Analysis
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max time kernel
103s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 17:13
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION#08799.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QUOTATION#08799.exe
Resource
win10v2004-20241007-en
General
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Target
QUOTATION#08799.exe
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Size
643KB
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MD5
60ddcafe705a37c0140c4cb0e9c78aad
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SHA1
f1027a78300c13ca9628a093452fa86c99dc27e2
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SHA256
cc13129324f50af1beb790648588af51cd58745cc19240836104b5441319ecf0
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SHA512
4ce31889a8c496c6881520fba3c9caf64323604b9d9d0e45c93282507b7cf60364a36509696b785609e1ba6060001c8ebc4610bd76a0ef105e67136b67539d9c
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SSDEEP
12288:numPW57u6MJZLtjsZ3x9iVeWErj59NcW23Sh5UCtjWfXl1Ewu3X3u+:nubKrh0hAVerv59NcWl+vl1g3X39
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.cepro.co.in - Port:
587 - Username:
[email protected] - Password:
2018@ce#03 - Email To:
[email protected]
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/3740-4-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" QUOTATION#08799.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths QUOTATION#08799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\QUOTATION#08799.exe = "0" QUOTATION#08799.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3040 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation QUOTATION#08799.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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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths QUOTATION#08799.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions QUOTATION#08799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\QUOTATION#08799.exe = "0" QUOTATION#08799.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA QUOTATION#08799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" QUOTATION#08799.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 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3192 set thread context of 3740 3192 QUOTATION#08799.exe 85 -
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 1 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 regasm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3040 powershell.exe 3040 powershell.exe 3740 regasm.exe 3740 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 3740 regasm.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3192 wrote to memory of 3040 3192 QUOTATION#08799.exe 83 PID 3192 wrote to memory of 3040 3192 QUOTATION#08799.exe 83 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 PID 3192 wrote to memory of 3740 3192 QUOTATION#08799.exe 85 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" QUOTATION#08799.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION#08799.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION#08799.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3192 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\QUOTATION#08799.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040
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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:3740
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
4Credential 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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82