af8d67e28483b93b9de6b858c2b993a751d462fa893e24d603754c730987205b

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 05:12

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General

Target

2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe
Size

86KB
MD5

32e0e640b5323f6a9f97acd66a2114a6
SHA1

7b53993df6c8e1b751e20567379def9c41b85cf3
SHA256

af8d67e28483b93b9de6b858c2b993a751d462fa893e24d603754c730987205b
SHA512

8f8cf238172cb3940e178eaacd25c5719e196e86848f5c84c42af84f3f6c2f48e48246023a57a78cf38db75d185135bb18b75f6279012a22b18a9fafb912150a
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6a4:V6a+pOtEvwDpjvpM

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4816	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 3056 wrote to memory of 4816	3056	2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe	90
PID 3056 wrote to memory of 4816	3056	2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe	90
PID 3056 wrote to memory of 4816	3056	2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024052132e0e640b5323f6a9f97acd66a2114a6cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4816

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3940,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:1504

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
86KB

MD5
c1614cfc5b77873c7d3d447ec5db26c7

SHA1
e318de08acc5a4c7e51964b945b0de0cf0634e40

SHA256
9d897257650169eab18ecd2c92f238049649cf50791ece4b31ad0b7bdd305faa

SHA512
7a19f8a4e8cb3663144ea93e9eb82b15f187dc747d5a95edf4afdd331c6d7715165e07277f5dcb68284825fa91ec101cf944883f5392170fbcd853e40c5eae8a

Download Submit
memory/3056-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3056-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3056-8-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4816-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4816-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download