Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
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submitted
06-11-2023 16:50
General
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Target
DEKONT_001332597_06.11.2023 pdf.exe
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Size
44KB
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MD5
41bce404371579a1e6db304042d2e72e
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SHA1
55378787edb8d473893099cc206fd5554213caa9
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SHA256
ebb6fad910c99d151b30733b624e8f7e555eb7de7caaa66d65b9e7114c433f56
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SHA512
66e5e32da35d76208dac11bbfa8a232ab1d77f1d08ad377bbe04a33de395ff82248a82dc8f51df9d029ad461ebdb23300d0b549f2bf6149c1ff0b64cfb99af9c
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SSDEEP
768:DbynQEfPx5vJYrEXURJ5fTpSgKS08c9YDveruxPhreB3SUFjIHEIx:3ix7cEWZpSgKnUDGA6BZFmfx
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6350529534:AAEbFW9VBWTKQfN1Y3K_5RJARCtOn1UqK8o/sendMessage?chat_id=1467583453
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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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.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DEKONT_001332597_06.11.2023 pdf.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT_001332597_06.11.2023 pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DEKONT_001332597_06.11.2023 pdf.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT_001332597_06.11.2023 pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58094b248fe3231e48995c2be32aeb08c
SHA12fe06e000ebec919bf982d033c5d1219c1f916b6
SHA256136c30d964f4abbb5279bdc86d0e00578333782f15f05f0d2d050730dcb7a9bc
SHA512bf27a3822008796370e2c506c910a40992b9240606ea1bc19f683b2fee86b81897660ac0cf8e746ca093dae9e408949e2e9002ded75678a69f020d3b0452801f
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
224KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
304KB
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Filesize
56KB
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Filesize
64KB
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Filesize
24KB
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Filesize
320KB
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Filesize
10.8MB
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Filesize
216KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
136KB