Analysis
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max time kernel
147s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 09:18
Static task
static1
Behavioral task
behavioral1
Sample
Payment copy.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment copy.exe
Resource
win10v2004-20241007-en
General
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Target
Payment copy.exe
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Size
699KB
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MD5
24e9f7248721532221948fa1967ee60f
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SHA1
6383f2e95ddd7abd76f0be41c98c2f0251144f9f
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SHA256
aaffbb91c846cc38793ba7ad53bb5b72487a65fa430e4caec3993d22b28cbf21
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SHA512
a8f950a5d35cd972d5b6498e386f33968c34f519d97b5d037638cb97e6f226ce1f2fd01caf286fe7b46d24723b55cc0024da399633f93e7c8595fedaff55812f
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SSDEEP
12288:QHuE6cx+QCxBtQ7LUUV00q5+2Glo1XmVUiFK+YPbGxLuyNKBXeQU7:5cx5CxBJUV0fGmSFWBeZ
Malware Config
Extracted
Protocol: smtp- Host:
mail.financ-fire.com - Port:
587 - Username:
[email protected] - Password:
W6otxNGOdwF9
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.financ-fire.com - Port:
587 - Username:
[email protected] - Password:
W6otxNGOdwF9 - 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/2144-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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 2112 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation Payment copy.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment copy.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment copy.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment copy.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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4468 set thread context of 2144 4468 Payment copy.exe 98 -
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 4 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 Payment copy.exe 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 Payment copy.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 2108 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4468 Payment copy.exe 2112 powershell.exe 4468 Payment copy.exe 2144 Payment copy.exe 2112 powershell.exe 2144 Payment copy.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2144 Payment copy.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2144 Payment copy.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4468 Payment copy.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 2144 Payment copy.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2144 Payment copy.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4468 wrote to memory of 2112 4468 Payment copy.exe 94 PID 4468 wrote to memory of 2112 4468 Payment copy.exe 94 PID 4468 wrote to memory of 2112 4468 Payment copy.exe 94 PID 4468 wrote to memory of 2108 4468 Payment copy.exe 96 PID 4468 wrote to memory of 2108 4468 Payment copy.exe 96 PID 4468 wrote to memory of 2108 4468 Payment copy.exe 96 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 PID 4468 wrote to memory of 2144 4468 Payment copy.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment copy.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fPERVwVih.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fPERVwVih" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF59B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2108
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C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2144
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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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD565b31ce5a365532a53f6a795a5d025cc
SHA1cbc89285a8546dd83c7f0e369b7bd203aed31211
SHA2563f03aa03806b23b5b047568ccfcb5105ef2044bb29d9204f1a5bb7b2e0ad2b7d
SHA5122ec67e7528e0b6c772e28a104549e19f1001eee0dfcefc3f3063c65336ae30f3d30a224f63941671e32fb1dfec44da65033730e4168b62217b0e18ee8d0818d3