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 16:51
Static task
static1
Behavioral task
behavioral1
Sample
73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe
Resource
win10v2004-20230220-en
General
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Target
73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe
-
Size
1.9MB
-
MD5
a28137b2430f3dc53a56c6e5c8473ddb
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SHA1
227c821a7d804c300abf0ff965caf10a43304124
-
SHA256
73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b
-
SHA512
88710589fdd09ca2265e576c635e2803cdb117dc95c16df0d1612ed546f4267ceb0d33f46977e5bbe49f77c1260453755ff415a0ba6960baea126f586b6704f0
-
SSDEEP
49152:XIG8Gkz9bf03CKu31Nkl3glJ2u/3H57L:XIGpkBwyKu31NklQ9/3
Malware Config
Extracted
laplas
http://45.87.154.105
-
api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1320 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" 73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 21 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2248 wrote to memory of 1320 2248 73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe 86 PID 2248 wrote to memory of 1320 2248 73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe 86 PID 2248 wrote to memory of 1320 2248 73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe"C:\Users\Admin\AppData\Local\Temp\73eef036c89bcd8ce1318908f931630803790b6394daaeddec21a8992ec4e71b.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:1320
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
807.9MB
MD5b6e0e85be74dc7668d8f83dc94d1fc01
SHA1c83e0924325519bf65571869a2baa02784eababf
SHA2566aeac6e9001f8e5b39b794d176dcbd28de8b4fa34b06756efd0d061c3b906670
SHA512f39decf4983b932a35e2862d53481858ddb0257960e5ed615a4841c3fa6f4c3389e3cb335b9929f10e5c51f67f8a7bf84399bac66c580ab1141d54cb4541b696
-
Filesize
807.9MB
MD5b6e0e85be74dc7668d8f83dc94d1fc01
SHA1c83e0924325519bf65571869a2baa02784eababf
SHA2566aeac6e9001f8e5b39b794d176dcbd28de8b4fa34b06756efd0d061c3b906670
SHA512f39decf4983b932a35e2862d53481858ddb0257960e5ed615a4841c3fa6f4c3389e3cb335b9929f10e5c51f67f8a7bf84399bac66c580ab1141d54cb4541b696