Analysis
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max time kernel
140s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07-02-2023 01:04
Static task
static1
Behavioral task
behavioral1
Sample
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe
Resource
win10v2004-20221111-en
General
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Target
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe
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Size
623KB
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MD5
cbcf4a372d624b07922ff281d203304b
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SHA1
2f888eb429648b17a15c9e614ffb3d4459921b57
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SHA256
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59
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SHA512
0dcdcb543c19db9c12f220ac8fc13887015db22b8264cf6dc2fb4633b967b4eba900bf7f77d16cda78c5ca5d93febade9ba2ca38262b47d50499ded98eadbc0b
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SSDEEP
12288:DjGaOpk+txzRgl0J3VaaYQdkwfO0xaD3UBUujknb9GTkkkkkkkkkkkkkkkkkkkkd:ZOpH3i23VbYQdkwfO0xaD3UBUujknwAs
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.mgcpakistan.com/ - Port:
21 - Username:
[email protected] - Password:
boygirl123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2024-58-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2024-59-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2024-60-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2024-61-0x00000000004374CE-mapping.dmp family_agenttesla behavioral1/memory/2024-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2024-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exedescription pid process target process PID 1168 set thread context of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2024 RegAsm.exe 2024 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2024 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exedescription pid process target process PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe PID 1168 wrote to memory of 2024 1168 4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe"C:\Users\Admin\AppData\Local\Temp\4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2024
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1168-54-0x0000000000E60000-0x0000000000F02000-memory.dmpFilesize
648KB
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memory/2024-55-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-56-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-58-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-61-0x00000000004374CE-mapping.dmp
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memory/2024-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2024-66-0x0000000075881000-0x0000000075883000-memory.dmpFilesize
8KB