Analysis
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max time kernel
150s -
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
18-03-2023 11:31
Static task
static1
Behavioral task
behavioral1
Sample
612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe
Resource
win10v2004-20230220-en
General
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Target
612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe
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Size
1.9MB
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MD5
e90f2482c026aab425f916f8c178350c
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SHA1
1bc4d3728e9eda9fb248d1aec58b22f9990c0a40
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SHA256
612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead
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SHA512
fe91ab479db3ded438b41a638494d58901957a0ac7d6d80425d2048aff069791008ce6bf8d343bd8f54c3e2cf032413afc574a5ee76c4957551ac14fa197b900
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SSDEEP
49152:QcvCEnJ5rrgx7U/FFOAnh0Q7OuQJL/KAF4pJJ9peX9:Q0tJ5oxodTx2JR4pJJveX9
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4884 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" 612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 40 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1336 wrote to memory of 4884 1336 612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe 88 PID 1336 wrote to memory of 4884 1336 612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe 88 PID 1336 wrote to memory of 4884 1336 612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe"C:\Users\Admin\AppData\Local\Temp\612b18a70f6dab4cf630c4892bfe908e0eaa7ffc9411f3ac2bb37f25e3187ead.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4884
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
735.9MB
MD50d725e8c688e4d7b757b11b5411348ce
SHA1174805cf17b0291e84da79bc47c867d2225ac150
SHA256dd3d8cba74b40518a6781476b02da254d4bd1fc8ea0d90e7abb364f60d26c080
SHA5126d465ba7534e88030e859edaf243025e488e9abb5b08d921e59d972b18767385eb8d0e6437f6b46f511786d5aca3c0f04ee14ba2284decb78a179310f6dc0898
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Filesize
735.9MB
MD50d725e8c688e4d7b757b11b5411348ce
SHA1174805cf17b0291e84da79bc47c867d2225ac150
SHA256dd3d8cba74b40518a6781476b02da254d4bd1fc8ea0d90e7abb364f60d26c080
SHA5126d465ba7534e88030e859edaf243025e488e9abb5b08d921e59d972b18767385eb8d0e6437f6b46f511786d5aca3c0f04ee14ba2284decb78a179310f6dc0898