Analysis
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max time kernel
137s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
10-08-2023 17:01
Static task
static1
Behavioral task
behavioral1
Sample
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe
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Size
4.1MB
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MD5
b30e29bccabab032c27910210d9ccf76
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SHA1
caa3927738b66c3ecc553943eabedcbbfbe4c0da
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SHA256
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2
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SHA512
ce8348d0547de624b1bf19804c87b1e0379d29c5fe585d0ac602f51dd1bab90649654b87ebd236eef593829757d182ae16facbd5c2710bfecc87837c63a495a8
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SSDEEP
98304:BTq01m8gyX4fG9VNFJgAvUvc7uqBbDKxh4vU:BG0tgyoelMv+FAhwU
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1568 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2660 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2660 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe 1568 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2660 wrote to memory of 1568 2660 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe 30 PID 2660 wrote to memory of 1568 2660 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe 30 PID 2660 wrote to memory of 1568 2660 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2exe_JC.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
347.9MB
MD50a9d1d2ce1fdd30d99e35c76203111ad
SHA1bdae2a50b831587b81832d0f854d2a76f3cf7c6b
SHA256ae79163114653aa7a71f0385ee38dc3ea7a35730a37950912efc6733d1106f19
SHA512a6339674593a0ab36ca689ab13d26cd39076fd5265548898e9e77fdeab166ed504d03128f757bd0269abe6bede599ff516cb0e7f1bcef5b0611c110a6a1b707d
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Filesize
345.0MB
MD54694b224c999234aac1d828bbbb148b5
SHA14c67f91aba48092a318e71598e6a440ca2d7cf0e
SHA2563ec61fa0871702b7e80a7c0727598c7ab0fa6a9d009b282a6e9fbf91e6f2a2b2
SHA512300ad3cb917cc0439885743453e6c4b6f082789759f80ef8b32d70371b8b4157970e44127a984d1daaa3318a159900c435efd084019960a8d49b7fcc851abe7d