886a279bd67403b1d520606bf876c3d6759f126a5d8fc557b6f97b9b07278202

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 18:26

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General

Target

2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe
Size

50KB
MD5

88545671fe9288c4656b94625b4bdb91
SHA1

473895b8a47b3b4115a354354757a4ce2f2e0f80
SHA256

886a279bd67403b1d520606bf876c3d6759f126a5d8fc557b6f97b9b07278202
SHA512

50e8768017ab77a54ad3fc04409b304898c86cfe9f2459ecb85243783a027f30e5054e1194fdf6240bd34e1b4b44db88d0a6de49165d4e04bb877114aff5ed2a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvsTz:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvIz

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	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 2728 wrote to memory of 4576	2728	2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe	84
PID 2728 wrote to memory of 4576	2728	2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe	84
PID 2728 wrote to memory of 4576	2728	2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_88545671fe9288c4656b94625b4bdb91_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4576

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
50KB

MD5
6b88fc9d8ec532507fbe8ccff41a2376

SHA1
5124ec3e40beb1d0754c809d5b4d5c69c4a712aa

SHA256
9234ad701353518ded8789be4e2051911d2612109ab4d1a5f47387987efbc410

SHA512
815c4446eed8d993660f7a2f85f793d94353478eb622c9a96333e6796295294a2a699f5170d1aeeea7ccf1fab5a4a510442c38f854681fbe9fd3a66091d9739b

Download Submit
memory/2728-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2728-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2728-2-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4576-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4576-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download