Analysis
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max time kernel
48s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-01-2023 10:41
Static task
static1
Behavioral task
behavioral1
Sample
VSL Q88.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
VSL Q88.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
VSL Q88.scr
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
VSL Q88.scr
Resource
win10v2004-20221111-en
General
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Target
VSL Q88.exe
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Size
17KB
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MD5
abb62deff1e4851be179ab55fb65e4a7
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SHA1
36d60ff07bcfdbe6c83c69079c954cc655bd9557
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SHA256
35a1eb3544b13e48380568cef531dec8473aa229fa4fccc532898b2c514f05ab
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SHA512
2e80e80a3c8b3aa4a2a49a8bdc618f464f399e98da68dac4a558282dc237cdd7e4a899969695661af3d462d0c46e211bbd9ae1ee8a55658f724d852cd98b1e6b
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SSDEEP
384:eBHyHMiAiIufjm2g6WeLLB3mDTQ8T3Jd:YHyHMi0ufj3H5F3mDF3T
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1816-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1816-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1816-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1816-71-0x000000000042079E-mapping.dmp family_snakekeylogger behavioral1/memory/1816-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1816-75-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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
Processes:
VSL Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VSL Q88.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VSL Q88.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VSL Q88.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
VSL Q88.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Koheb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cbmvw\\Koheb.exe\"" VSL Q88.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
VSL Q88.exedescription pid process target process PID 2024 set thread context of 1816 2024 VSL Q88.exe VSL Q88.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exeVSL Q88.exepid process 620 powershell.exe 1816 VSL Q88.exe 1816 VSL Q88.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
VSL Q88.exepowershell.exeVSL Q88.exedescription pid process Token: SeDebugPrivilege 2024 VSL Q88.exe Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 1816 VSL Q88.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
VSL Q88.exedescription pid process target process PID 2024 wrote to memory of 620 2024 VSL Q88.exe powershell.exe PID 2024 wrote to memory of 620 2024 VSL Q88.exe powershell.exe PID 2024 wrote to memory of 620 2024 VSL Q88.exe powershell.exe PID 2024 wrote to memory of 620 2024 VSL Q88.exe powershell.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe PID 2024 wrote to memory of 1816 2024 VSL Q88.exe VSL Q88.exe -
outlook_office_path 1 IoCs
Processes:
VSL Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VSL Q88.exe -
outlook_win_path 1 IoCs
Processes:
VSL Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 VSL Q88.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/620-58-0x0000000000000000-mapping.dmp
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memory/620-62-0x000000006F660000-0x000000006FC0B000-memory.dmpFilesize
5MB
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memory/620-61-0x000000006F660000-0x000000006FC0B000-memory.dmpFilesize
5MB
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memory/620-60-0x000000006F660000-0x000000006FC0B000-memory.dmpFilesize
5MB
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memory/1816-69-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-64-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-67-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-65-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-70-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-71-0x000000000042079E-mapping.dmp
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memory/1816-73-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1816-75-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2024-57-0x0000000005530000-0x00000000055C2000-memory.dmpFilesize
584KB
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memory/2024-56-0x0000000005B30000-0x0000000005C92000-memory.dmpFilesize
1MB
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memory/2024-55-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/2024-63-0x0000000005220000-0x0000000005268000-memory.dmpFilesize
288KB
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memory/2024-54-0x0000000000870000-0x000000000087A000-memory.dmpFilesize
40KB