Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 17:03
Static task
static1
Behavioral task
behavioral1
Sample
d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe
Resource
win10v2004-20230220-en
General
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Target
d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe
-
Size
1.9MB
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MD5
5479c2f6ef15bf5552e8d1040988ed2b
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SHA1
24f660f9d767467ac3a60348741e25c4d428b70f
-
SHA256
d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766
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SHA512
ee035a04196db93ca4d6c07cf15dcdfc8bdf367a5a00d9b14b5bd0e6ebda96a4bed1b71964c4fda0ab509f3b69ea6126c6e2aca710ca3ab74061a69c3f8f515e
-
SSDEEP
49152:LldUyBTZpMFSbP8fzTSwr1UZR9xpc3oaJqRC+7:LlBpW40fSJZRPpeJMT
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 5112 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 24 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5024 wrote to memory of 5112 5024 d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe 88 PID 5024 wrote to memory of 5112 5024 d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe 88 PID 5024 wrote to memory of 5112 5024 d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe"C:\Users\Admin\AppData\Local\Temp\d36ac039727d2f47fe176d3332520fae78574ccdf4790dd5b2f95430540fc766.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:5112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
811.9MB
MD5196247f96e6084f33710903534818a76
SHA147c952d6defc244679227cd9c9983978361cf569
SHA2569d224e1962708f79944f84b1be763ff2c1bae5dfdea3b2bd20a62d57401da724
SHA51272b658fb3381b6450ddf1359cc9af9b6cca8d945b62a4c264c63b9d3f89919efae919ee9829f9f90da8dc2a41ae93a814ca7fa98d627fc0b98f0b2da34dcc48d
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Filesize
811.9MB
MD5196247f96e6084f33710903534818a76
SHA147c952d6defc244679227cd9c9983978361cf569
SHA2569d224e1962708f79944f84b1be763ff2c1bae5dfdea3b2bd20a62d57401da724
SHA51272b658fb3381b6450ddf1359cc9af9b6cca8d945b62a4c264c63b9d3f89919efae919ee9829f9f90da8dc2a41ae93a814ca7fa98d627fc0b98f0b2da34dcc48d