Analysis
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max time kernel
119s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-01-2025 10:58
Static task
static1
Behavioral task
behavioral1
Sample
Contract_0103.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Contract_0103.exe
Resource
win10v2004-20241007-en
General
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Target
Contract_0103.exe
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Size
705KB
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MD5
c83ee1a2f029b861a6a66ea25e2ae356
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SHA1
97b083bf9f6b797d328bc37f43eabcfdd007c3eb
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SHA256
e4f2a7707dc8781db5279fef6f56adf628981b82c6b9640f82af0f7decce8626
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SHA512
113764c1599dafc25b5e3d5ab1aafe5dfc62cf1b832e6f6794f19cace61cb9ac5b35f3c19e25a0f536f2539ed07d3a462ebb3bfc04bd293ad7f62e39a337cd96
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SSDEEP
12288:wIq4E6mfJiLl9yWcbQkpClSxCxC61F9SDc8GFXDfL16T3gu+kx0TpvpKRZNi2L:DEkD+pCljC6X9WG6T3g1JRw
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.murchisonspice.co.za - Port:
587 - Username:
[email protected] - Password:
accounts786q# - 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/3052-26-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3052-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3052-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3052-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3052-18-0x0000000000400000-0x0000000000426000-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 568 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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Contract_0103.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Contract_0103.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Contract_0103.exe -
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 8 reallyfreegeoip.org 9 reallyfreegeoip.org 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1816 set thread context of 3052 1816 Contract_0103.exe 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 Contract_0103.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 Contract_0103.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 2764 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3052 Contract_0103.exe 568 powershell.exe 3052 Contract_0103.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3052 Contract_0103.exe Token: SeDebugPrivilege 568 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1816 wrote to memory of 568 1816 Contract_0103.exe 31 PID 1816 wrote to memory of 568 1816 Contract_0103.exe 31 PID 1816 wrote to memory of 568 1816 Contract_0103.exe 31 PID 1816 wrote to memory of 568 1816 Contract_0103.exe 31 PID 1816 wrote to memory of 2764 1816 Contract_0103.exe 33 PID 1816 wrote to memory of 2764 1816 Contract_0103.exe 33 PID 1816 wrote to memory of 2764 1816 Contract_0103.exe 33 PID 1816 wrote to memory of 2764 1816 Contract_0103.exe 33 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 PID 1816 wrote to memory of 3052 1816 Contract_0103.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Contract_0103.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Contract_0103.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe"C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aRoqpToBa.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aRoqpToBa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF815.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2764
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C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe"C:\Users\Admin\AppData\Local\Temp\Contract_0103.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:3052
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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
MD561bbc5e8fb9aa81b93e8c71641958181
SHA174ea982748c0faab6b9c2d2e3ab284e360cc28da
SHA25666ff9b130e5bb2ac86d3e386e1ceec5c2b0a2068b81a3e563a3be10a08dba26d
SHA5123a9d420a721ae194cc2131e3e1ff0b7f76884a9857598d095385f151de9447f74cdb2aff72f511f96c88bc865edd8208ddaf071327011b6607ce39cfa5098210