Analysis
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max time kernel
44s -
max time network
45s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
07-09-2024 19:06
General
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Target
Legacy IV - V1.1.exe
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Size
3.0MB
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MD5
a615213f1160b542f885be5fe2f0e807
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SHA1
8ef48ff19450fa65bce8ca82188ef61a8551b7ad
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SHA256
5fdebcc9fecc2084617bbd9fd2f55e7844f85ae16bcc8531edb5a92442e2eb58
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SHA512
f1af7653724c363e9aca4bd75476c13e0976bf7b21314936c5250c436bf8f56bfb307e64e34e0c277873a63d2a91e3f440d449e285fde7f9dc9a277f694de1fd
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SSDEEP
49152:X3c/GqhV0aC1jfMQ+ScvKp//dNbo4mDpt5GOQUiLVCiM+bqFsz6Z2g3VHqnVD:Xs/GnaC9MzScvK5/dQXdAUbEVXgFHq
Malware Config
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
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Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
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Looks for VMWare Tools registry key 2 TTPs 2 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory 2 IoCs
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Drops file in Windows directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Enumerates system info in registry 2 TTPs 6 IoCs
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Kills process with taskkill 3 IoCs
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Suspicious behavior: EnumeratesProcesses 30 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /F /IM WmiPrvSE.exe /T2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM WmiPrvSE.exe /T3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /F /IM WmiPrvSE.exe /T2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM WmiPrvSE.exe /T3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /F /IM WmiPrvSE.exe /T2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM WmiPrvSE.exe /T3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c82192ee-6cb5-4bc0-9ef0-fb818773790a} -Embedding1⤵
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C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\werfault.exewerfault.exe /h /shared Global\29abd9d1bbc74a218c02f20e87dbe790 /t 4052 /p 47481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f67ea27f1d659bebaeea796ba7e8f5e5
SHA1e7814eb5be196ee31a749b70706b6bec0e84c7c1
SHA25655bd45b05184cb1dc5bf10dd64a963b86469762d8da1a81c87e8681600ba6822
SHA512bcdb293e2fd5ce6b19255445ed9869964a3d4cfb77340391a34c8d785b56301cff0b93b700bde357063b57bc2e22cfb731d2f6dee01e65922c64b40870a467cd
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Filesize
44B
MD5484313e1dc9486f966950b9149730410
SHA13f82b23fee27ca38ee7ae8746304d360d3ec4884
SHA256d37051a46ecb6945c00ad2cadbc82d8987a4f887c2c0a7cfcaec5e966b770371
SHA5127c3c3481435513d9b1403e7e7c5404aadec1635374936b02da6908def09d4f640ec622b8dfd05fde804752527ab27b34f71617d0ff724b12dc0ed4bdcb3bf2f1
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
5.6MB
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Filesize
2.5MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
3.0MB