Analysis
- max time kernel
97s - max time network
150s - platform
windows10_x64 - resource
win10 - submitted
04/10/2020, 08:22
General
- Target NEW PURCHASE ORDER.EXE
- Size 270KB
- Sample201004-bplbzcsjr2
- SHA256 eddfeca548fc1464fd8937442f58b868ade0a2a5b9a2780384cf622124b35c71
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.zrl.com.zm
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Port
587
-
Username
-
Password
bhm#2315
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"2⤵
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C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 17002⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/732-1-0x0000000000050000-0x0000000000051000-memory.dmp
memory/732-2-0x00000000048C0000-0x00000000048C1000-memory.dmp
memory/732-4-0x0000000005270000-0x00000000052E8000-memory.dmp
memory/732-5-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/732-0-0x0000000073D30000-0x000000007441E000-memory.dmp
memory/1488-16-0x0000000006400000-0x0000000006401000-memory.dmp
memory/1488-18-0x00000000031B0000-0x00000000031B1000-memory.dmp
memory/1488-6-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1488-8-0x0000000073D30000-0x000000007441E000-memory.dmp
memory/1488-17-0x0000000006800000-0x0000000006801000-memory.dmp
memory/1488-15-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/2068-12-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/2068-14-0x0000000005390000-0x0000000005391000-memory.dmp