Overview

overview

10

Static

static

8

cc3b570fa8...64.exe

windows7-x64

10

cc3b570fa8...64.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 09:54

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General

  • Target

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe

  • Size

    1.9MB

  • MD5

    f09a781eeb97acf68c8c1783e76c29e6

  • SHA1

    ec2b7eebfcbf263424ae194817060eac44c380c7

  • SHA256

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64

  • SHA512

    972fc4759d344c3eab157fe8bb345596592895ab9d27546961a93047142e8236dd876f3449a9f60dd5eb93a54035dcd3d7c8d70d468e3233341bfa4d674cfa64

  • SSDEEP

    49152:jL7kITp6hTJEfHdQ2+Sd3KmkZt1EOS09VE8zbRfc7id4oPg:YITpmafy2+S5KmkZt1EOSP8zdfc7i5P

Score
10/10
dharmapersistenceransomwarespywarestealerupx

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 11 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe
    "C:\Users\Admin\AppData\Local\Temp\cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:324
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:316
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1868

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1932-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1932-55-0x0000000000400000-0x00000000005E6000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/1932-56-0x0000000000400000-0x00000000005E6000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/1932-57-0x0000000002490000-0x00000000024C4000-memory.dmp

      Filesize

      208KB

      Download

    • memory/1932-58-0x0000000000400000-0x00000000005E6000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/1932-62-0x0000000002490000-0x00000000024C4000-memory.dmp

      Filesize

      208KB

      Download