Analysis

  • max time kernel
    38s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 07:11

General

  • Target

    ac690bb69f747a9e20f42cb2590d1a45a4501e35a9a4c25f75f727018dc52809.msi

  • Size

    2.6MB

  • MD5

    8ee050744b9dd408849f397f4b953244

  • SHA1

    d116d0300f79371d9b0df6a8ecdb2f89dca15524

  • SHA256

    ac690bb69f747a9e20f42cb2590d1a45a4501e35a9a4c25f75f727018dc52809

  • SHA512

    a85b7479e4d6e02adda8fe40eb0f88d1902b00f88e726ec1955b930194200a02e7f8735f9e00d744f41c0dddbd847a7124e9d348942031abf56d5c0f0be7dced

  • SSDEEP

    3072:HsoF9Zhx/Tk6vwYEZepchSYhe22i6hl4Tsb:HsoF9Zzk6IYwGchXke6/Ss

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 5 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ac690bb69f747a9e20f42cb2590d1a45a4501e35a9a4c25f75f727018dc52809.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1168
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding DCC013D4CE0E1CB6BA8151D9DF4612DD C
      2⤵
      • Loads dropped DLL
      PID:1116
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:984
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003B0" "0000000000000548"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1740

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MSI366D.tmp

      Filesize

      90KB

      MD5

      e628d2dabf42a9403e9a8679d61b5470

      SHA1

      c97d6a40a1a58f53b2e60381065a5b06785cc62a

      SHA256

      8a67efc15ba3568fc236365c26a42844d0afd786f5bdb7722f53269e9dd60794

      SHA512

      7319021aa2256edfa04870dcb3fc281420bbcc8b0f517c625b524bb35389192059841f8ff18a69b9ec3ba198fe860173aac5c08a03443ad6867336c32bd15ef8

    • \Users\Admin\AppData\Local\Temp\MSI366D.tmp

      Filesize

      90KB

      MD5

      e628d2dabf42a9403e9a8679d61b5470

      SHA1

      c97d6a40a1a58f53b2e60381065a5b06785cc62a

      SHA256

      8a67efc15ba3568fc236365c26a42844d0afd786f5bdb7722f53269e9dd60794

      SHA512

      7319021aa2256edfa04870dcb3fc281420bbcc8b0f517c625b524bb35389192059841f8ff18a69b9ec3ba198fe860173aac5c08a03443ad6867336c32bd15ef8

    • memory/1116-56-0x0000000000000000-mapping.dmp

    • memory/1168-54-0x000007FEFC341000-0x000007FEFC343000-memory.dmp

      Filesize

      8KB