Analysis
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max time kernel
142s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 15:52
Static task
static1
Behavioral task
behavioral1
Sample
Bursaderiosb_Sorgu_04.11.24.doc.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Bursaderiosb_Sorgu_04.11.24.doc.exe
Resource
win10v2004-20241007-en
General
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Target
Bursaderiosb_Sorgu_04.11.24.doc.exe
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Size
791KB
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MD5
bf641cbd10ecb47360eb5f51aa1e18dd
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SHA1
8cf79b4e1c56efa27686e75be6763d1626c52418
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SHA256
cdcc9af94476ea2f08b7a948e5293405cf65e87a2496f3fd7743a35128bca523
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SHA512
00b679d1afbb028951af5e0258d44ee9c59a38c6824078eb22cd606e146c4b6b60fdc8394cb1415beea6a9b78d8564ec0ae24429513452c907ec2f834d12b880
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SSDEEP
24576:FY5/fh8ztYct9XR8UdtCVK9V7U3dMuZBBzjwYMXj3:K2tJ8UTCE7YJwHj
Malware Config
Extracted
Protocol: ftp- Host:
kashmirestore.com - Port:
21 - Username:
[email protected] - Password:
c%P+6,(]YFvP
Extracted
vipkeylogger
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 2880 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Bursaderiosb_Sorgu_04.11.24.doc.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bursaderiosb_Sorgu_04.11.24.doc.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bursaderiosb_Sorgu_04.11.24.doc.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bursaderiosb_Sorgu_04.11.24.doc.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 4932 set thread context of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 -
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 3 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bursaderiosb_Sorgu_04.11.24.doc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bursaderiosb_Sorgu_04.11.24.doc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4880 Bursaderiosb_Sorgu_04.11.24.doc.exe 2880 powershell.exe 2880 powershell.exe 4880 Bursaderiosb_Sorgu_04.11.24.doc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4880 Bursaderiosb_Sorgu_04.11.24.doc.exe Token: SeDebugPrivilege 2880 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4932 wrote to memory of 2880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 101 PID 4932 wrote to memory of 2880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 101 PID 4932 wrote to memory of 2880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 101 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 PID 4932 wrote to memory of 4880 4932 Bursaderiosb_Sorgu_04.11.24.doc.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bursaderiosb_Sorgu_04.11.24.doc.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bursaderiosb_Sorgu_04.11.24.doc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bursaderiosb_Sorgu_04.11.24.doc.exe"C:\Users\Admin\AppData\Local\Temp\Bursaderiosb_Sorgu_04.11.24.doc.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Bursaderiosb_Sorgu_04.11.24.doc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Users\Admin\AppData\Local\Temp\Bursaderiosb_Sorgu_04.11.24.doc.exe"C:\Users\Admin\AppData\Local\Temp\Bursaderiosb_Sorgu_04.11.24.doc.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:4880
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bursaderiosb_Sorgu_04.11.24.doc.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82