Analysis
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max time kernel
110s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07/06/2023, 16:57
Static task
static1
Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
test.exe
Resource
win10v2004-20230220-en
General
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Target
test.exe
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Size
734KB
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MD5
005c45c7069070fe6ad1f112a16f135c
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SHA1
a023833da6bc0ecbaa674be65bdfd75b0df7b9bb
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SHA256
fd987d623939a8b69f25a2b8350fb6e76a51e77545add40658fc60f00950d625
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SHA512
fef81ef730e17f1a71f47c2c75be4f25c31a66f2d372fc4a249546c0234c37034627d070412c0a62c492bdfb9a0d0930e1e9ad9489d6c79642c65d28c8dfeb9e
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SSDEEP
12288:5XiGDGvPSL84r6h7okw3DmKyhouWMNR5ZcnFzFJ+RsuDv5YQVqsjKx:5XvDGCLbr6h73klHuZ2nFf+RJvuQF4
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1620 shvbbqiwf.exe 1056 shvbbqiwf.exe -
Loads dropped DLL 1 IoCs
pid Process 1620 shvbbqiwf.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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shvbbqiwf.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shvbbqiwf.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shvbbqiwf.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1920 set thread context of 2008 1920 test.exe 28 PID 1620 set thread context of 1056 1620 shvbbqiwf.exe 33 -
Program crash 1 IoCs
pid pid_target Process procid_target 2016 1920 WerFault.exe 27 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2008 RegSvcs.exe Token: SeDebugPrivilege 1056 shvbbqiwf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1920 test.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2008 1920 test.exe 28 PID 1920 wrote to memory of 2016 1920 test.exe 29 PID 1920 wrote to memory of 2016 1920 test.exe 29 PID 1920 wrote to memory of 2016 1920 test.exe 29 PID 1920 wrote to memory of 2016 1920 test.exe 29 PID 1296 wrote to memory of 1620 1296 taskeng.exe 32 PID 1296 wrote to memory of 1620 1296 taskeng.exe 32 PID 1296 wrote to memory of 1620 1296 taskeng.exe 32 PID 1296 wrote to memory of 1620 1296 taskeng.exe 32 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 PID 1620 wrote to memory of 1056 1620 shvbbqiwf.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shvbbqiwf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 shvbbqiwf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe-arguments2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 2162⤵
- Program crash
PID:2016
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C:\Windows\system32\taskeng.exetaskeng.exe {3382CD04-BB0B-42D9-A59F-72AF2CEA195D} S-1-5-21-3948302646-268491222-1934009652-1000:KXZDHPUW\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Users\Admin\AppData\Local\Temp\shvbbqiwf.exeC:\Users\Admin\AppData\Local\Temp\shvbbqiwf.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\Temp\shvbbqiwf.exe"C:\Users\Admin\AppData\Local\Temp\shvbbqiwf.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1056
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
791KB
MD508be52e59bce030aad246ddf3fbb0c26
SHA12620e4873b25739c869839698eadbcefa215294a
SHA2562ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c
SHA512fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04
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Filesize
791KB
MD508be52e59bce030aad246ddf3fbb0c26
SHA12620e4873b25739c869839698eadbcefa215294a
SHA2562ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c
SHA512fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04
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Filesize
791KB
MD508be52e59bce030aad246ddf3fbb0c26
SHA12620e4873b25739c869839698eadbcefa215294a
SHA2562ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c
SHA512fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04
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Filesize
791KB
MD508be52e59bce030aad246ddf3fbb0c26
SHA12620e4873b25739c869839698eadbcefa215294a
SHA2562ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c
SHA512fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04