Analysis
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max time kernel
140s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2023, 08:47
Static task
static1
Behavioral task
behavioral1
Sample
KVC PO1100538819.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
KVC PO1100538819.exe
Resource
win10v2004-20230703-en
General
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Target
KVC PO1100538819.exe
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Size
732KB
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MD5
4fb089125b75694036d39124584c0374
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SHA1
0ce940199d1da05f9ce9834bf831be7b4fea0562
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SHA256
7e961fe6e69522736f067afa59213ed1fe4118a470c9cf272cf15189ff47bf7a
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SHA512
fe2eb29efa6eef24f266e3e930e689f79a7289e6a005f297b4ef501656c966d407ed17af93c2c11e2b156157d8bbc1f9568eccdb2233280924ffa0122bf514f0
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SSDEEP
12288:R5MYqIHkdbQKPX7VtiVL8B5rRNH36hVCG+/HSQTibBJTS73Sv:R6hQkdbvpqL8/9NX6HCG6HSQTp7
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.labuanshipyard.com - Port:
587 - Username:
[email protected] - Password:
Pass123! - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 31 IoCs
resource yara_rule behavioral2/memory/4652-153-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-152-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-155-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-157-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-159-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-161-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-163-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-165-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-167-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-169-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-171-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-173-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-175-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-177-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-179-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-181-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-185-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-183-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-187-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-189-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-191-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-193-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-195-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-197-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-199-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-201-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-203-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-205-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-207-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-209-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger behavioral2/memory/4652-211-0x0000000002B80000-0x0000000002BB2000-memory.dmp family_snakekeylogger -
Uses the VBS compiler for execution 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3196 set thread context of 4652 3196 KVC PO1100538819.exe 101 -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 3196 KVC PO1100538819.exe 4652 vbc.exe 4652 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3196 KVC PO1100538819.exe Token: SeDebugPrivilege 4652 vbc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101 PID 3196 wrote to memory of 4652 3196 KVC PO1100538819.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\KVC PO1100538819.exe"C:\Users\Admin\AppData\Local\Temp\KVC PO1100538819.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
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