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Analysis
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max time kernel
120s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/01/2025, 09:50
Static task
static1
Behavioral task
behavioral1
Sample
File No75478 order.scr
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
File No75478 order.scr
Resource
win10v2004-20241007-en
General
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Target
File No75478 order.scr
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Size
825KB
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MD5
06f62eb15123b407388218b704ee17c5
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SHA1
fd3b65f38e0d07149d99e7919281f547cd0faded
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SHA256
d3669934e67a79b669e52c5969ed990a4da7281a5f48fa79ecee5090932636eb
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SHA512
3b0479d048ffdc19bd87c1e39d6152d4e75a380d6c99207745f34dd8a7f4548f68fbc64cf58a32b3cd3b116f4499bec89ef68b1f067c4e9a9342f3ce944dce50
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SSDEEP
12288:ZrHIcGXW9xcidz5rm8LsRk/lUpAV6LPkZbKR9Co0mOSF45f:JH1GU1z5rm+I3Rso0r5f
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.internationaluniforms.com - Port:
587 - Username:
[email protected] - Password:
New2022! - 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 5 IoCs
resource yara_rule behavioral1/memory/2724-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2724-25-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2724-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2724-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2724-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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 2880 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File No75478 order.scr Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File No75478 order.scr Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File No75478 order.scr -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 9 reallyfreegeoip.org 4 checkip.dyndns.org 8 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2036 set thread context of 2724 2036 File No75478 order.scr 35 -
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 File No75478 order.scr 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 File No75478 order.scr -
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 2848 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2036 File No75478 order.scr 2036 File No75478 order.scr 2724 File No75478 order.scr 2880 powershell.exe 2724 File No75478 order.scr -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2036 File No75478 order.scr Token: SeDebugPrivilege 2724 File No75478 order.scr Token: SeDebugPrivilege 2880 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2036 wrote to memory of 2880 2036 File No75478 order.scr 31 PID 2036 wrote to memory of 2880 2036 File No75478 order.scr 31 PID 2036 wrote to memory of 2880 2036 File No75478 order.scr 31 PID 2036 wrote to memory of 2880 2036 File No75478 order.scr 31 PID 2036 wrote to memory of 2848 2036 File No75478 order.scr 32 PID 2036 wrote to memory of 2848 2036 File No75478 order.scr 32 PID 2036 wrote to memory of 2848 2036 File No75478 order.scr 32 PID 2036 wrote to memory of 2848 2036 File No75478 order.scr 32 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 PID 2036 wrote to memory of 2724 2036 File No75478 order.scr 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File No75478 order.scr -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File No75478 order.scr
Processes
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C:\Users\Admin\AppData\Local\Temp\File No75478 order.scr"C:\Users\Admin\AppData\Local\Temp\File No75478 order.scr" /S1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vgBcUOgCVbqtJh.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vgBcUOgCVbqtJh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD568.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2848
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C:\Users\Admin\AppData\Local\Temp\File No75478 order.scr"C:\Users\Admin\AppData\Local\Temp\File No75478 order.scr"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:2724
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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
MD5a98858545d056931eaea1cf1aa4252e6
SHA1720bfb86f69f4bcdf7b2b10c578e8e334b3171da
SHA25602b870b79cfab76fc6390b8e40ffb043c6e772d6e10a7d2f214d74f8ac628896
SHA5121b5f4d793089c941562847d3a8b9164fdc5f30b0f22417d61e9f263d8fdf9c829ec45497d1ca0121d8eaeb692bd27b84416f7d677f52ca944d5af797f2ff9540