Analysis
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max time kernel
126s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
28/06/2023, 14:32
Static task
static1
Behavioral task
behavioral1
Sample
R1GH098765567001exe.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
R1GH098765567001exe.exe
Resource
win10v2004-20230621-en
General
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Target
R1GH098765567001exe.exe
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Size
919KB
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MD5
6d1b53e82744198565f72f40b8718df4
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SHA1
fffa28d676df64b209b2598b18da510f2d56830a
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SHA256
91f9a73b2cefb5ed67e573cdb63eaddf9e6f4e5b05391fd874b5df71bee8b4d0
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SHA512
dcacec503a894786322a7b1d597294783565f83dfbeacd0d32228982a77d9a1d2aac831b728b3cbb4fa36b3f69fbcc5a36f530abc3984c8f3e2e5c0bbe04d0cd
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SSDEEP
12288:0Lf4hO3ML2IvnGKfKfKfKcGfjsslB+JcWZv3UjVuhbvot4r:oI2IvniiiRjsslB+JcWZv3UjcAW
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.sienkakupeste.com - Port:
587 - Username:
[email protected] - Password:
010203sienka++ - 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/4472-138-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 R1GH098765567001exe.exe Key opened \REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 R1GH098765567001exe.exe Key opened \REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 R1GH098765567001exe.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 12 checkip.dyndns.org -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E7A0CBB6-9C41-4BD8-9FFA-51D4F051FFAF}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{114A199E-0D2D-4CAD-B450-88A319798467}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{88824E0A-2B59-4E76-96E8-4F9D9F5DE240}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1F590784-5178-4B6B-9003-36CC4DFBE259}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{902D6A0C-06E3-4789-8A8B-7300A5FDA90A}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{9A1179F9-4487-4E47-B50A-26770DEF505D}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6A95DB72-0E2C-427C-ADFF-CF36AB249F60}.catalogItem svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5020 set thread context of 4472 5020 R1GH098765567001exe.exe 81 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4472 R1GH098765567001exe.exe 4472 R1GH098765567001exe.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4472 R1GH098765567001exe.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 PID 5020 wrote to memory of 4472 5020 R1GH098765567001exe.exe 81 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 R1GH098765567001exe.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 R1GH098765567001exe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\R1GH098765567001exe.exe"C:\Users\Admin\AppData\Local\Temp\R1GH098765567001exe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\AppData\Local\Temp\R1GH098765567001exe.exe"C:\Users\Admin\AppData\Local\Temp\R1GH098765567001exe.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4472
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
PID:4016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
706B
MD59b4d7ccdebef642a9ad493e2c2925952
SHA1c020c622c215e880c8415fa867cb50210b443ef0
SHA256e6f068d76bd941b4118225b130db2c70128e77a45dcdbf5cbab0f8a563b867ff
SHA5128577ecd7597d4b540bc1c6ccc4150eae7443da2e4be1343cc42242714d04dd16e48c3fcaefd95c4a148fe9f14c5b6f3166b752ae20d608676cf6fb48919968e8