Analysis
- max time kernel
93s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
17/05/2022, 11:13
General
- Target Quotation (Our Reference No CN2022-008).exe
- Size 547KB
- Sample220517-nbd7hsbab4
- SHA256 d77437abf8cfd36cb6b2c28d7d99e079a56d085b2035da7299cbd27f4309149c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.pannagroupbd.com
-
Port
587
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Username
-
Password
pg#@#@6156
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.pannagroupbd.com
-
Port
587
-
Username
-
Password
pg#@#@6156
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation (Our Reference No CN2022-008).exe"C:\Users\Admin\AppData\Local\Temp\Quotation (Our Reference No CN2022-008).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\Quotation (Our Reference No CN2022-008).exe"C:\Users\Admin\AppData\Local\Temp\Quotation (Our Reference No CN2022-008).exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 19323⤵
- Program crash
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-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1668 -ip 16681⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Quotation (Our Reference No CN2022-008).exe.log
memory/996-130-0x00000000007D0000-0x000000000085E000-memory.dmp
memory/996-131-0x00000000058C0000-0x0000000005E64000-memory.dmp
memory/996-132-0x0000000005220000-0x00000000052B2000-memory.dmp
memory/996-133-0x00000000053B0000-0x000000000544C000-memory.dmp
memory/996-134-0x0000000005210000-0x000000000521A000-memory.dmp
memory/996-135-0x0000000000EF0000-0x0000000000F56000-memory.dmp
memory/1668-137-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1668-139-0x0000000006490000-0x00000000064E0000-memory.dmp