Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14/06/2023, 14:54
Static task
static1
Behavioral task
behavioral1
Sample
conhost.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
conhost.exe
Resource
win10v2004-20230220-en
General
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Target
conhost.exe
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Size
4.0MB
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MD5
feccda803ece2e7a3b7e9798714ad47e
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SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2
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SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320
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SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287
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SSDEEP
49152:jEjwvlIKv05z+UERnIcYmWjc3Cdh+5E9UFiqeb0/B1:RlhWzZ6hjEciqe
Malware Config
Extracted
laplas
http://185.223.93.251
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api_key
f0cd0c3938331a84425c6e784f577ccd87bb667cfdb44cc24f97f402ac5e15b7
Signatures
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Executes dropped EXE 1 IoCs
pid Process 480 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" conhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2136 wrote to memory of 480 2136 conhost.exe 82 PID 2136 wrote to memory of 480 2136 conhost.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\conhost.exe"C:\Users\Admin\AppData\Local\Temp\conhost.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
808.7MB
MD5fbb3e6b2154af1ff13d7c567d6f4fadc
SHA1488bfe5dd245c11af4d7415d8cf5fb975167a3b6
SHA2563e3671b8878cb299e163901d4765b675a849c9399e3940eae22b8bec45cdbbd3
SHA5121f2465e36de2bc8ab76c489605c3d8c88799725f7433c73073d6eede21b48f38cad43543a4b9aa43710c8bb0116631a8ff27553d4caefc675d0804dd0d67a180
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Filesize
809.8MB
MD56ea9f8c815b85db322b6c0a8eb067d58
SHA1e7d2de191b67c9a0eaa1432416b63bdf4a0d0890
SHA2569390447748d7c21aa544ee5b12a91f1867578796403ebc5494e2a02bd0d9466a
SHA51219b0b505c8f275fbc9f01303dda2292d98d705072a17afaf02e2944f9f20b17835179cd8ccb6d2c295574f5963bf7ed0aa4b5ce6431a0c806de0fe5bd8fddb30