Analysis
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max time kernel
138s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2023 20:11
Static task
static1
Behavioral task
behavioral1
Sample
35a38087ca29b3ad34f4bdc30621c409.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
35a38087ca29b3ad34f4bdc30621c409.exe
Resource
win10v2004-20230703-en
General
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Target
35a38087ca29b3ad34f4bdc30621c409.exe
-
Size
4.0MB
-
MD5
35a38087ca29b3ad34f4bdc30621c409
-
SHA1
444b346f51169737596b497aac18a9d536b229ce
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SHA256
836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24
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SHA512
71ba2ad10bba8cd31480170d05c1e9b32c48280bfe50abc4348bffab51cbc1d919ae53d65fc058b81f3c6fad4c45a45302c6bdae7ce4716ef3a075a86c4b7969
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SSDEEP
49152:oEjwvlIKv05z+UERnIcYmWjc3CdhT5E9UFiqeb0/B1:elhWzZ6hCEciqe
Malware Config
Extracted
laplas
http://206.189.229.43
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
Signatures
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Executes dropped EXE 1 IoCs
pid Process 456 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 35a38087ca29b3ad34f4bdc30621c409.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 17 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2440 wrote to memory of 456 2440 35a38087ca29b3ad34f4bdc30621c409.exe 81 PID 2440 wrote to memory of 456 2440 35a38087ca29b3ad34f4bdc30621c409.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\35a38087ca29b3ad34f4bdc30621c409.exe"C:\Users\Admin\AppData\Local\Temp\35a38087ca29b3ad34f4bdc30621c409.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
708.0MB
MD5a3f6c8237236a4a45d2303d419eca242
SHA15bc438a6155079202f11445d389068f6442cb7ba
SHA256e2c9ee1100c79b69804a1753bef05c7d03ad96a4730dd3e0bdb38f1540fad37f
SHA5128caf69ba9fb4c5fe21c893adc73bb803431c63ed8d1d2f0241cd1204f6e506ae902dc73b989baa6e52d051b0229e7efe8b3a3d2fc3db89b02629536a6492a791
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Filesize
708.0MB
MD5a3f6c8237236a4a45d2303d419eca242
SHA15bc438a6155079202f11445d389068f6442cb7ba
SHA256e2c9ee1100c79b69804a1753bef05c7d03ad96a4730dd3e0bdb38f1540fad37f
SHA5128caf69ba9fb4c5fe21c893adc73bb803431c63ed8d1d2f0241cd1204f6e506ae902dc73b989baa6e52d051b0229e7efe8b3a3d2fc3db89b02629536a6492a791