362083012391a08fe217de3135b112b67b8068a96b0da440acade986486593db

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2024, 06:52

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General

Target

2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe
Size

36KB
MD5

d207de3f59a8310194a5d05837cd4469
SHA1

adc164ab1de504bb4f9cda0fd40cde45a192d3fc
SHA256

362083012391a08fe217de3135b112b67b8068a96b0da440acade986486593db
SHA512

339a2d71951fab3cd59c0d38d37dd4f7d179d7b472bba31ae6c4db01d076f507a9d734115edda11407f891190a1165ef1a784f299fbfe9cefb1c700e896916d8
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBjb1iIJSFlWvbH:X6QFElP6n+gJQMOtEvwDpjBngHnyH

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023228-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023228-12.dat	CryptoLocker_set1

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	2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	asih.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 2176 wrote to memory of 2012	2176	2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe	84
PID 2176 wrote to memory of 2012	2176	2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe	84
PID 2176 wrote to memory of 2012	2176	2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_d207de3f59a8310194a5d05837cd4469_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2012

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\asih.exe

Filesize
36KB

MD5
86b957c676eda019325dc2a758ed189b

SHA1
7e2211188b58386105d5ac917f28e474634ca452

SHA256
112a65cbe7fe88a8031a0cc10acec93a87b8619abc1b26d99077525b4eeb7dcd

SHA512
348bc1fd196380eddf5dd5c27b9a276e595407b89dd30519b9703185f97f71477bac4a2d4eb0b6e5ab857148fe6c4ff5ef9afa2793c9b717a22ddf2289152625

Download Submit
memory/2012-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2012-18-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2176-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2176-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download