Analysis
-
max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 15:13
Static task
static1
Behavioral task
behavioral1
Sample
doc100902345678909876542349_pdf.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
doc100902345678909876542349_pdf.exe
Resource
win10v2004-20231127-en
General
-
Target
doc100902345678909876542349_pdf.exe
-
Size
714KB
-
MD5
44a8748ad2e53882df45e6a049b696eb
-
SHA1
456b8c85c984772f80d5a4dfc1709a95dad8726b
-
SHA256
1a30bc0d430f010b44ea3768053a0889efab84eb1b5b199153b487633733de78
-
SHA512
1d8718cbda69be738482644a3d2b41d48e0cfd68ae96b942686c4923ea85773eeb6a7ecdfd9c91069632739ad372a501ad15ac21b1cc5de271d54fcbff03bb37
-
SSDEEP
12288:MUEP/SJa6dn1+gAqeqPZvmv9a2QceDYGJloIO+KFzE3xW4:u/4XHRBvmvU2oSI/kYhW4
Malware Config
Extracted
Protocol: smtp- Host:
mail.jewelryprototyping.it - Port:
587 - Username:
[email protected] - Password:
Geronimol5Frega5
Extracted
agenttesla
Protocol: smtp- Host:
mail.jewelryprototyping.it - Port:
587 - Username:
[email protected] - Password:
Geronimol5Frega5 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/4752-11-0x0000000008030000-0x000000000809C000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation doc100902345678909876542349_pdf.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc100902345678909876542349_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc100902345678909876542349_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc100902345678909876542349_pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4204 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4876 powershell.exe 4876 powershell.exe 4752 doc100902345678909876542349_pdf.exe 4752 doc100902345678909876542349_pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4752 doc100902345678909876542349_pdf.exe Token: SeDebugPrivilege 4876 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4752 doc100902345678909876542349_pdf.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4752 wrote to memory of 4876 4752 doc100902345678909876542349_pdf.exe 106 PID 4752 wrote to memory of 4876 4752 doc100902345678909876542349_pdf.exe 106 PID 4752 wrote to memory of 4876 4752 doc100902345678909876542349_pdf.exe 106 PID 4752 wrote to memory of 4204 4752 doc100902345678909876542349_pdf.exe 108 PID 4752 wrote to memory of 4204 4752 doc100902345678909876542349_pdf.exe 108 PID 4752 wrote to memory of 4204 4752 doc100902345678909876542349_pdf.exe 108 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc100902345678909876542349_pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc100902345678909876542349_pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc100902345678909876542349_pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc100902345678909876542349_pdf.exe"1⤵
- Checks computer location settings
- 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:4752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nYracLUZBb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nYracLUZBb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC03E.tmp"2⤵
- Creates scheduled task(s)
PID:4204
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5180624d82714fd35b42f8fb523bc1f6e
SHA137411e670b019328418e3e6fe073d4cd4e8a3424
SHA256b317cc69053979bfd71c03d0932c39966f009e59cd0e940f5af90e390297fd89
SHA51246829c72f618c5f469b1158cfb33ba99721a00bd728b56630a56c9d86555ffb1e67fe9c54099b0d60cb735aa8eb6c19fa93353251096db5a0090ebf5ab5573a9