Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231201-en -
resource tags
arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system -
submitted
11-12-2023 15:12
Static task
static1
Behavioral task
behavioral1
Sample
doc4567898762345678678889_pdf.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
doc4567898762345678678889_pdf.exe
Resource
win10v2004-20231127-en
General
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Target
doc4567898762345678678889_pdf.exe
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Size
714KB
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MD5
c3d53387aaa39ee5e0897965033a65d6
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SHA1
30e662033ffc767276cf977070a82147ef38b44b
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SHA256
9e19816e28ea81520a46e89d85f46e573f4feed5eb0eef8537c36b1120bed32f
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SHA512
8418bb95fcddd6dbee91aa0b1af3ca4a64b7f928d0f08428f17d5235167b98e83274a6a13b44ce79eccf7383dccb50023d9df517d7294e05e1402ec84c6aac80
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SSDEEP
12288:mzEP/SJaF/J9x11ht3++d4z7pyjaUV2iA+OPjZTBobiHE8ZWZ:F/4qzvx+ZyaM29sbiHkZ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.nzcivilandconstruction.co.nz - Port:
587 - Username:
[email protected] - Password:
%%B9U[D}7Tm6 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral1/memory/2080-7-0x0000000005F30000-0x0000000005F9C000-memory.dmp family_zgrat_v1 -
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-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc4567898762345678678889_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc4567898762345678678889_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc4567898762345678678889_pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
pid Process 2620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2712 powershell.exe 2080 doc4567898762345678678889_pdf.exe 2080 doc4567898762345678678889_pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2080 doc4567898762345678678889_pdf.exe Token: SeDebugPrivilege 2712 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2080 doc4567898762345678678889_pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2712 2080 doc4567898762345678678889_pdf.exe 28 PID 2080 wrote to memory of 2712 2080 doc4567898762345678678889_pdf.exe 28 PID 2080 wrote to memory of 2712 2080 doc4567898762345678678889_pdf.exe 28 PID 2080 wrote to memory of 2712 2080 doc4567898762345678678889_pdf.exe 28 PID 2080 wrote to memory of 2620 2080 doc4567898762345678678889_pdf.exe 30 PID 2080 wrote to memory of 2620 2080 doc4567898762345678678889_pdf.exe 30 PID 2080 wrote to memory of 2620 2080 doc4567898762345678678889_pdf.exe 30 PID 2080 wrote to memory of 2620 2080 doc4567898762345678678889_pdf.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc4567898762345678678889_pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc4567898762345678678889_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jSnOuboG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jSnOuboG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACE2.tmp"2⤵
- Creates scheduled task(s)
PID:2620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5ea0ec28960048108d66932fdda82acc5
SHA17b066f75d7f2a0292139af23873f4229ee733e40
SHA2564fd31d768440a7af659ef984c03a10f50bd837d76ccef7e310fbb40e2cfb64ef
SHA5121c770c7b418206d557e9bf19199e9def2241169a55eaee8f3e146a194afeae17eb3757d959206733294f498fbdd650c35cc989f58a5e8b70845ff0e7e3434975