b14df68e646e3c8f0abca4a93e393df9cec3ff77b2eec5616e601d984577426e

Analysis

max time kernel
19s
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
10/01/2024, 05:53

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General

Target

2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe
Size

38KB
MD5

4ccc4262c5fe792f29d87e941c4e26c3
SHA1

f289c91338a7f80ee9ea4b058734577aeb2032c5
SHA256

b14df68e646e3c8f0abca4a93e393df9cec3ff77b2eec5616e601d984577426e
SHA512

ff00c17c7c0c80d7cf0e4bd48c184419fdab60d7a12eb5c35c4426e69646acfaf50f82a56efcd19128f1c72f56c91b33ad284b3eddde773ea7ace5b00ab3842f
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rhMT:bgGYcA/53GADw8ClrhMT

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3660	hasfj.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 444 wrote to memory of 3660	444	2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe	40
PID 444 wrote to memory of 3660	444	2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe	40
PID 444 wrote to memory of 3660	444	2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe	40

C:\Users\Admin\AppData\Local\Temp\2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_4ccc4262c5fe792f29d87e941c4e26c3_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:444
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3660

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\hasfj.exe

Filesize
38KB

MD5
0c3c10facb5413ea8f340a7aaf725ac3

SHA1
eef27d979bdedb883c769781217a0159ef15939a

SHA256
4425768e742149eeac1d29a4ad6960cef2862519491452695d4331e5b2ec604e

SHA512
99985fa20028af1e831c6ee210311656b89ea5c60a830fd5c4e49d0a465d21020a0bfea223393d1c8487e9d07799a9c2fc1ff0b74c02702b9fe706acc43985aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
18KB

MD5
89662d49695409492bb2d7584e5db26f

SHA1
427552bd0f5a664b7431ec735cd10e0f0a1f6e20

SHA256
514c430d6a6a1f14b298eee3eab9ad2762f773379f7bde849b88dcf83b7fd4d3

SHA512
8e9c61c53aaba1b36f5ee8038004af756e0cf8c41ef23f5d8d0bd9770960a0cf408cc2b3772c1f22e6ccc4c32875dd7abfbaab3de09303a770eb83647f3ff60d

Download Submit
memory/444-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/444-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/444-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3660-17-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download