Analysis
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max time kernel
153s -
max time network
129s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
23-10-2021 05:31
General
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Target
DHL DELIVERY DOCUMENT.exe
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Size
732KB
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MD5
a686c00744d975ed8775855e3885eff4
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SHA1
8e10da37654b53a3ccfa5fbec2c0f445e553c6bf
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SHA256
24282f64129f9eb662558f7e0c401065a699701d88ad717000d8fca8bbeba2af
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SHA512
2c1baa0309fa346bc830ee052353b8a14bc8b6d931460a0cb48a502d2f2588ed674bdf4574863c00060503b5fe51b36109e15463c1f0d3ddeebf1086d3d6bca9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
gregowen12@yandex.ru - Password:
enugu042
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
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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 9 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 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\DHL DELIVERY DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\DHL DELIVERY DOCUMENT.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\rwbSibT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87D9.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DHL DELIVERY DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\DHL DELIVERY DOCUMENT.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\DHL DELIVERY DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\DHL DELIVERY DOCUMENT.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1272-126-0x000000000043762E-mapping.dmp
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memory/1272-133-0x0000000006180000-0x0000000006181000-memory.dmpFilesize
4KB
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memory/1272-132-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/1272-131-0x0000000005490000-0x000000000598E000-memory.dmpFilesize
5.0MB
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memory/1272-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2756-119-0x0000000006EF0000-0x00000000073EE000-memory.dmpFilesize
5.0MB
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memory/2756-122-0x0000000008160000-0x0000000008161000-memory.dmpFilesize
4KB
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memory/2756-123-0x00000000096C0000-0x0000000009718000-memory.dmpFilesize
352KB
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memory/2756-121-0x00000000071A0000-0x00000000071A7000-memory.dmpFilesize
28KB
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memory/2756-120-0x0000000002440000-0x0000000002441000-memory.dmpFilesize
4KB
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memory/2756-115-0x0000000000070000-0x0000000000071000-memory.dmpFilesize
4KB
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memory/2756-118-0x0000000006EF0000-0x0000000006EF1000-memory.dmpFilesize
4KB
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memory/2756-117-0x00000000073F0000-0x00000000073F1000-memory.dmpFilesize
4KB
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memory/3416-124-0x0000000000000000-mapping.dmp