Resubmissions
08-03-2024 15:04
240308-sfnzqsaa47 10Analysis
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max time kernel
1191s -
max time network
1136s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
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submitted
14-04-2024 11:53
General
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Target
bb8fce33b3478355c5a6c4f52f6ff83b.exe
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Size
1.1MB
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MD5
bb8fce33b3478355c5a6c4f52f6ff83b
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SHA1
81ed80cb69b5c6e65bff71b8c53160a467099475
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SHA256
6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022
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SHA512
a1f9bad36ff0a866db0aaf918cd70ed235c1bf1679dbadea8a5e2746686e2736833e7fe10d6caec459106e90ad9efdd55ca2b66afb1b2f7c507cd46363cbed69
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SSDEEP
24576:UlTshPoDiXbNSXIN6L/Y1ja1zwdY4k2A/QaFcEYZFj:UshPjNSXGic+FwTbA4SR2
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
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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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UPX packed file 64 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 13 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of SendNotifyMessage 8 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
124KB
MD552721d7ab1584eb1c9992570e2634b33
SHA160aec551b39cff8d81960ef08bc840fa70d8a9d5
SHA256512540b439944e045197f096b3485c8190b74d6be4c7cd2017a0dcb8835e4e39
SHA51297e84a703aa9522e3319dd5fd257b3e6f9efa2bb3a1fd5548bc10debe26dfc8fe41340e08be849ad3f7dbc7622ee7096fc91bd38a99345098cc34772794eeaa0
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Filesize
24B
MD5419a089e66b9e18ada06c459b000cb4d
SHA1ed2108a58ba73ac18c3d2bf0d8c1890c2632b05a
SHA256c48e42e9ab4e25b92c43a7b0416d463b9ff7c69541e4623a39513bc98085f424
SHA512bbd57bea7159748e1b13b3e459e2c8691a46bdc9323afdb9dbf9d8f09511750d46a1d98c717c7adca07d79edc859e925476dd03231507f37f45775c0a79a593c
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Filesize
7KB
MD547a7af53d005ff297d88b1e246ff3d00
SHA11e5510d0ec5f09e681287931495365fdca7b7641
SHA25648b8b4f5f58296edea6409a14e97cb71bd9bcf411016199b404e94c4c66be027
SHA5128565143dd6e2ebbfc4534e2bfa14cb56d50f7a9cd660729b46e7b62f181c6b066d8dbd982a95e90122cb771eec0b5724978f1ec8394fb1ffb1ab6fa17bbffdd5
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Filesize
852KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
852KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB