Analysis
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max time kernel
147s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 08:32
Static task
static1
Behavioral task
behavioral1
Sample
5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe
Resource
win10v2004-20230220-en
General
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Target
5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe
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Size
1.9MB
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MD5
d6303b5e2715697555ca0a3fc515cf9a
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SHA1
6f3237546882a9363184b5450cd9806e65be1834
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SHA256
5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1
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SHA512
675dda1890f44de32b63946f2a9cad5a65b2cc50fe55152756f2abc3238c495faea1dec89e5bbcf181fb1cc6e3c709c1e8bfc5deae3cec8b835f3696252c9e76
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SSDEEP
49152:wyLf8FgO/T2/mQgLqaUO5EDkbw1etC8wZkg:jD8Fg//m3Lqa3AktKkg
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 1504 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 34 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5088 wrote to memory of 1504 5088 5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe 83 PID 5088 wrote to memory of 1504 5088 5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe 83 PID 5088 wrote to memory of 1504 5088 5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe"C:\Users\Admin\AppData\Local\Temp\5c7cb9a9b08fcef3597ee3c317d52e202895aaa9387727e7c68941740c8938b1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:1504
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
803.9MB
MD52c258869ed033e49e0d86709057addae
SHA1c77a365cd9fd8367ab686bbbb49c8102ec500964
SHA256a6b7ef1f6c3629575f89566baa9109c78c45180076017159251748d1f0e10fd3
SHA512d036cd2ff0916dee7b52113675f7e1c7e484abc85a71f89859b3039ec5684366913aaa818421c1df3b1bc861027fdea20f87727dab3d2180719334001f231db5
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Filesize
803.9MB
MD52c258869ed033e49e0d86709057addae
SHA1c77a365cd9fd8367ab686bbbb49c8102ec500964
SHA256a6b7ef1f6c3629575f89566baa9109c78c45180076017159251748d1f0e10fd3
SHA512d036cd2ff0916dee7b52113675f7e1c7e484abc85a71f89859b3039ec5684366913aaa818421c1df3b1bc861027fdea20f87727dab3d2180719334001f231db5