Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 19:34
Static task
static1
Behavioral task
behavioral1
Sample
Bankslip.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Bankslip.exe
Resource
win10v2004-20240226-en
General
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Target
Bankslip.exe
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Size
372KB
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MD5
4cd93d505a8c15738438996d83afaf8d
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SHA1
08e04c971622d0d9fa405d6910374a86afd86913
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SHA256
cdd39fbc8f042dd91a5131240a9f201eb0158de4e810877c03efe7c82ef0ace6
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SHA512
f9a928dafb7c4d2fdd2c8657eb55fa553f23d83a32063b2d4f9e051ed78c3e2f971e3a123c4dbc820c387d020298ab669ec58156bc83dfe4b40a43e758aa5ec9
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SSDEEP
6144:FEqb7jbHu3YVB8sRAAekeoKRWRsUn0YcYtbzg5OwPWmIRdmGXXtmximUp3wTA2Fo:FESYYcKxKTUPlbzgs7ttfgTp62Ly2SB
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bsia.co.in - Port:
587 - Username:
[email protected] - Password:
21mbsia@)@!Y
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/876-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Bankslip.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Bankslip.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Bankslip.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Bankslip.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Bankslip.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Bankslip.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation Bankslip.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bankslip.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bankslip.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bankslip.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Bankslip.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Bankslip.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Bankslip.exedescription pid process target process PID 2524 set thread context of 876 2524 Bankslip.exe Bankslip.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeBankslip.exepid process 5076 powershell.exe 876 Bankslip.exe 876 Bankslip.exe 5076 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeBankslip.exedescription pid process Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 876 Bankslip.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Bankslip.exedescription pid process target process PID 2524 wrote to memory of 5076 2524 Bankslip.exe powershell.exe PID 2524 wrote to memory of 5076 2524 Bankslip.exe powershell.exe PID 2524 wrote to memory of 5076 2524 Bankslip.exe powershell.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe PID 2524 wrote to memory of 876 2524 Bankslip.exe Bankslip.exe -
outlook_office_path 1 IoCs
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bankslip.exe -
outlook_win_path 1 IoCs
Processes:
Bankslip.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bankslip.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bankslip.exe"C:\Users\Admin\AppData\Local\Temp\Bankslip.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524 -
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\Bankslip.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076 -
C:\Users\Admin\AppData\Local\Temp\Bankslip.exe"C:\Users\Admin\AppData\Local\Temp\Bankslip.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ljfu1fj.rmd.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/876-68-0x00000000053D0000-0x00000000053E0000-memory.dmpFilesize
64KB
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memory/876-63-0x0000000005460000-0x0000000005478000-memory.dmpFilesize
96KB
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memory/876-21-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/876-64-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/876-33-0x00000000053D0000-0x00000000053E0000-memory.dmpFilesize
64KB
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memory/876-17-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/876-65-0x00000000053D0000-0x00000000053E0000-memory.dmpFilesize
64KB
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memory/876-66-0x0000000005160000-0x00000000051B0000-memory.dmpFilesize
320KB
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memory/876-67-0x00000000053D0000-0x00000000053E0000-memory.dmpFilesize
64KB
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memory/2524-5-0x0000000005720000-0x000000000572A000-memory.dmpFilesize
40KB
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memory/2524-11-0x0000000006F50000-0x0000000006FB6000-memory.dmpFilesize
408KB
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memory/2524-1-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/2524-10-0x0000000006AA0000-0x0000000006B00000-memory.dmpFilesize
384KB
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memory/2524-9-0x0000000006950000-0x00000000069EC000-memory.dmpFilesize
624KB
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memory/2524-8-0x00000000054D0000-0x00000000054E0000-memory.dmpFilesize
64KB
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memory/2524-7-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/2524-6-0x0000000006ED0000-0x0000000006EDA000-memory.dmpFilesize
40KB
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memory/2524-4-0x00000000054D0000-0x00000000054E0000-memory.dmpFilesize
64KB
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memory/2524-22-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/2524-3-0x0000000005550000-0x00000000055E2000-memory.dmpFilesize
584KB
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memory/2524-2-0x0000000005B00000-0x00000000060A4000-memory.dmpFilesize
5.6MB
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memory/2524-0-0x0000000000C00000-0x0000000000C64000-memory.dmpFilesize
400KB
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memory/5076-13-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/5076-54-0x0000000007E00000-0x0000000007E96000-memory.dmpFilesize
600KB
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memory/5076-34-0x0000000006860000-0x000000000687E000-memory.dmpFilesize
120KB
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memory/5076-35-0x00000000068F0000-0x000000000693C000-memory.dmpFilesize
304KB
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memory/5076-36-0x000000007F9C0000-0x000000007F9D0000-memory.dmpFilesize
64KB
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memory/5076-37-0x0000000006E30000-0x0000000006E62000-memory.dmpFilesize
200KB
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memory/5076-38-0x0000000070BA0000-0x0000000070BEC000-memory.dmpFilesize
304KB
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memory/5076-44-0x00000000054C0000-0x00000000054D0000-memory.dmpFilesize
64KB
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memory/5076-49-0x0000000006E10000-0x0000000006E2E000-memory.dmpFilesize
120KB
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memory/5076-50-0x0000000007A30000-0x0000000007AD3000-memory.dmpFilesize
652KB
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memory/5076-51-0x00000000081D0000-0x000000000884A000-memory.dmpFilesize
6.5MB
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memory/5076-52-0x0000000007B80000-0x0000000007B9A000-memory.dmpFilesize
104KB
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memory/5076-53-0x0000000007BF0000-0x0000000007BFA000-memory.dmpFilesize
40KB
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memory/5076-18-0x0000000005880000-0x00000000058A2000-memory.dmpFilesize
136KB
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memory/5076-55-0x0000000007D80000-0x0000000007D91000-memory.dmpFilesize
68KB
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memory/5076-56-0x0000000007DB0000-0x0000000007DBE000-memory.dmpFilesize
56KB
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memory/5076-57-0x0000000007DC0000-0x0000000007DD4000-memory.dmpFilesize
80KB
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memory/5076-58-0x0000000007EC0000-0x0000000007EDA000-memory.dmpFilesize
104KB
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memory/5076-59-0x0000000007EA0000-0x0000000007EA8000-memory.dmpFilesize
32KB
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memory/5076-62-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/5076-23-0x0000000006280000-0x00000000065D4000-memory.dmpFilesize
3.3MB
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memory/5076-20-0x00000000061A0000-0x0000000006206000-memory.dmpFilesize
408KB
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memory/5076-16-0x00000000054C0000-0x00000000054D0000-memory.dmpFilesize
64KB
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memory/5076-15-0x0000000005B00000-0x0000000006128000-memory.dmpFilesize
6.2MB
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memory/5076-14-0x00000000054C0000-0x00000000054D0000-memory.dmpFilesize
64KB
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memory/5076-12-0x0000000002F20000-0x0000000002F56000-memory.dmpFilesize
216KB