Analysis
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max time kernel
133s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2024 13:54
Static task
static1
Behavioral task
behavioral1
Sample
RFQABCO004806L____________________pdf.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
RFQABCO004806L____________________pdf.exe
Resource
win10v2004-20241007-en
General
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Target
RFQABCO004806L____________________pdf.exe
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Size
385KB
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MD5
07c2f058cd20ca2ea748897dfe3ae4be
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SHA1
9eed7f03355832fdf0e121d5528a1217844688a4
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SHA256
2387dfcd993c8035b2f72ad89935d4521b294010115384aaa9cf93813f7ae4ce
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SHA512
894219e470aafbb5fd7ae9ebc2e77e4793c4fddc48e1266c3d05f73333d58c1965eedb2cff82836974a12ef2c32208c2d741756fb450b6068a45fe72f5ea1ddb
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SSDEEP
6144:eVXPgExJ1/tpQDjgJiG7Llz01gnL1ckoBiYUzkiJNzBGKWcjrmZ5:eV/NxfQD5GDAhUkCNzBGKWkrY5
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.sispimx.org - Port:
26 - Username:
[email protected] - Password:
W^418d5gv - Email To:
[email protected]
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/1560-1095-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 864 created 3508 864 RFQABCO004806L____________________pdf.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IgnorePersistedDecision.vbs RFQABCO004806L____________________pdf.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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 864 set thread context of 1560 864 RFQABCO004806L____________________pdf.exe 96 -
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 RFQABCO004806L____________________pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 864 RFQABCO004806L____________________pdf.exe 1560 InstallUtil.exe 1560 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 864 RFQABCO004806L____________________pdf.exe Token: SeDebugPrivilege 864 RFQABCO004806L____________________pdf.exe Token: SeDebugPrivilege 1560 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 PID 864 wrote to memory of 1560 864 RFQABCO004806L____________________pdf.exe 96 -
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:3508
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C:\Users\Admin\AppData\Local\Temp\RFQABCO004806L____________________pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQABCO004806L____________________pdf.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:864
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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:1560
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