Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 17:11
Static task
static1
Behavioral task
behavioral1
Sample
0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe
Resource
win10v2004-20230220-en
General
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Target
0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe
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Size
1.9MB
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MD5
61e1daba79cc659eb9b97edaaf2696b6
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SHA1
3f32d9eae234307a21e604c1858b4ea75bc4687c
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SHA256
0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53
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SHA512
6a6d5b3a581cc365746bc6a2415cd2f25f3d7489204ae9c8fe50555fd47313f60b3ac1a5a0fe22a2eaeac3545e7854f48776288a2320cec1e8772c9df3656d63
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SSDEEP
49152:0cY596ZofgmxUpjlHHaQoWTzIdh7usL7G0m2:0xvUofhsjl6QvzM7X7u2
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 4820 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" 0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 19 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 824 wrote to memory of 4820 824 0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe 89 PID 824 wrote to memory of 4820 824 0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe 89 PID 824 wrote to memory of 4820 824 0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe"C:\Users\Admin\AppData\Local\Temp\0b37bc474a4b6782abc6d250d5e34ae6e7d361f0e0c868f1cd683561ab7dea53.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4820
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
778.9MB
MD533e43814d2875b92ee41dc819d9ade9c
SHA1aeb484e14478c83872925a359564c3ca8254f9b1
SHA2569f7f31073c7e3c24c36ea7818b0f284eb5bf0885d1daada7fc1fb85c4fd43ccf
SHA5125a8a52ed11f61c28de8247cc913bf74e8111e62c2b8ecbb86b31e1faa1e48e178de20961565e3f1d443e2b4ba2407590070d3e003fc45f3b671716b352025707
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Filesize
778.9MB
MD533e43814d2875b92ee41dc819d9ade9c
SHA1aeb484e14478c83872925a359564c3ca8254f9b1
SHA2569f7f31073c7e3c24c36ea7818b0f284eb5bf0885d1daada7fc1fb85c4fd43ccf
SHA5125a8a52ed11f61c28de8247cc913bf74e8111e62c2b8ecbb86b31e1faa1e48e178de20961565e3f1d443e2b4ba2407590070d3e003fc45f3b671716b352025707