Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 01:58
Static task
static1
Behavioral task
behavioral1
Sample
86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe
Resource
win10v2004-20240802-en
General
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Target
86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe
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Size
40KB
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MD5
4e783011f451168c8c75229518d350a6
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SHA1
be7e0c5f52d8ca1ebffadf27816d4f06adcf5567
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SHA256
86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232
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SHA512
dd66bb38ae4117190eacb0bab5ddab5eee9b1c8c927271186ce3028d04ec4a8fe22cf68b33ff1f98179dc7a9be9187df9074276a849ef805eb94937140cc0e69
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SSDEEP
768:S8T7EgqeXx/Q+c3cUgTo0cNHqvRe5AmNPseYbfdleI:D/EVeXKiUgbRSNUeUleI
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7541020039:AAGsq8h1YFdFZMkWR4YvtTV1a-gYO_XOaR4/sendMessage?chat_id=5593200404
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3560-1094-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2252 created 3388 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 56 -
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 3 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.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.
flow ioc 25 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2252 set thread context of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 3560 RegAsm.exe 3560 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe Token: SeDebugPrivilege 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe Token: SeDebugPrivilege 3560 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 PID 2252 wrote to memory of 3560 2252 86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3388
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C:\Users\Admin\AppData\Local\Temp\86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe"C:\Users\Admin\AppData\Local\Temp\86ea9ea45a530191cb5f42b3336b00cfb92dd219f0861e5dc9dac7f5d1e48232.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3560
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