Analysis
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max time kernel
148s -
max time network
139s -
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 13:40
Static task
static1
Behavioral task
behavioral1
Sample
9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe
Resource
win10v2004-20230220-en
General
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Target
9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe
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Size
1.9MB
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MD5
ad71a24d622cbb5f8335ead026d1bdfc
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SHA1
f95ddc723a16ed62fc670069a2e33e358ff68faf
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SHA256
9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98
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SHA512
c5fe10a019dabe6cac7e2b50c3e5e2616a66a35c46d7aad600f501a1afa71020e53527c13a3e1bdf0606d362a4c13ed36cda44b2cd8be06cc330d4fa4fca47f1
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SSDEEP
49152:KQMNpBLv05kosHTzRIMvQyxmNTD/dscF96zpP6rF/c:KNNLvGkJTywxmIpzcry
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 4064 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" 9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4756 928 WerFault.exe 84 -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 20 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 928 wrote to memory of 4064 928 9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe 88 PID 928 wrote to memory of 4064 928 9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe 88 PID 928 wrote to memory of 4064 928 9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe"C:\Users\Admin\AppData\Local\Temp\9178d0152c7511a2f09a96a647508c211ad860780a50a753ed4c22c0fd71ec98.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4064
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 4922⤵
- Program crash
PID:4756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 928 -ip 9281⤵PID:4320
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
795.8MB
MD577e18c31ed609a688cef41c9bc7bf069
SHA1cd1c0b985bb1f71ee641184561dac189b1c87811
SHA25621f4e6febe0326b3b1be9cb42d3a9ac3054a42dae2ceb8c7b0920d9bfe33340d
SHA512523043a50939b5affaa4bb20c9583fde37fd1b92c824954b73744be3aa653756faa9d65d85edc8aa1bac6376141146b49e5a368122ad25d44fa8e6dfee21e4d5
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Filesize
840.9MB
MD5d77e125819212c9ce80c7f3bf0ae3747
SHA19a2623a6886a2cb8f8a18c4b73293967ef91b7b0
SHA2566212bf5f09a198659e6aa556b4246c64a4fd2c17600bb15553360e3809fc22c4
SHA512d7ed6dc57aa7c4f4d0bc9b657aef0548ac5c96b491ecd8a823fce04eb9f5e89227dcda44520bf1862a014cd84ad51523022ecda472d2a19f7f7d1ed82ff5e573