ea561dcb1b4f3de86814f77104a745c079c79034c12b8526d8104680dc06a394

Analysis

max time kernel
163s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:42

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General

Target

2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe
Size

49KB
MD5

70c28db51ff20ea87bde5ff5e253f8ae
SHA1

81b7f66f225a5bbd95449e9c5cc79e64809f36c8
SHA256

ea561dcb1b4f3de86814f77104a745c079c79034c12b8526d8104680dc06a394
SHA512

3da4fb665f864af08d63cc0b8912f547ab0887ebd0780b554b37781969e1efe8b28c5298c3aa171b9e6d1bba5abcea8ab3a4fd06e56248086236efab6d937766
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9lH:bIDOw9a0DwitDZza

Score

7^/10

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1156	lossy.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 1156	4592	2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe	91
PID 4592 wrote to memory of 1156	4592	2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe	91
PID 4592 wrote to memory of 1156	4592	2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_70c28db51ff20ea87bde5ff5e253f8ae_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1156

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
49KB

MD5
717d0a57c78b7a934bef9e25ddfc704b

SHA1
03211501aaa3b3c11423135d9b9088b62d4ddf8d

SHA256
3b5d88763c1f233bd4f969a7d2f0a7a768fe0d5732c3e6e6f7476d92ba1051f3

SHA512
6fde1e3693e17f91d76e17f85c3d2097ef6753c4690bb6ba47f602bd9ec34657a049420cc1e8be9c45cc5fbb04a129fadf525fc420d7d60be54a7477238e2892

Download Submit
memory/1156-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1156-23-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/4592-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4592-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4592-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download