Analysis
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max time kernel
131s -
max time network
13s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 21:02
General
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Target
new order 00041221.exe
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Size
729KB
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MD5
ffe30c4ac40f0e43147b0ffe6ede3e3f
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SHA1
bde322fd8135752b32f0301887e25295a08f2b44
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SHA256
9f34067bfd42e0ddfff753c0e045a4a1df331d738ec6946ed35531f8cf33440b
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SHA512
1e70a0a0fb23c88f49fc702127e4d826454d4406ebee05d07ef341283c57fb1e12094ce3c4fa54e328771366dadc0935bf15d20a0d585783c0afe0002c1d7b2c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.marcer.com.tr - Port:
587 - Username:
muhasebe@marcer.com.tr - Password:
mar1453
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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Drops file in Drivers directory 1 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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Adds Run key to start application 2 TTPs 1 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 SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.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\BtDInAbOGLzwJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92FC.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"{path}"2⤵
- Drops file in Drivers directory
- 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\tmp92FC.tmpMD5
62ac87e1997075ef393383e35249e210
SHA1a1c2384011f53976118c893b1512a415a93d0ef2
SHA256e9308414c674470d9a09cb3a1e8b4eea21977cf00ff1de5b2c26b8b1a5789917
SHA5120944459b3cd22f09ada60e8838944186312024fd0177c814915896bd963fe0fb4e9c33fea1f923b89cfe84275798f9678f84e24c4c4285532b8cb0df76da91f0
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memory/672-65-0x0000000000000000-mapping.dmp
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memory/860-68-0x000000000043760E-mapping.dmp
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memory/860-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/860-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/860-71-0x0000000004790000-0x0000000004791000-memory.dmpFilesize
4KB
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memory/860-72-0x0000000004791000-0x0000000004792000-memory.dmpFilesize
4KB
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memory/1084-59-0x0000000000820000-0x0000000000821000-memory.dmpFilesize
4KB
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memory/1084-61-0x0000000004BE0000-0x0000000004BE1000-memory.dmpFilesize
4KB
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memory/1084-62-0x00000000005E0000-0x00000000005E2000-memory.dmpFilesize
8KB
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memory/1084-63-0x0000000004B10000-0x0000000004BCC000-memory.dmpFilesize
752KB
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memory/1084-64-0x0000000004F00000-0x0000000004F78000-memory.dmpFilesize
480KB