Analysis
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max time kernel
151s -
max time network
52s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
31-07-2020 13:37
Static task
static1
Behavioral task
behavioral1
Sample
prove of payment 7312020.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
prove of payment 7312020.exe
Resource
win10
General
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Target
prove of payment 7312020.exe
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Size
739KB
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MD5
8a02fb8903f348fb485c76935f6332f3
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SHA1
f52c8094e53d58ad71058a1740c7a7d8b216977b
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SHA256
67a641524568fcafd0347283ea8cb1eb2a4615ce4034b34ffd2471848aa69082
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SHA512
f530d1ac643c84beb84f82f2e2d70890d9e0222114b4b02495d495453b9441622b560fb8bf6360d9ea6276861eecab3210abe3530a31a0ed5f8b52e8429366b1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.bnb-spa.com - Port:
587 - Username:
ambibros@bnb-spa.com - Password:
tPo!47:glt$E
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1764-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1764-6-0x000000000044C47E-mapping.dmp family_agenttesla behavioral1/memory/1764-7-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1764-8-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
prove of payment 7312020.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mymp4 = "C:\\Users\\Admin\\AppData\\Roaming\\Mymp4\\Mymp4.exe" prove of payment 7312020.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
prove of payment 7312020.exedescription pid process target process PID 1088 set thread context of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe -
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 6 IoCs
Processes:
prove of payment 7312020.exeprove of payment 7312020.exepid process 1088 prove of payment 7312020.exe 1088 prove of payment 7312020.exe 1088 prove of payment 7312020.exe 1088 prove of payment 7312020.exe 1764 prove of payment 7312020.exe 1764 prove of payment 7312020.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
prove of payment 7312020.exeprove of payment 7312020.exedescription pid process Token: SeDebugPrivilege 1088 prove of payment 7312020.exe Token: SeDebugPrivilege 1764 prove of payment 7312020.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
prove of payment 7312020.exepid process 1764 prove of payment 7312020.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
prove of payment 7312020.exedescription pid process target process PID 1088 wrote to memory of 1792 1088 prove of payment 7312020.exe schtasks.exe PID 1088 wrote to memory of 1792 1088 prove of payment 7312020.exe schtasks.exe PID 1088 wrote to memory of 1792 1088 prove of payment 7312020.exe schtasks.exe PID 1088 wrote to memory of 1792 1088 prove of payment 7312020.exe schtasks.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe PID 1088 wrote to memory of 1764 1088 prove of payment 7312020.exe prove of payment 7312020.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\prove of payment 7312020.exe"C:\Users\Admin\AppData\Local\Temp\prove of payment 7312020.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\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EF.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\prove of payment 7312020.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4EF.tmpMD5
619935892dc702a7d2a1ef69008cc070
SHA12698088ce411926ae6f09aaa933c6ff185b7e4ca
SHA256ba7948a38e0de3c4c14fd1e5c8b573a52fb4eb216dc29206619b2d5dd37cd6a1
SHA512bf3c44a52090d70a2edac163003c8419f35a9835494aae2bb489bc177cf2bd6bde1624baa3cf795f0b7904a38ce5036b845482fa87e68c9f0f8974cbd59ef2e4
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memory/1088-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1764-5-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1764-6-0x000000000044C47E-mapping.dmp
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memory/1764-7-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1764-8-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1792-2-0x0000000000000000-mapping.dmp