Analysis
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max time kernel
121s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 13:32
Static task
static1
Behavioral task
behavioral1
Sample
purchase order.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
purchase order.exe
Resource
win10v2004-20240802-en
General
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Target
purchase order.exe
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Size
441KB
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MD5
b0783a18de531b50debfe5252bc25558
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SHA1
bc564e0ceb0e8f99602247bcc559a583f77db8ce
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SHA256
018ff37ba8b41d1ae1669d3fd841351f4197f9594c7f05512b5a99cfda88549f
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SHA512
927ff7d89d9820745ab5208793444ade73da993b4c482f31297e093cb9d3cee96a8ae0808c1a4813612d61b1eba4e7d40bc7d9c037f4e337f5dccc4228c25e46
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SSDEEP
1536:TzOp02gL1jszmCCCCCpCCCCCTdvCCCCCCCCCCC3CCCCCCCCfFIeCCCCCCCCCCCCv:TzSY+zCdsP6GBxhDCovrU/s
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
zulpine.shop - Port:
587 - Username:
[email protected] - Password:
e5xECScP5KfC - 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/3124-1095-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4040 created 3536 4040 purchase order.exe 56 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bohw = "C:\\Users\\Admin\\AppData\\Roaming\\Bohw.exe" purchase order.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 30 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4040 set thread context of 3124 4040 purchase order.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 purchase order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4040 purchase order.exe 3124 InstallUtil.exe 3124 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4040 purchase order.exe Token: SeDebugPrivilege 4040 purchase order.exe Token: SeDebugPrivilege 3124 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 PID 4040 wrote to memory of 3124 4040 purchase order.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3536
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C:\Users\Admin\AppData\Local\Temp\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:3124
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