Analysis
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max time kernel
69s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 06:57
Static task
static1
Behavioral task
behavioral1
Sample
Teklif 99373998749-7638378939.xlsx.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Teklif 99373998749-7638378939.xlsx.exe
Resource
win10v2004-20241007-en
General
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Target
Teklif 99373998749-7638378939.xlsx.exe
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Size
775KB
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MD5
f253e2c0361fb3ec2fba6a618c024313
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SHA1
ffc4e9e16344118eb083734ecb82bf72b23512e8
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SHA256
78d1ef46a428169130807621644d3aa5e5c7e214697f25a5b7839fb448b8a4b4
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SHA512
db220b586808b7e0af1307da72e946521b8f7740a98c65cf46c4fea56fc4714b619d2861c5c8b4ac96706a6a519774cd276959420b313545231111f21db09477
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SSDEEP
12288:uSLKWa+klX1LdS6s+imIloZdt7L23VRYTLWmKtiVBQzHfJ0KVdZe2zbOvlRE42qZ:LkllKV+dNLqVRYPWmB7QVfdDb+l+4JJ
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7784580930:AAGMCki8hBwu16UwwjATu3X8TvVLB-VhfaE/sendMessage?chat_id=5302361040
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2716 powershell.exe -
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 3 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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklif 99373998749-7638378939.xlsx.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklif 99373998749-7638378939.xlsx.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklif 99373998749-7638378939.xlsx.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2652 set thread context of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 Teklif 99373998749-7638378939.xlsx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Teklif 99373998749-7638378939.xlsx.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2432 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2564 Teklif 99373998749-7638378939.xlsx.exe 2716 powershell.exe 2564 Teklif 99373998749-7638378939.xlsx.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2564 Teklif 99373998749-7638378939.xlsx.exe Token: SeDebugPrivilege 2716 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2652 wrote to memory of 2716 2652 Teklif 99373998749-7638378939.xlsx.exe 30 PID 2652 wrote to memory of 2716 2652 Teklif 99373998749-7638378939.xlsx.exe 30 PID 2652 wrote to memory of 2716 2652 Teklif 99373998749-7638378939.xlsx.exe 30 PID 2652 wrote to memory of 2716 2652 Teklif 99373998749-7638378939.xlsx.exe 30 PID 2652 wrote to memory of 2432 2652 Teklif 99373998749-7638378939.xlsx.exe 32 PID 2652 wrote to memory of 2432 2652 Teklif 99373998749-7638378939.xlsx.exe 32 PID 2652 wrote to memory of 2432 2652 Teklif 99373998749-7638378939.xlsx.exe 32 PID 2652 wrote to memory of 2432 2652 Teklif 99373998749-7638378939.xlsx.exe 32 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 PID 2652 wrote to memory of 2564 2652 Teklif 99373998749-7638378939.xlsx.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklif 99373998749-7638378939.xlsx.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklif 99373998749-7638378939.xlsx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Teklif 99373998749-7638378939.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Teklif 99373998749-7638378939.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xuAZqx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xuAZqx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9618.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2432
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C:\Users\Admin\AppData\Local\Temp\Teklif 99373998749-7638378939.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Teklif 99373998749-7638378939.xlsx.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:2564
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5656967bb41a6572c5b7c326fd92593aa
SHA1db204fbb99312c294362778f58fb802d882a597e
SHA256b108735d32b1e033e734a2d3b045984aa4a6e9c03c6c11394d7450df032bb8ac
SHA5128168316ecdeda96fad51a7e8ca67040fff581d2e70dc7a37752c6259e393c1e82de44a06baecff48fede4e1021ce83ab9b0428b6ec6cb806f80b2f2db160a8a2