Analysis
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max time kernel
138s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 07:00
Static task
static1
Behavioral task
behavioral1
Sample
eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe
Resource
win10v2004-20230221-en
General
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Target
eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe
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Size
1.9MB
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MD5
a24cfabc78273aa5d5d997e780400416
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SHA1
2c8561e6d643225e0ad5e60abdc9516cc499a0c0
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SHA256
eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88
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SHA512
c384c069f8f93222174446162685673e346d8e3804b68fe828b2dc68ae8e8378da18e535e24f0d0f47ea04b8ead0c8e714abb33a3d7a31a697ce5d70532d0ea0
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SSDEEP
24576:YhmN/VqDyuURACBQiulRKvXgkllDFuJvimr57RpWwE+yJHXtVplrRSRJKD0pwNN9:YBybR/QKvHoimr9R9IXtVbqKHegv
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 3768 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 42 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 696 wrote to memory of 3768 696 eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe 85 PID 696 wrote to memory of 3768 696 eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe 85 PID 696 wrote to memory of 3768 696 eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe"C:\Users\Admin\AppData\Local\Temp\eb7affaaa61c0fa04ab3c31c9e7307116d5cf796aa810102605e7b09f27ffd88.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:3768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
819.1MB
MD5d0dc545bdfe7655a15c2ac6399d32120
SHA1bd1c6f99526ee4bae834d3ea725d3aa257933004
SHA2562875d706f01e9e39f80641a726034326af9cee04024984baf018957a5d10e98e
SHA51268f63628e9fdada9bdffdfb0fc291482fdbb5bb3d60d94ad5281b1d2c3b04797038bbd93d1d415299302e7e1af4790e142a3801a82d3bd2b0194ddd6e619c906
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Filesize
826.8MB
MD5d27488595f5c063fe471a3991a3e9b00
SHA1f74d8f9f97f78f73bb54e36f3d907f6b0e78982e
SHA256f9ae23a9dd7b739797d27a846cdcb2bda5f9f4f6458c35e053228bed3b5ddc13
SHA5120fa8519c60de41b531bb8d4f824a43ec90d9634405e7b762eccc1992dd145ee7061d7ecb5404abe0376a5f73ccc9a95855d9e2723c090fc3596a660010f1b330