Analysis
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max time kernel
178s -
max time network
307s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 12:02
Static task
static1
Behavioral task
behavioral1
Sample
MV ASPL TBN.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
MV ASPL TBN.exe
Resource
win10v2004-20220901-en
General
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Target
MV ASPL TBN.exe
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Size
166KB
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MD5
28fa19adec2fa9a8d1e8d67310d58f0b
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SHA1
58e964eec035d120bfdd5c8968f227fc516f8893
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SHA256
9c0cab2fc38f52243eff7e3fa43e088d76b0a77d1253230c0d9b28c8f64f611d
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SHA512
f61c3ce86850e2ccb50fb2555229b52f0300088294e7f419169a4d309ef0c63807e7cb12bc47fe04d78e7b1b2fb71952c08483c17119d439138d17695435226d
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SSDEEP
384:eHHVieHKQN6dmOSACCB0W77EldnvGNDj:eHH5N64OSACCBSdnvGNn
Malware Config
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/1900-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1900-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1900-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1900-69-0x000000000042075E-mapping.dmp family_snakekeylogger behavioral1/memory/1900-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1900-71-0x0000000000400000-0x0000000000426000-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:
MV ASPL TBN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ASPL TBN.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ASPL TBN.exe Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ASPL TBN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MV ASPL TBN.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qrfjle = "\"C:\\Users\\Admin\\AppData\\Roaming\\Pswahl\\Qrfjle.exe\"" MV ASPL TBN.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 7 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
MV ASPL TBN.exedescription pid process target process PID 620 set thread context of 1900 620 MV ASPL TBN.exe MV ASPL TBN.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 5 IoCs
Processes:
powershell.exeMV ASPL TBN.exeMV ASPL TBN.exepid process 1916 powershell.exe 620 MV ASPL TBN.exe 620 MV ASPL TBN.exe 1900 MV ASPL TBN.exe 1900 MV ASPL TBN.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
MV ASPL TBN.exepowershell.exeMV ASPL TBN.exedescription pid process Token: SeDebugPrivilege 620 MV ASPL TBN.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 1900 MV ASPL TBN.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
MV ASPL TBN.exedescription pid process target process PID 620 wrote to memory of 1916 620 MV ASPL TBN.exe powershell.exe PID 620 wrote to memory of 1916 620 MV ASPL TBN.exe powershell.exe PID 620 wrote to memory of 1916 620 MV ASPL TBN.exe powershell.exe PID 620 wrote to memory of 1916 620 MV ASPL TBN.exe powershell.exe PID 620 wrote to memory of 1620 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1620 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1620 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1620 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe PID 620 wrote to memory of 1900 620 MV ASPL TBN.exe MV ASPL TBN.exe -
outlook_office_path 1 IoCs
Processes:
MV ASPL TBN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ASPL TBN.exe -
outlook_win_path 1 IoCs
Processes:
MV ASPL TBN.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ASPL TBN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"2⤵PID:1620
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C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"C:\Users\Admin\AppData\Local\Temp\MV ASPL TBN.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1900