Analysis
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max time kernel
144s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-07-2022 09:19
General
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Target
Payment Advice.pdf.exe
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Size
446KB
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MD5
4e535cb9880c4b6fafdebd62807332bc
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SHA1
b04240386fa709a704c81624fd701b48b140cb05
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SHA256
b52f9b733eb56a683997312b04b2b38ed53cc224211e5b9a5b5b72b93d75ad79
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SHA512
dbf1725772107d2a2d714017985213aad0303bed516a85e692e57c34f6ce7a2ecbbc29a7a2c0fa383fa156f67a3711ffed5fa3cab27d7b0bb0e6d11d245e743e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ahrass.com - Port:
587 - Username:
mohamedadjal@ahrass.com - Password:
chukwuma22
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
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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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
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BpBVjx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDD9.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Payment Advice.pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpEDD9.tmpFilesize
1KB
MD5fbb8b07dbcde820056d1952ba76f7269
SHA16bc7f73273525407783933ddec8c0bbf31bbdd86
SHA256f303da5ad6675021b93e221a5b87824775aaa124f696ad8712c729eddfe799f5
SHA512df4c2a91f15b6ef387a7d525687daf58fb1e29c3be6e0c200264b73ed0f48fa8424cf9cd9b66541a2c000d78a8f63376e0642e2096d28af136fab29b7da521ff
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memory/948-54-0x0000000001080000-0x00000000010F6000-memory.dmpFilesize
472KB
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memory/948-55-0x0000000000220000-0x0000000000230000-memory.dmpFilesize
64KB
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memory/948-56-0x00000000047D0000-0x0000000004828000-memory.dmpFilesize
352KB
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memory/948-57-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1124-72-0x0000000000000000-mapping.dmp
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memory/1964-60-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-66-0x000000000044C9BE-mapping.dmp
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memory/1964-65-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-68-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1964-70-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1996-58-0x0000000000000000-mapping.dmp