Analysis
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max time kernel
95s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2024 17:36
Static task
static1
Behavioral task
behavioral1
Sample
Attached_Productssxlx..exe
Resource
win7-20240704-en
General
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Target
Attached_Productssxlx..exe
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Size
2.2MB
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MD5
b728ebe3c239d1ae3ecf44a116fc9ba5
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SHA1
77b7483fdb65597fe700ebf723fb0072fa5efd9e
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SHA256
745eff514a2c6d3f00e6343e6e582a613a6a6de9d58c9194e99b4da4f3cf186e
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SHA512
c4666cb572f40afc591860acf4945b3fb5ace718094b1299d75ec2195cf8df1ffcffb66197af822655d9bc36b269776b28a578a12f1f7ef2ff5824add657cb33
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SSDEEP
12288:/PPi293YbcHEAVYaQkAvxvMnaqrYsuETiXjiwJ7g58h2wyu0f2g8tw+CpCh:/YbckCYaQdxKaq8suUKjDdg5k279ugCh
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Success@2022 - 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
Processes:
resource yara_rule behavioral2/memory/388-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Processes:
Attached_Productssxlx..exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..exe -
Processes:
Attached_Productssxlx..exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths Attached_Productssxlx..exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..exe = "0" Attached_Productssxlx..exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions Attached_Productssxlx..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.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools Attached_Productssxlx..exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Attached_Productssxlx..exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Attached_Productssxlx..exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000\Control Panel\International\Geo\Nation Attached_Productssxlx..exe -
Processes:
Attached_Productssxlx..exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths Attached_Productssxlx..exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions Attached_Productssxlx..exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..exe = "0" Attached_Productssxlx..exe -
Processes:
Attached_Productssxlx..exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Attached_Productssxlx..exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..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 2 checkip.dyndns.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Attached_Productssxlx..exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Attached_Productssxlx..exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Attached_Productssxlx..exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Attached_Productssxlx..exedescription pid process target process PID 3408 set thread context of 388 3408 Attached_Productssxlx..exe regasm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1988 388 WerFault.exe regasm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exeregasm.exepid process 1624 powershell.exe 1624 powershell.exe 388 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeregasm.exedescription pid process Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 388 regasm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Attached_Productssxlx..exedescription pid process target process PID 3408 wrote to memory of 1624 3408 Attached_Productssxlx..exe powershell.exe PID 3408 wrote to memory of 1624 3408 Attached_Productssxlx..exe powershell.exe PID 3408 wrote to memory of 2172 3408 Attached_Productssxlx..exe jsc.exe PID 3408 wrote to memory of 2172 3408 Attached_Productssxlx..exe jsc.exe PID 3408 wrote to memory of 2172 3408 Attached_Productssxlx..exe jsc.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 388 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 2188 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 2188 3408 Attached_Productssxlx..exe regasm.exe PID 3408 wrote to memory of 2188 3408 Attached_Productssxlx..exe regasm.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
Attached_Productssxlx..exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Attached_Productssxlx..exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..exe"C:\Users\Admin\AppData\Local\Temp\Attached_Productssxlx..exe"1⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3408 -
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\Attached_Productssxlx..exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵PID:2172
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 15563⤵
- Program crash
PID:1988 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:2188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 388 -ip 3881⤵PID:2016
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
4Virtualization/Sandbox Evasion
2Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82