Analysis
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max time kernel
136s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe
Resource
win10v2004-20240910-en
General
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Target
337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe
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Size
957KB
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MD5
e24b9ef302a36051801a4d27e5563350
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SHA1
f7ca82fcd4fc8d02f6135ee4da09e3d0277421f0
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SHA256
337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d
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SHA512
5ebae13b999767baaa6ba52792b8da9e66c814911fe147a90b0e6b4b072533ca12f5447a40bb4832278c381e584223f4ad5dc5bdf8f3c656bf7e7451d7500ffe
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SSDEEP
24576:jL7opqubED/7h4y9VATErHoJUG79VkxxKIR5e:rkFahvJrR290
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7444558447:AAHNIAHnG1YJbhdGtivj0iiHR8ECCeZ9fo4/sendMessage?chat_id=6981201194
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/3536-1095-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4120 created 3544 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 56 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jrrujjoouf = "C:\\Users\\Admin\\AppData\\Roaming\\Jrrujjoouf.exe" 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.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 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4120 set thread context of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 -
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 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 3536 InstallUtil.exe 3536 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe Token: SeDebugPrivilege 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe Token: SeDebugPrivilege 3536 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 PID 4120 wrote to memory of 3536 4120 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\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:3544
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C:\Users\Admin\AppData\Local\Temp\337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.exe"C:\Users\Admin\AppData\Local\Temp\337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d.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:4120
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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:3536
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