Analysis
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max time kernel
110s -
max time network
120s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 13:12
Static task
static1
Behavioral task
behavioral1
Sample
704f90b4d0eb8b2c5d76d119d1130039.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
704f90b4d0eb8b2c5d76d119d1130039.exe
Resource
win10-en-20210920
General
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Target
704f90b4d0eb8b2c5d76d119d1130039.exe
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Size
1.1MB
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MD5
704f90b4d0eb8b2c5d76d119d1130039
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SHA1
dc6f4b12fecd17cbe87ca33ebae113a942849f80
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SHA256
23b1d048509d2cd778700636271f40e42e26a3c98bf1bca7cce9678112ccf229
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SHA512
4a48a8838c2334291a6f48e456cb30d283d8320d2e4f4700fcaa7a2f968a426d0f54620fe1bb2d746b230161caeeb2f1ea6ada19ab6df8a18bc8657ba8d83531
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.xenonaslikno.gr - Port:
587 - Username:
info@xenonaslikno.gr - Password:
Fox#UgJVGN#0X
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/608-125-0x000000000043766E-mapping.dmp family_agenttesla behavioral2/memory/608-128-0x0000000000420000-0x000000000045C000-memory.dmp family_agenttesla behavioral2/memory/608-132-0x00000000048A0000-0x0000000004D9E000-memory.dmp family_agenttesla behavioral2/memory/608-137-0x00000000048A0000-0x0000000004D9E000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 608 InstallUtil.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:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
704f90b4d0eb8b2c5d76d119d1130039.exedescription pid process target process PID 2868 set thread context of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
704f90b4d0eb8b2c5d76d119d1130039.exeInstallUtil.exepid process 2868 704f90b4d0eb8b2c5d76d119d1130039.exe 608 InstallUtil.exe 608 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
704f90b4d0eb8b2c5d76d119d1130039.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 2868 704f90b4d0eb8b2c5d76d119d1130039.exe Token: SeDebugPrivilege 608 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
704f90b4d0eb8b2c5d76d119d1130039.exedescription pid process target process PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe PID 2868 wrote to memory of 608 2868 704f90b4d0eb8b2c5d76d119d1130039.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\704f90b4d0eb8b2c5d76d119d1130039.exe"C:\Users\Admin\AppData\Local\Temp\704f90b4d0eb8b2c5d76d119d1130039.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/608-132-0x00000000048A0000-0x0000000004D9E000-memory.dmpFilesize
5.0MB
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memory/608-125-0x000000000043766E-mapping.dmp
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memory/608-137-0x00000000048A0000-0x0000000004D9E000-memory.dmpFilesize
5.0MB
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memory/608-134-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/608-133-0x0000000004CF0000-0x0000000004CF1000-memory.dmpFilesize
4KB
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memory/608-128-0x0000000000420000-0x000000000045C000-memory.dmpFilesize
240KB
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memory/2868-118-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/2868-119-0x00000000055C0000-0x00000000055C1000-memory.dmpFilesize
4KB
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memory/2868-117-0x0000000005940000-0x0000000005941000-memory.dmpFilesize
4KB
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memory/2868-123-0x000000000CD90000-0x000000000CD9A000-memory.dmpFilesize
40KB
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memory/2868-115-0x0000000000B60000-0x0000000000B61000-memory.dmpFilesize
4KB
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memory/2868-122-0x000000000AF50000-0x000000000AF51000-memory.dmpFilesize
4KB
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memory/2868-121-0x0000000002EF0000-0x0000000002F14000-memory.dmpFilesize
144KB
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memory/2868-120-0x0000000002FE0000-0x0000000002FE1000-memory.dmpFilesize
4KB