General
- Target UpdateMC Setup 7.2.2.exe
- Size 82.8MB
- Sample260701-x9ltpadv5r
- SHA256 a3dd1eb2e98a9533980aabcf480120aafd0253895cf0aa0e6d6bb7e10e8ce822
Malware Config
Targets
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- Target UpdateMC Setup 7.2.2.exe
- Size 82.8MB
- SHA256 a3dd1eb2e98a9533980aabcf480120aafd0253895cf0aa0e6d6bb7e10e8ce822
Score8/10-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Command and Scripting Interpreter: PowerShell
Using powershell.exe command.
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer
Detects Themida, an advanced Windows software protection system.
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Enumerates processes with tasklist
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Suspicious use of NtSetInformationThreadHideFromDebugger
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
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- Target $PLUGINSDIR/SpiderBanner.dll
- Size 9KB
- SHA256 996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93
Score3/10 -
- Target $PLUGINSDIR/StdUtils.dll
- Size 100KB
- SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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- Target $PLUGINSDIR/app-64.7z
- Size 82.3MB
- SHA256 692a4ed8364db6996e5d41488adf0d01e2baccf0cb78f7fd9d026820d64e8192
Score1/10 -
- Target UpdateMC.exe
- Size 191.9MB
- SHA256 c4d76bd2e496f8ac084432273b0b9b12fbff64c1cd4da9aa2aa0e6d9a56ff9eb
Score8/10-
Command and Scripting Interpreter: PowerShell
Run Powershell to get system information as a root user.
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- Target d3dcompiler_47.dll
- Size 4.7MB
- SHA256 af7b99be1b8770c0e4d18e43b04e81d11bdeb667fa6b07ade7a88f4c5676bf9a
Score1/10 -
- Target ffmpeg.dll
- Size 2.9MB
- SHA256 99fbd8bd11696e24479d22e29b490c7e96c7d9875ab4392ff12307ddfb5a9503
Score1/10 -
- Target resources/elevate.exe
- Size 105KB
- SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
Score3/10 -
- Target snapshot_blob.bin
- Size 324KB
- SHA256 69d9b2ecbc649fed6c41ca18e94f3a36b6770ff7038e9a0d07ae1ab824d9f7fb
Score3/10 -
- Target v8_context_snapshot.bin
- Size 685KB
- SHA256 462919f1b49c9e913042f9e9a738e9510884d5920a426a8a5f1b188e28c4da91
Score3/10 -
- Target vk_swiftshader.dll
- Size 5.3MB
- SHA256 bdf28efb95d1618e211aafafd2060df77ad53b98af8db685379f88aa852c0e00
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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- Target vk_swiftshader_icd.json
- Size 106B
- SHA256 32d83ff113fef532a9f97e0d2831f8656628ab1c99e9060f0332b1532839afd9
Score3/10 -
- Target vulkan-1.dll
- Size 882KB
- SHA256 2f0ae7c191a962a49abe65c8c5c056262de5e2108e1f341b105844034153915f
Score1/10 -
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
Score3/10 -
- Target $PLUGINSDIR/nsis7z.dll
- Size 424KB
- SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
Score3/10 -
- Target $PLUGINSDIR/StdUtils.dll
- Size 100KB
- SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
Score3/10 -
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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- Target $PLUGINSDIR/WinShell.dll
- Size 3KB
- SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
Score3/10
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1