 wrote to memory of 800	4784	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe	86
PID 4784 wrote to memory of 800	4784	2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_20b227bd524e84a3ae01e63a01cbf90d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:800

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

Replay Monitor

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Downloads

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

Filesize
5.5MB

MD5
41a4b81b1082e7a18d699738e20a2a3a

SHA1
1601950e5ea9f1ba7eb354bebae09b6ac196d3e3

SHA256
71c21fc197d517b748ab65a957b1def09a40d99a707090f9c3dfed9d06e74ffc

SHA512
5715e854acaea1e67c64d110ad9eb038228ad9bb976ab5a974a0579411753a740dda7d2f6f3fa064aeeb4e06b109d1c0754098812aceda9ed41ff02eee185447

Download Submit
memory/800-22-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/800-25-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/800-36-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/800-28-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/800-26-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/800-27-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-6-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4784-23-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-2-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/4784-5-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/4784-1-0x000000000800A000-0x0000000008303000-memory.dmp

Filesize
3.0MB

Download
memory/4784-0-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-13-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-3-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-24-0x000000000800A000-0x0000000008303000-memory.dmp

Filesize
3.0MB

Download
memory/4784-4-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download
memory/4784-18-0x0000000008000000-0x0000000008884000-memory.dmp

Filesize
8.5MB

Download