General

  • Target
    59c94832177bfb5f28a41cf5ea27468e4f503d575efa3c4c9165e4c923634aa0
  • Size 11.9MB
  • Sample260801-ezrcbaxfph
  • SHA256 59c94832177bfb5f28a41cf5ea27468e4f503d575efa3c4c9165e4c923634aa0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      59c94832177bfb5f28a41cf5ea27468e4f503d575efa3c4c9165e4c923634aa0
    • Size 11.9MB
    • SHA256 59c94832177bfb5f28a41cf5ea27468e4f503d575efa3c4c9165e4c923634aa0
    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops file in System32 directory

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      7z.dll
    • Size 1.2MB
    • SHA256 f661fdfe368d2e69c47faee8942e73ffe763a58a317fe99825ed47482ce52163
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      7z.exe
    • Size 339KB
    • SHA256 f2e7726726c8cfc23e84de198abc04a5fe73249dcdf9ef9e5ca2b83e23643ae6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      WeaselDeployer.exe
    • Size 633KB
    • SHA256 36c7457a553d57df1fa3c796bbd8131847bd1fb3555cb1b7bb91f7fc63dee719
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WeaselServer.exe
    • Size 2.1MB
    • SHA256 de50ae7768af14efdfcbbcc77c473ec141eb089d00177f5ef13e7da4df664f1d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WinSparkle.dll
    • Size 2.7MB
    • SHA256 475d92e596e5295e98f351de3b65bb87f1d11b4082a94c2bd35ec72531bcccdf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      curl.exe
    • Size 3.0MB
    • SHA256 c64a615bb61401006d79cfd2e169a04a8c67582c6f9f023604510c1d915e93ff
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      rime-install-config.bat
    • Size 656B
    • SHA256 942514f08c306482bf80a7f7e21eddd55734134c6b560ec39c10ced3f8d6f400
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      rime-install.bat
    • Size 10KB
    • SHA256 889cdcd779a158c71e5a08bc313553adf60867c300672ad7c5fd141ea221b23a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      rime.dll
    • Size 3.6MB
    • SHA256 86b4c7357d4c6d293ce5589b234d8859ca2ac30923a03bedfa3926eeaf97fb0b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      start_service.bat
    • Size 37B
    • SHA256 be91ec759719207ec13d62ee479cdac7e7b7effac7515b59ef834bbec44d484f
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      stop_service.bat
    • Size 33B
    • SHA256 cfe581c1702895dd3fe12f5109ff6115c8fc7b761145f990d6a585892041d7c7
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      weasel.dll
    • Size 900KB
    • SHA256 bf9f70f04f1cdf008ae50030710201dba0de211fa02949577e60322478710661
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      weaselARM.dll
    • Size 891KB
    • SHA256 ac0773512ed5c376a5340e4fcb68abdde2ea405b0bef9853a0112edb33298355
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

adwaredefense_evasiondiscoverypersistenceprivilege_escalationspyware
Score
7/10

behavioral2

adwaredefense_evasiondiscoverypersistenceprivilege_escalationspyware
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

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

execution
Score
3/10

behavioral20

execution
Score
3/10

behavioral21

execution
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

execution
Score
3/10

behavioral26

execution
Score
3/10

behavioral27

execution
Score
3/10

behavioral28

execution
Score
3/10

behavioral29

discovery
Score
3/10

behavioral30

discovery
Score
3/10

behavioral31

Score
1/10

behavioral32

Score
1/10