Analysis
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max time kernel
147s -
max time network
146s -
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 21:02
Static task
static1
Behavioral task
behavioral1
Sample
4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe
Resource
win10v2004-20230220-en
General
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Target
4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe
-
Size
1.9MB
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MD5
7e897816bfd13b9ea1d97aa419ee4a04
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SHA1
c0b234e1c3bbb582fc738b2760ae53ffea404f03
-
SHA256
4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea
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SHA512
94dfb74f2101437165eef30b8f067ac977ec16cc270b42e2dd24fd7e7d56c94b8572685f5aab71ff124bf220361246c3c4f148349e2a8e953d7a731a4b740529
-
SSDEEP
49152:eNs+8DCEmGEwFUDArdOxhXccs2YGBCsGI:eNsgEmGPWAmhuRGgI
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 4236 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" 4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 41 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4696 wrote to memory of 4236 4696 4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe 90 PID 4696 wrote to memory of 4236 4696 4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe 90 PID 4696 wrote to memory of 4236 4696 4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe"C:\Users\Admin\AppData\Local\Temp\4bb575fa434480978c50ef8455786b94f1bbaffb4186a4e08379fa550ec9aeea.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4236
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
742.9MB
MD508cc019915a72e35d643a3dc84134bee
SHA1c416d1ba2cabb21ddd4bd4eb57a6cdcece9949a1
SHA2561c0ec45e8b32321b50f1c32e8543d21ed8fa72ae6fec3fdd74bbc12b94144696
SHA512022829c7e120dc5120e37019352bf91f7f0b6d26ab8b798735f935dae82c000f4e35b827795b694f06120b71b71c19434c2534a54fba4c6814b95f41ad14f958
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Filesize
742.9MB
MD508cc019915a72e35d643a3dc84134bee
SHA1c416d1ba2cabb21ddd4bd4eb57a6cdcece9949a1
SHA2561c0ec45e8b32321b50f1c32e8543d21ed8fa72ae6fec3fdd74bbc12b94144696
SHA512022829c7e120dc5120e37019352bf91f7f0b6d26ab8b798735f935dae82c000f4e35b827795b694f06120b71b71c19434c2534a54fba4c6814b95f41ad14f958