Analysis
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max time kernel
121s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
06-12-2023 02:36
Static task
static1
Behavioral task
behavioral1
Sample
PO 0206201.PDF.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
PO 0206201.PDF.exe
Resource
win10v2004-20231127-en
General
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Target
PO 0206201.PDF.exe
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Size
530KB
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MD5
60be219d2b7d424ee98fdb703935ae34
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SHA1
0e81927460a663cbe8d59a61e82b3d5b9a2cd310
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SHA256
15840d8dbdb94d787598f7dc0821cf6c1b1c337697bb7369488e2c979d8f73a3
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SHA512
695a5d750f5e7129402aa68dcb91b992b8d28aaaf287f5e6f5b932fbc714d9a05d22ea0913dd739d076020174b9a403abcf48e8ea089b7bc9e0221968b7b572d
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SSDEEP
12288:SuXQaueH5qV5wmmdhif9OdMZTpLSzR+oQXlF7Au:Su1qPcdhE8d6IsdlF
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2624-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2624-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2624-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2624-15-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2624-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2624-20-0x00000000046F0000-0x0000000004730000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 0206201.PDF.exedescription pid process target process PID 2576 set thread context of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2624 RegSvcs.exe 2624 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2624 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
PO 0206201.PDF.exedescription pid process target process PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe PID 2576 wrote to memory of 2624 2576 PO 0206201.PDF.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 0206201.PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO 0206201.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2576-0-0x0000000001140000-0x00000000011CA000-memory.dmpFilesize
552KB
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memory/2576-1-0x00000000746E0000-0x0000000074DCE000-memory.dmpFilesize
6.9MB
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memory/2576-2-0x0000000000A30000-0x0000000000A70000-memory.dmpFilesize
256KB
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memory/2576-3-0x0000000000370000-0x000000000038A000-memory.dmpFilesize
104KB
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memory/2576-4-0x0000000000320000-0x0000000000328000-memory.dmpFilesize
32KB
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memory/2576-5-0x00000000004B0000-0x00000000004BA000-memory.dmpFilesize
40KB
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memory/2576-6-0x0000000004920000-0x0000000004980000-memory.dmpFilesize
384KB
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memory/2576-17-0x00000000746E0000-0x0000000074DCE000-memory.dmpFilesize
6.9MB
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memory/2624-8-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-9-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-10-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2624-13-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-7-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-15-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-18-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2624-19-0x0000000074660000-0x0000000074D4E000-memory.dmpFilesize
6.9MB
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memory/2624-20-0x00000000046F0000-0x0000000004730000-memory.dmpFilesize
256KB
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memory/2624-21-0x0000000074660000-0x0000000074D4E000-memory.dmpFilesize
6.9MB