Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
17-03-2023 19:20
Static task
static1
Behavioral task
behavioral1
Sample
a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe
Resource
win10-20230220-en
General
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Target
a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe
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Size
1.9MB
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MD5
bffa52b5cf6599656807cd59666821d4
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SHA1
a5b4f03c320488e0c616c7070166c3eccfe235c3
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SHA256
a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951
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SHA512
6cc12e483dfb8e6680621fc5536158211c26ab82191db935731c3667a3c44c135edb34ec10809bb4a1ec8007eac8f2af424e130d8810ed34370ef9b9a9fa94c8
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SSDEEP
49152:AtsFLm7INZOOBfPcdTG9I83aewdjxB0n+2Jlzwz0:At2LmCOOBfEdTXiwd0n++lR
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 2016 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1604 wrote to memory of 2016 1604 a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe 66 PID 1604 wrote to memory of 2016 1604 a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe 66 PID 1604 wrote to memory of 2016 1604 a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe"C:\Users\Admin\AppData\Local\Temp\a79893e20ce928c0dee25e1f6d64f7e88cdf7cf0db83e923decd0bf643f0f951.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2016
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
623.0MB
MD507401a9e721605db5a17d00d9bf58e2a
SHA1dbdb00f88bfff661e6ca754c55ad7068ccf93fd2
SHA256b336e61f13b2b7488801e369065e681270a86b4834220e96a9061a8b78359d7a
SHA51297a44772d753f31a3fd96539d6fbbe37f7733e18c1e664c8b74d72982535141c544fb672cd86548b2696c1315ef3643d99fb692b6bd85b1fe735317d4ff9adf1
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Filesize
700.8MB
MD522ab87ce33d709bc1320ebe30363ebbe
SHA136fb0b5006dce17ed5eda305fdd796ee49c61d6b
SHA2568eff538637551ad45a67a2230e33636fce248d0badf9df0b0cfba00fe0c52dc6
SHA512737a591930a33e9a2078f33b0bd3adb0c0a9ef877eebfe13093a074acfe7d474b1f6e541cabaca867b031d79979f86674ae47f70575a815b168e56a54de6afea