Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 02:34
Static task
static1
Behavioral task
behavioral1
Sample
request for quotation.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
request for quotation.exe
Resource
win10v2004-20241007-en
General
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Target
request for quotation.exe
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Size
595KB
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MD5
4a15ed0feb9e90b56e82c2e45a3b3f5e
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SHA1
659661291eb5fd6452d6cabdc24cd9fbc1fb17f7
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SHA256
d5d8c33957e90d1caca4b5207d8da5ab1bc4caa9f702abc0ec006d0518ea9aec
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SHA512
f5c0e6fd93018b454db12ef76b10a6feeca5d532a7599a6460d00c1870518752fb4ec0bc1052de34e6d4e18e040658d59037a757232f49731264b81c5fe32fed
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SSDEEP
12288:VWjK4A9bRiI5VIfzhXLhZnFLsrPmaj015WWn9QNViWeCT+GCqR:AjKRByzhFErOaj0x9uiWeCtCq
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://cpanel2-nl.thcservers.com/ - Port:
21 - Username:
Yx74dJ0TP3M= - Password:
Uvob2G1Tc73ZCus02X
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2668-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2668-25-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2668-30-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2668-29-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2668-28-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2760 powershell.exe 2852 powershell.exe -
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 request for quotation.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 request for quotation.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 request for quotation.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2240 set thread context of 2668 2240 request for quotation.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language request for quotation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language request for quotation.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2820 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2668 request for quotation.exe 2760 powershell.exe 2852 powershell.exe 2668 request for quotation.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2668 request for quotation.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2760 2240 request for quotation.exe 31 PID 2240 wrote to memory of 2760 2240 request for quotation.exe 31 PID 2240 wrote to memory of 2760 2240 request for quotation.exe 31 PID 2240 wrote to memory of 2760 2240 request for quotation.exe 31 PID 2240 wrote to memory of 2852 2240 request for quotation.exe 33 PID 2240 wrote to memory of 2852 2240 request for quotation.exe 33 PID 2240 wrote to memory of 2852 2240 request for quotation.exe 33 PID 2240 wrote to memory of 2852 2240 request for quotation.exe 33 PID 2240 wrote to memory of 2820 2240 request for quotation.exe 34 PID 2240 wrote to memory of 2820 2240 request for quotation.exe 34 PID 2240 wrote to memory of 2820 2240 request for quotation.exe 34 PID 2240 wrote to memory of 2820 2240 request for quotation.exe 34 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 PID 2240 wrote to memory of 2668 2240 request for quotation.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 request for quotation.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 request for quotation.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\request for quotation.exe"C:\Users\Admin\AppData\Local\Temp\request for quotation.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\request for quotation.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2760
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oGnCNPiCwiAocn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2852
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oGnCNPiCwiAocn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEEC2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2820
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C:\Users\Admin\AppData\Local\Temp\request for quotation.exe"C:\Users\Admin\AppData\Local\Temp\request for quotation.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:2668
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD581c7c89da513d029cd245204454dbbc2
SHA1cba9fc919bb416b0e5c59ca84c80f5bfabc14ae1
SHA256af172f800001f0dbd50de2418c1eede8be892b4f551d0e36a692522922e2c21b
SHA512907e6bf0de2ffd5c2367c6f0076c62a939c12e79dc005c6e9cd1dc7e002ef8e876aa1913a768d362f0d7ef01895a7daf7fa4a4d07e3d2b74965d52d051de71f6
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD54ddba6448ba71fa176b6f3baf7700f55
SHA1177b60b4d877af2aa0c787cdf7ecfbe1d4d599e3
SHA2568cd02a4220a5ed2aaa0e3670c43dd9db21ca4d293341ce92ba24cbc285e83ac2
SHA512766a34c1a964b46885b8601179886af4148d881686dcaee8f37300f4c50e4b07cbe8a88191736ff4c7bc59788a69c597f2b304dc9855695f63a0e8d34b3644cd