Analysis
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max time kernel
116s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
26502teklifTR887PL783-ProductDetails663836.xlsx.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
26502teklifTR887PL783-ProductDetails663836.xlsx.exe
Resource
win10v2004-20241007-en
General
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Target
26502teklifTR887PL783-ProductDetails663836.xlsx.exe
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Size
6KB
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MD5
26d35e00a9c0b32cbed369bf309f096e
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SHA1
1b9b2935ecf5e458fa8a797c495a6d9e2798cd86
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SHA256
5d7e89b8db72156f0a75c96b371de14eb2ee4dc2148bc7a37e48b863e3ab50e3
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SHA512
8f8d54bf619a5ddccd41531276fa3ce34b298eb51a742bbfc2bfe01003430d85bdbcc39262384717370abfa1d8b2dbb6c823f1c190e51e546ec0f998e81cbd06
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SSDEEP
48:69o+1SIBzEM3UM7gT44vJhgyz6yw9/NOjWYbqYxVZeUBWpC7s03ACtDSl6AWFdhY:v9I6sTs1vJhkujWUnEUBWo7nmcxzNt
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7575386281:AAH_oCv72vkYnhVFkW8Yan64MZfx3OFkaUk/sendMessage?chat_id=5302361040
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/2884-1198-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1208 created 3436 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityZone.vbs 26502teklifTR887PL783-ProductDetails663836.xlsx.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 16 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1208 set thread context of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 -
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 26502teklifTR887PL783-ProductDetails663836.xlsx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 2884 InstallUtil.exe 2884 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe Token: SeDebugPrivilege 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe Token: SeDebugPrivilege 2884 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 PID 1208 wrote to memory of 2884 1208 26502teklifTR887PL783-ProductDetails663836.xlsx.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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:3436
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C:\Users\Admin\AppData\Local\Temp\26502teklifTR887PL783-ProductDetails663836.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\26502teklifTR887PL783-ProductDetails663836.xlsx.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208
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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:2884
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