Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
18-01-2021 18:27
General
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Target
Nakit Akisi Detaylariniz.exe
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Size
916KB
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MD5
4e507e11995daba03d599c6ef1501e2d
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SHA1
2dfc88f40597fceb18327986aa74bfe9f80e581b
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SHA256
b639c991580bde47480c449bba6ccc3c8af03fa6424c3632ecff6fdfba7efbf8
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SHA512
8baef754beae50f4246869296c656e2965192a9efd824e93572e426c2df0e9123e7b0abf8a704c1296924dd2d89c9b4ba3e69a8972c449048fcc2e818b0f49b4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.fil-net.com - Port:
587 - Username:
[email protected] - Password:
Fil-2020net+
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Nakit Akisi Detaylariniz.exe"C:\Users\Admin\AppData\Local\Temp\Nakit Akisi Detaylariniz.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yejGFHqovvLzs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9C3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Nakit Akisi Detaylariniz.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpE9C3.tmpMD5
a3bbb075d23a10ea88659a371f0a9626
SHA1c672c79256c84d9cc12bbc5aafbf7f60aad5c142
SHA25666063cb2c4d535a2188181628f4aebfcbbc042ebbc7b99e65be5186b3a51437a
SHA512bc09e4c79ffca785458810b71b1267db66854187eb88167d4244141142111349632bf5905a29cc54c2d968ed9902fc73b106238b6c392a27d7593950e69c2b04
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memory/288-8-0x0000000000000000-mapping.dmp
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memory/864-12-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/864-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/864-11-0x000000000043752E-mapping.dmp
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memory/864-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/864-15-0x0000000004B00000-0x0000000004B01000-memory.dmpFilesize
4KB
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memory/864-16-0x0000000004B01000-0x0000000004B02000-memory.dmpFilesize
4KB
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memory/1832-6-0x0000000000390000-0x000000000039E000-memory.dmpFilesize
56KB
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memory/1832-7-0x0000000004FF0000-0x0000000005054000-memory.dmpFilesize
400KB
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memory/1832-5-0x0000000002050000-0x0000000002051000-memory.dmpFilesize
4KB
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memory/1832-3-0x0000000000060000-0x0000000000061000-memory.dmpFilesize
4KB
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memory/1832-2-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB