Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10/05/2024, 00:46
Behavioral task
behavioral1
Sample
2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe
-
Size
69KB
-
MD5
1d352d74c3ff8daa989c41e4a9700cbc
-
SHA1
f83f23e91e9e0b44316ca052d224289f0180d0cd
-
SHA256
084715888527af9fa1f579c1530bfe3d6dc01d31be46872ce51d150eb8a6213e
-
SHA512
9565e8e1a623032e214bfb3e5e1481fb094477556d64dee8b925bf8f212ca27e32767d7a7b67cfb55e04c971af0f7675b7e3c58a895ef64b6f14c00c6db35fa4
-
SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQApF:78SEOtEvwDpjWYvQd2Pr
Malware Config
Signatures
-
Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1328-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00090000000235db-13.dat CryptoLocker_rule2 behavioral2/memory/1328-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/944-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/1328-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x00090000000235db-13.dat CryptoLocker_set1 behavioral2/memory/1328-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/944-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/1328-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x00090000000235db-13.dat UPX behavioral2/memory/1328-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/944-27-0x0000000000500000-0x000000000050F000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation 2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 944 asih.exe -
resource yara_rule behavioral2/memory/1328-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x00090000000235db-13.dat upx behavioral2/memory/1328-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/944-27-0x0000000000500000-0x000000000050F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1328 wrote to memory of 944 1328 2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe 93 PID 1328 wrote to memory of 944 1328 2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe 93 PID 1328 wrote to memory of 944 1328 2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-10_1d352d74c3ff8daa989c41e4a9700cbc_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:944
-
-
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=4028,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:81⤵PID:392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
69KB
MD5a730e8629ea55be8de39d48888e6e0d3
SHA19ca75bc7b55258b5d6b45c2b0030d38f3d564cd7
SHA256c36857dcdd5a6f3e658e9882c1ec160321f8b3c9ffb068d891858e1a4c1612c3
SHA512722ed51cd91a997a79decbdb2b706a7725e4b47a2bbeff25da61729f16cea628d8b1573acd16179f14044bad5fa245bd19faa175a1e6b24e5a3722dc5371e0ce