General

  • Target
    FileZilla_3.69.3_win64-setup.exe
  • Size 11.9MB
  • Sample260804-zbwmcazanc
  • SHA256 e87b878746e62c7d16ff04723199ec0ecbbea6680a814c4508b18b8b41ddcdad
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      FileZilla_3.69.3_win64-setup.exe
    • Size 11.9MB
    • SHA256 e87b878746e62c7d16ff04723199ec0ecbbea6680a814c4508b18b8b41ddcdad
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target
      $PLUGINSDIR/StartMenu.dll
    • Size 7KB
    • SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/UserInfo.dll
    • Size 4KB
    • SHA256 e0dc3112796dbaa37f25ab54b7fac2fbf791cbc6e36a84fc61c6423b84a3677b
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis_appid.dll
    • Size 3KB
    • SHA256 e9e1ba410636698d666b328eea71346b8287248d262e44da07ce8b5fa24c5e5f
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      $R0
    • Size 29KB
    • SHA256 4263c0d7e2451fc52e85c8119dd9f07fa50cfbc8aea438b660947214f235307c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $R2/NSIS.Library.RegTool.v3.$_80_.exe
    • Size 5KB
    • SHA256 e7815a8f282e858512477f1de7ffe93b25b028a0c9456e65af00462a8841897e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      GPL.html
    • Size 15KB
    • SHA256 f7e89c1edbbef8bc837b47c48113a2416f1af0cfc2b2218da39085465ea1045c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      filezilla.exe
    • Size 4.0MB
    • SHA256 da6b36e2e247c99e6066e402a9784ab52938cd08c35797640b5dd9733786e25e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Target
      fzputtygen.exe
    • Size 352KB
    • SHA256 834f058155fb072f6750d329d27ca688b4ada9ef453295c06aee99be07642cf7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      fzsftp.exe
    • Size 644KB
    • SHA256 ffa132af3788f76ddcf191e90d9aec40c8d9a2088870a59243566658206929b8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      fzstorj.exe
    • Size 9.8MB
    • SHA256 7a840fbee72b5dfb71dc0f1d8015345e0aeae79435aad09813b9d523ab02b5cd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libfilezilla-48.dll
    • Size 965KB
    • SHA256 d31816058dcc8e5f35cb359b4c9aca4fc6883fce6bc0dd9bbff45de08112fdf1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libfzclient-commonui-private-3-69-3.dll
    • Size 611KB
    • SHA256 2e35ed007b9308964e7e3f175a6329e3fd04e229de8d4020d2523a35b02adfed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

discoverypersistenceprivilege_escalationspywarestealer
Score
7/10

behavioral2

discovery
Score
7/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

discovery
Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

discovery
Score
3/10

behavioral16

discovery
Score
3/10

behavioral17

discovery
Score
3/10

behavioral18

discovery
Score
3/10

behavioral19

discovery
Score
3/10

behavioral20

discovery
Score
3/10

behavioral21

spywarestealer
Score
7/10

behavioral22

spywarestealer
Score
7/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

Score
1/10