Analysis
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max time kernel
142s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2023 06:59
Static task
static1
Behavioral task
behavioral1
Sample
PO 965362756.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
PO 965362756.exe
Resource
win10v2004-20231127-en
General
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Target
PO 965362756.exe
-
Size
578KB
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MD5
ef0dbd849a17963eeedf4ff16d796f8e
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SHA1
04708245d95f780a6d86c732c22dd5ebb64a258f
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SHA256
fcff4f7f64b5242e1df739d339166fe76a88245e3de1ac1a49e5f1649d6dd4ba
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SHA512
aefc3efee16c8783819a2d16e64b2b4313ee90fce9083af1562a8df6b8fcf9b03289824ca8732cc1ca8e5c1a500ab94498efbba000d3d000b2f68cb55eb3723f
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SSDEEP
12288:wvcopox4onaEbl8ZSJfhjPysixic0BlK6L0oYkGMnXJeAFBT:Je5ZOfh2ZcBlKf4G+JeA
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.alualuminium.com.my - Port:
587 - Username:
[email protected] - Password:
U8G4S13#8Zk$ - Email To:
[email protected]
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1984-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/1984-15-0x00000000056E0000-0x00000000056F0000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 32 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 965362756.exedescription pid process target process PID 3108 set thread context of 1984 3108 PO 965362756.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1984 MSBuild.exe 1984 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1984 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
PO 965362756.exedescription pid process target process PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe PID 3108 wrote to memory of 1984 3108 PO 965362756.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 965362756.exe"C:\Users\Admin\AppData\Local\Temp\PO 965362756.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1984