Analysis
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max time kernel
102s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 15:03
General
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Target
order 20210407DTR001.IMG.exe
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Size
31KB
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MD5
75c5c3a4a631bd4a8ca1f3b01b959a10
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SHA1
99e67c22eb50e800bef719152edcdd358c4d0dc9
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SHA256
5a3479c05afb8620c7e078f550e924d29058c0c14010296f735ac19df393b713
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SHA512
317093de63396044e6f562508516382dda96778f658b32b565be75a44d25020a2855d4a683033b64e71715cbe15af432cab833387cee9ee6de365b88b3f360b0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.barraprime.com - Port:
587 - Username:
info@barraprime.com - Password:
1marco2017
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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Suspicious use of NtSetInformationThreadHideFromDebugger 14 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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Program crash 1 IoCs
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 5 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
Processes
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C:\Users\Admin\AppData\Local\Temp\order 20210407DTR001.IMG.exe"C:\Users\Admin\AppData\Local\Temp\order 20210407DTR001.IMG.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\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\order 20210407DTR001.IMG.exe"C:\Users\Admin\AppData\Local\Temp\order 20210407DTR001.IMG.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 4024 -s 18402⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1568-120-0x0000000000000000-mapping.dmp
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memory/2100-121-0x0000000000000000-mapping.dmp
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memory/2988-128-0x0000000004ED0000-0x00000000053CE000-memory.dmpFilesize
5.0MB
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memory/2988-122-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2988-123-0x00000000004375FE-mapping.dmp
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memory/2988-129-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/2988-130-0x0000000005BC0000-0x0000000005BC1000-memory.dmpFilesize
4KB
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memory/2988-131-0x0000000005F90000-0x0000000005F91000-memory.dmpFilesize
4KB
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memory/2988-132-0x0000000000D20000-0x0000000000D21000-memory.dmpFilesize
4KB
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memory/4024-118-0x0000000005F40000-0x0000000005F41000-memory.dmpFilesize
4KB
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memory/4024-119-0x0000000004A70000-0x0000000004AC4000-memory.dmpFilesize
336KB
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memory/4024-117-0x0000000004F50000-0x000000000544E000-memory.dmpFilesize
5.0MB
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memory/4024-116-0x0000000005450000-0x0000000005451000-memory.dmpFilesize
4KB
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memory/4024-114-0x00000000007F0000-0x00000000007F1000-memory.dmpFilesize
4KB