Analysis
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max time kernel
130s -
max time network
137s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 06:57
Static task
static1
Behavioral task
behavioral1
Sample
FPDA.exe
Resource
win7
Behavioral task
behavioral2
Sample
FPDA.exe
Resource
win10v200430
General
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Target
FPDA.exe
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Size
819KB
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MD5
33e04f77535409fde4def28f58b2bb98
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SHA1
0acc003299cf639dfadee2725826bac215f9acaa
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SHA256
e72dc89990c2d78a89001f901515aa56c0c5da2c3d85fff3ca3ea2c1123b95c1
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SHA512
9b41b5f6ce69374362fe360db071c293e1f4da34e822f99e782670401d8a515074f1f66d30fc74cfc55d381f9c4c6e79496d2652acb7cb2976443a54e8bee202
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.israelagroconsultant.com - Port:
587 - Username:
[email protected] - Password:
israelagro@123
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/1912-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1912-5-0x00000000004473EE-mapping.dmp family_agenttesla behavioral1/memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1912-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
FPDA.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts FPDA.exe -
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:
FPDA.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\TkvuX = "C:\\Users\\Admin\\AppData\\Roaming\\TkvuX\\TkvuX.exe" FPDA.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FPDA.exedescription pid process target process PID 1516 set thread context of 1912 1516 FPDA.exe FPDA.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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Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
FPDA.exeFPDA.exepid process 1516 FPDA.exe 1912 FPDA.exe 1912 FPDA.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
FPDA.exeFPDA.exedescription pid process Token: SeDebugPrivilege 1516 FPDA.exe Token: SeDebugPrivilege 1912 FPDA.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
FPDA.exeFPDA.exedescription pid process target process PID 1516 wrote to memory of 1848 1516 FPDA.exe schtasks.exe PID 1516 wrote to memory of 1848 1516 FPDA.exe schtasks.exe PID 1516 wrote to memory of 1848 1516 FPDA.exe schtasks.exe PID 1516 wrote to memory of 1848 1516 FPDA.exe schtasks.exe PID 1516 wrote to memory of 1896 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1896 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1896 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1896 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1516 wrote to memory of 1912 1516 FPDA.exe FPDA.exe PID 1912 wrote to memory of 1396 1912 FPDA.exe REG.exe PID 1912 wrote to memory of 1396 1912 FPDA.exe REG.exe PID 1912 wrote to memory of 1396 1912 FPDA.exe REG.exe PID 1912 wrote to memory of 1396 1912 FPDA.exe REG.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FPDA.exe"C:\Users\Admin\AppData\Local\Temp\FPDA.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\ORLRqFWlhcZuXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8AD.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\FPDA.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\FPDA.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpA8AD.tmpMD5
7d5d4e1310a2d983f29200724d5b69ea
SHA135c5cc0d74160353aab1c30d7fa0b8d136849aeb
SHA256b859c426387e0a7c4a3f6400750dd19cd9351cba120cace88fee00e598d4b7ae
SHA5129a04f6d2d411dd631a64a3c2645726cf418ae942cfc8c2f16c7a42da72a5c1e38963d66a0820f768e58253c6a753e5389afcc3cce2858454d4e8385d650439cc
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memory/1396-8-0x0000000000000000-mapping.dmp
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memory/1516-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1848-2-0x0000000000000000-mapping.dmp
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memory/1912-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1912-5-0x00000000004473EE-mapping.dmp
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memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1912-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB