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Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
12/07/2023, 13:27
Static task
static1
Behavioral task
behavioral1
Sample
Dtausgiejup.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Dtausgiejup.exe
Resource
win10v2004-20230703-en
General
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Target
Dtausgiejup.exe
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Size
38KB
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MD5
cdb4c0de3134e1d979a9f34b458d055f
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SHA1
9a793a1a495459bc7302d6dc7dfb885ad850fe1e
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SHA256
d8b4e8db1b7868e011d7cb64b5035a2b47d96998a1e932d9ad459167fefda416
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SHA512
cae5fe494619d43f58f73964454fc60cabcc8a4fef244ccdaab1f89d9c31ffc779c8cbee070da9fd1e928cd46a3bdbb30ebf47ddec4bcb23ba9b5fb66aa0c849
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SSDEEP
768:LtTLpAIBOyrL+FsLhI/7liL50XqVkvNsCw053vXwYYft:LtB8sL24LeXjvNfnwYc
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6307849414:AAGmDbHsZCN3tscyYeUw89m9JtBbXMioogc/sendMessage?chat_id=5582419717
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/1356-1463-0x0000000140000000-0x0000000140024000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dhqzimproeh = "C:\\Users\\Admin\\AppData\\Roaming\\Dhqzimproeh.exe" Dtausgiejup.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 55 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 692 set thread context of 1356 692 Dtausgiejup.exe 102 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1356 MSBuild.exe 1356 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 692 Dtausgiejup.exe Token: SeDebugPrivilege 1356 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 PID 692 wrote to memory of 1356 692 Dtausgiejup.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Dtausgiejup.exe"C:\Users\Admin\AppData\Local\Temp\Dtausgiejup.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:692 -
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:1356
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