Analysis
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max time kernel
139s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2023 12:39
Static task
static1
Behavioral task
behavioral1
Sample
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe
Resource
win10v2004-20230915-en
General
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Target
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe
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Size
23KB
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MD5
7fe389096fa318c3f3cb73fcf58973ea
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SHA1
61b3c643ffcf012bcb8f850a654af71eef6b2748
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SHA256
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e
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SHA512
d84202c2a7ca3f611737b88054adbe3fa841d55ad6baa498f9bc262a57cf3751fb1c9705457fd5b78934ad22694c793fb925f9e2a3f1576c77eb8bd26ff48dd3
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SSDEEP
384:JkvLCxRRfB5bGvdGsynUXkOaXYs1dFFq88afXpBC88aHXpK:2vLCTRpFZHf7JfXfRHXE
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6563963046:AAGlyBHZ_ALQCHnOUZcYa0FHqP2za43gVaM/sendMessage?chat_id=5262627523
Signatures
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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/2180-9-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger behavioral2/memory/2180-13-0x000001C7FA070000-0x000001C7FA080000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wwwww = "C:\\Users\\Admin\\AppData\\Roaming\\wwwww.exe" 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.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 53 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exedescription pid process target process PID 3204 set thread context of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 2180 MSBuild.exe 2180 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe Token: SeDebugPrivilege 2180 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exedescription pid process target process PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe PID 3204 wrote to memory of 2180 3204 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe"C:\Users\Admin\AppData\Local\Temp\69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e_JC.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2180