General

  • Target
    Koala.Clash_x64-setup.exe
  • Size 150.8MB
  • Sample260627-kkh1aaav3j
  • SHA256 aa3a68e3437710a4520309971852ab57320f4bf87ebef4fa7f10d0260936c34a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Koala.Clash_x64-setup.exe
    • Size 150.8MB
    • SHA256 aa3a68e3437710a4520309971852ab57320f4bf87ebef4fa7f10d0260936c34a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • 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/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/file-icon-info/dist/FileIconInfo.exe
    • Size 9KB
    • SHA256 9e65d5a73a8d87b0125d11617ed89fc81c442102554741186609360d1540b04c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

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

    • Target
      resources/app.asar.unpacked/node_modules/file-icon-info/dist/file-icon-info.js
    • Size 534B
    • SHA256 2e4adf73c78862eab77fe9d5da5008465856b399e1974de6698dce07c3a5d8ef
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/file-icon-info/dist/index.js
    • Size 177B
    • SHA256 3b86a4faaac183730adb849f4ab9fd7f6ee6c441996ecb0a5aadb504d0872cf9
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/file-icon/file-icon
    • Size 271KB
    • SHA256 7832fc19b834c8ef797b487cbacabc5247f3a9b76d5bfe6214950f4a940bfd81
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/file-icon/index.js
    • Size 2KB
    • SHA256 f287670a3528abd5b1f718b1625196c5d351c581dae66dc1b09526f9fd6cc197
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/lightningcss-win32-x64-msvc/lightningcss.win32-x64-msvc.node
    • Size 9.1MB
    • SHA256 83e7e838ef1bbf5454c651103574fec31a1cec0b453b999d1173365cbc6c7841
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/files/7za.exe
    • Size 1.2MB
    • SHA256 b0cfdeaf429f5cc53f85123dd8f5a5feb92c19d31aa34df257edf9a26be05f95
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/files/enableLoopback.exe
    • Size 82KB
    • SHA256 f0c328376bd5ae0ef3b0eb19ac1f343c24a9abfe7bc1008d3b2f6ef3573d04d1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/files/koala-clash-run.exe
    • Size 2.0MB
    • SHA256 b8339661f7321900ec42283adc63fc0058797d264227c03970b9126af401f292
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/files/sparkle-service.exe
    • Size 8.4MB
    • SHA256 ef06832e42a937d2f41330431e10c380edbbe9736d98933f7ac3d79e530e9a74
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/sidecar/mihomo-alpha.exe
    • Size 34.3MB
    • SHA256 d5ca84b9fe9ffc043205f0c694a8de3e78dcadced42c1f568b2e14dc63696ff1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/sidecar/mihomo.exe
    • Size 34.1MB
    • SHA256 f519a3f6647642014554d430b267d6aab56cb516edf51fd2fb1f929c2e85cae6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vk_swiftshader.dll
    • Size 5.3MB
    • SHA256 176adce81d9f0f1aac302806be3dbb67abda46e13355bb85c4868057c6e3a223
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vulkan-1.dll
    • Size 900KB
    • SHA256 d5acc73241b46dcfd7ea5f970eab9fdc2ac5a3dc737e23d5947980972ed0a2b4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $R0/Uninstall Koala Clash.exe
    • Size 445KB
    • SHA256 6b307f9a11a05fe16d3461c9670fb3f04f1eed71d858d8d552e80e181a83f60e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • 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/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscoveryexecutionpersistence
Score
7/10

behavioral2

discovery
Score
3/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral7

execution
Score
3/10

behavioral8

execution
Score
3/10

behavioral9

Score
1/10

behavioral10

execution
Score
3/10

behavioral11

Score
1/10

behavioral12

discovery
Score
3/10

behavioral13

Score
1/10

behavioral14

discovery
Score
3/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

discovery
Score
3/10

behavioral22

discovery
Score
3/10

behavioral23

discovery
Score
3/10

behavioral24

discovery
Score
3/10

behavioral25

defense_evasiondiscoveryexecution
Score
7/10

behavioral26

discovery
Score
3/10

behavioral27

discovery
Score
3/10

behavioral28

discovery
Score
3/10

behavioral29

discovery
Score
3/10

behavioral30

discovery
Score
3/10

behavioral31

discovery
Score
3/10

behavioral32

adwarediscoverypersistenceransomwarespyware
Score
8/10