Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 02:15
Static task
static1
Behavioral task
behavioral1
Sample
SOA APRIL.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
SOA APRIL.exe
Resource
win10v2004-20220414-en
General
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Target
SOA APRIL.exe
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Size
421KB
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MD5
dd5f37195ac446c6f7e09321bcb64a63
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SHA1
45e979b5abc28b86d3b277b64f8992aec3a4b277
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SHA256
1753cdd1b934ad14f3b6a767859c941a2f5a3a734834a9ae2ca5204281b1974c
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SHA512
d50d18c69d93ac9b4811aa8a63d0906e795f2d41f05a9e8b3166eda0a7904e7e426c95b3afabed567f78f31b74dfab78cc00e151c403b27d0d838f0d608c081d
Malware Config
Extracted
Protocol: smtp- Host:
mail.tolipgoldenplaza.com - Port:
587 - Username:
[email protected] - Password:
Golden@#$2019
Extracted
agenttesla
Protocol: smtp- Host:
mail.tolipgoldenplaza.com - Port:
587 - Username:
[email protected] - Password:
Golden@#$2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2708-138-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
SOA APRIL.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts SOA APRIL.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SOA APRIL.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation SOA APRIL.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
SOA APRIL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA APRIL.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA APRIL.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA APRIL.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA APRIL.exedescription pid process target process PID 2664 set thread context of 2708 2664 SOA APRIL.exe SOA APRIL.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 6 IoCs
Processes:
SOA APRIL.exeSOA APRIL.exepid process 2664 SOA APRIL.exe 2664 SOA APRIL.exe 2664 SOA APRIL.exe 2664 SOA APRIL.exe 2708 SOA APRIL.exe 2708 SOA APRIL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA APRIL.exeSOA APRIL.exedescription pid process Token: SeDebugPrivilege 2664 SOA APRIL.exe Token: SeDebugPrivilege 2708 SOA APRIL.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
SOA APRIL.exeSOA APRIL.exedescription pid process target process PID 2664 wrote to memory of 2732 2664 SOA APRIL.exe schtasks.exe PID 2664 wrote to memory of 2732 2664 SOA APRIL.exe schtasks.exe PID 2664 wrote to memory of 2732 2664 SOA APRIL.exe schtasks.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2664 wrote to memory of 2708 2664 SOA APRIL.exe SOA APRIL.exe PID 2708 wrote to memory of 1992 2708 SOA APRIL.exe REG.exe PID 2708 wrote to memory of 1992 2708 SOA APRIL.exe REG.exe PID 2708 wrote to memory of 1992 2708 SOA APRIL.exe REG.exe PID 2708 wrote to memory of 4188 2708 SOA APRIL.exe netsh.exe PID 2708 wrote to memory of 4188 2708 SOA APRIL.exe netsh.exe PID 2708 wrote to memory of 4188 2708 SOA APRIL.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
SOA APRIL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA APRIL.exe -
outlook_win_path 1 IoCs
Processes:
SOA APRIL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SOA APRIL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe"C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe"1⤵
- Checks computer location settings
- 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\hojwConhXJP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA53.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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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
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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\tmpFA53.tmpFilesize
1KB
MD53b3a8039a14a2f2308a65a35721db31b
SHA12989f67780ff0705f2fb10816fa2be5930931596
SHA256e76924f01bf6925efe00c3da49f5bfb5bc88043ac2f99aec902522db646c6d45
SHA512c4b37532c0f8eb4ed13ad607f642ffbbb845f7aa3809710b5b3a305160372a6adbc3f0fe445efc95a421268682ef1586de0abaa15c77433e096d2dac054cdd23
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memory/1992-140-0x0000000000000000-mapping.dmp
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memory/2664-133-0x00000000059F0000-0x00000000059FA000-memory.dmpFilesize
40KB
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memory/2664-130-0x0000000000C40000-0x0000000000CB0000-memory.dmpFilesize
448KB
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memory/2664-134-0x0000000009160000-0x00000000091FC000-memory.dmpFilesize
624KB
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memory/2664-132-0x0000000005A30000-0x0000000005AC2000-memory.dmpFilesize
584KB
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memory/2664-131-0x0000000005E40000-0x00000000063E4000-memory.dmpFilesize
5.6MB
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memory/2708-137-0x0000000000000000-mapping.dmp
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memory/2708-138-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2708-139-0x0000000005F50000-0x0000000005FB6000-memory.dmpFilesize
408KB
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memory/2708-141-0x0000000006A20000-0x0000000006A70000-memory.dmpFilesize
320KB
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memory/2732-135-0x0000000000000000-mapping.dmp
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memory/4188-142-0x0000000000000000-mapping.dmp