Analysis
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max time kernel
137s -
max time network
151s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
23-10-2021 19:29
Static task
static1
Behavioral task
behavioral1
Sample
QDGS140625 Format BL.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
QDGS140625 Format BL.exe
Resource
win10-en-20211014
General
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Target
QDGS140625 Format BL.exe
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Size
450KB
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MD5
1f5fc6b5705f02547b22f321de7e246c
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SHA1
5145b4acd60311d02630d0981c23699485ec58d0
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SHA256
f267d7b1aaf24adf016af932c069abebf8789bf864b56c9b9e81d51d8c3d23c2
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SHA512
58af42103606c48b67f55ebb2f70c66c0d2d2f25556aa118b657635bdcec2b22c7784e8ea4386074afa147fa7bd7fe94aae680e3c78e3ed5c1eae0d4b050ad68
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sautiyapwanifm.com - Port:
587 - Username:
[email protected] - Password:
Uwada12345
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2004-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2004-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2004-66-0x000000000043763E-mapping.dmp family_agenttesla behavioral1/memory/2004-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2004-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
QDGS140625 Format BL.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts QDGS140625 Format BL.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:
QDGS140625 Format BL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QDGS140625 Format BL.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QDGS140625 Format BL.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QDGS140625 Format BL.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
QDGS140625 Format BL.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" QDGS140625 Format BL.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
QDGS140625 Format BL.exedescription pid process target process PID 792 set thread context of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
QDGS140625 Format BL.exeQDGS140625 Format BL.exepid process 792 QDGS140625 Format BL.exe 792 QDGS140625 Format BL.exe 2004 QDGS140625 Format BL.exe 2004 QDGS140625 Format BL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
QDGS140625 Format BL.exeQDGS140625 Format BL.exedescription pid process Token: SeDebugPrivilege 792 QDGS140625 Format BL.exe Token: SeDebugPrivilege 2004 QDGS140625 Format BL.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
QDGS140625 Format BL.exepid process 2004 QDGS140625 Format BL.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
QDGS140625 Format BL.exedescription pid process target process PID 792 wrote to memory of 1972 792 QDGS140625 Format BL.exe schtasks.exe PID 792 wrote to memory of 1972 792 QDGS140625 Format BL.exe schtasks.exe PID 792 wrote to memory of 1972 792 QDGS140625 Format BL.exe schtasks.exe PID 792 wrote to memory of 1972 792 QDGS140625 Format BL.exe schtasks.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe PID 792 wrote to memory of 2004 792 QDGS140625 Format BL.exe QDGS140625 Format BL.exe -
outlook_office_path 1 IoCs
Processes:
QDGS140625 Format BL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QDGS140625 Format BL.exe -
outlook_win_path 1 IoCs
Processes:
QDGS140625 Format BL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 QDGS140625 Format BL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\QDGS140625 Format BL.exe"C:\Users\Admin\AppData\Local\Temp\QDGS140625 Format BL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NloWGThpQBccP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1D0.tmp"2⤵
- Creates scheduled task(s)
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\QDGS140625 Format BL.exe"C:\Users\Admin\AppData\Local\Temp\QDGS140625 Format BL.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2004
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/792-54-0x0000000000810000-0x0000000000811000-memory.dmpFilesize
4KB
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memory/792-56-0x00000000757B1000-0x00000000757B3000-memory.dmpFilesize
8KB
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memory/792-57-0x0000000004DE0000-0x0000000004DE1000-memory.dmpFilesize
4KB
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memory/792-58-0x0000000000400000-0x0000000000408000-memory.dmpFilesize
32KB
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memory/792-59-0x0000000004CA0000-0x0000000004CF8000-memory.dmpFilesize
352KB
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memory/1972-60-0x0000000000000000-mapping.dmp
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memory/2004-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-66-0x000000000043763E-mapping.dmp
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memory/2004-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2004-69-0x00000000046E0000-0x00000000046E1000-memory.dmpFilesize
4KB
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memory/2004-70-0x00000000046E1000-0x00000000046E2000-memory.dmpFilesize
4KB