Analysis
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max time kernel
135s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
17-06-2023 14:01
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20230220-en
General
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Target
tmp.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 4284 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" tmp.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 18 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3336 wrote to memory of 4284 3336 tmp.exe 83 PID 3336 wrote to memory of 4284 3336 tmp.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3336 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4284
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
591.4MB
MD5e42e37dd34f457aae31d09efa528b825
SHA1d058a1e4e4063801d819c807da6f4ebaf6b4a9a4
SHA25644ed048cda7b3c4b386a5655c4fe497076443e32786c61e45529820aaf199de6
SHA5127741b2f7615cef2f69783471134cfec0d013fa27c3fc587fc1686eb1b03c00d90fea236813f9b8b0979ad2a3402c038f09024eb767e8181ac7bcf7bc38b73f2f
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Filesize
551.5MB
MD5457d7cfd97a1b2ac65bbed2e276cb43d
SHA1e5aa517faf705f9ef33dd1bd3050c6c7092f13cd
SHA2564b1b35c6d10a92ddddf4c1ebedd0a70236d85ed9e3e94817d867decb2f19767f
SHA5122ee0dd1aea0c626dd111cce853665405101494e41de570694d39b45849cdd7c15a68d2ed3826aa8aa2d46813cc937b884b2cac2d5e6412ea332e7282aeafb5b6