Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    07/11/2024, 22:04

General

  • Target

    b3c5a8cf7ac5f1431baab06c9dd44a4a88382713bdf0cfc15e0584facb91c864.apk

  • Size

    4.6MB

  • MD5

    28e49cbe6b51f3bdeaed5b8d15e087b4

  • SHA1

    6dfca961c780b40fe0fab1ea4327f56d55a632c8

  • SHA256

    b3c5a8cf7ac5f1431baab06c9dd44a4a88382713bdf0cfc15e0584facb91c864

  • SHA512

    ac25348886ea4c57dda439956a29ea26bc9e8dadd53140342606c337f831eec87d7ed6e88edd43d66726cb24b6e81d80a5c614df9504bc1daaa4679f1405594b

  • SSDEEP

    98304:2uXa+3/EIqNSBs0nAa1rkjIgqXVV14HSFRe8hCc9XG2fGK/:2+snd0HrkMJVeHqRe8hCeuu

Malware Config

Extracted

Family

hook

C2

http://89.248.201.43

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.eeykwfxdt.xujtukrvj
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4226
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.eeykwfxdt.xujtukrvj/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.eeykwfxdt.xujtukrvj/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4251

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /data/data/com.eeykwfxdt.xujtukrvj/app_dex/classes.dex

          Filesize

          2.9MB

          MD5

          9b27831a8f2754509a8782f8c98e1f6a

          SHA1

          4d6ef47be38e0a8c924fc593062e79e446e79dc0

          SHA256

          680476b3e0018330acb64dedb2308f6e8b5721e4968165633518f348c53649fa

          SHA512

          a8462297937b7ef6297d09ea9ee8f9ab469b47b20c911d2db4d333ff6a0c0fd7310ec9d61826044afc394805080e744cf73d9097897e5fc166131b0805f8860b

        • /data/data/com.eeykwfxdt.xujtukrvj/cache/classes.dex

          Filesize

          1.0MB

          MD5

          8c9cacac61666d4388e3f3462c71d685

          SHA1

          5ecb5dd020289b2005bbc44f92e37770fe5d894e

          SHA256

          3c9f1b117b76a5752cd3040b2ad4bc43460f10f93485a8ac0b6d66f0a95c084d

          SHA512

          0f2de350bf340e882cacfd574a1aa91cfcc67cfe79620271a7d56352d1cdd0bcafb72af2daef166d276b01415ccbfdb00fba37270c1218e54315ed26c939a682

        • /data/data/com.eeykwfxdt.xujtukrvj/cache/classes.zip

          Filesize

          1.0MB

          MD5

          1813f89393149e7420b038d3c3e4dc02

          SHA1

          3c09901e6e08cb97b860119e85663c3b74750451

          SHA256

          849cbe45aaa9eefa6cb4d03b2f4e640d5d284ad4a13873e4bbfea06ada0a8496

          SHA512

          2f587d18f37f76e07addd442fe4f2f0f0213e933b5ab5a78dce5485541d557eac18464f27f3c5ecfb91a48acf10d8257dcdc82d576e9a860c756959516f188e0

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb

          Filesize

          4KB

          MD5

          f2b4b0190b9f384ca885f0c8c9b14700

          SHA1

          934ff2646757b5b6e7f20f6a0aa76c7f995d9361

          SHA256

          0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

          SHA512

          ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb-journal

          Filesize

          512B

          MD5

          d318e5c70078f9cccd0bc6b763b9849b

          SHA1

          28481258a610e4dd92b2046c98d43f40348c4b1b

          SHA256

          598fe03b4c6a2731470a2d8a594fbac467dc3e5be86b2908fe0908320ec9a5e4

          SHA512

          648c46b9a2aa275854b40b079693955405c383777f5a26ba6c2656d0090862985d9debadd5d7e57ba1a1797a16719cb205e1f09354929161aed80bf353a40c70

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb-shm

          Filesize

          32KB

          MD5

          bb7df04e1b0a2570657527a7e108ae23

          SHA1

          5188431849b4613152fd7bdba6a3ff0a4fd6424b

          SHA256

          c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

          SHA512

          768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb-wal

          Filesize

          108KB

          MD5

          3cdc55732372d7db2d25117147fe6e4d

          SHA1

          2257bf745b8e554fc0852c750fc6b5f372c2abfd

          SHA256

          bb7696da6cf9397abfe79919e24e03b15d96aab33f9f9db1436997cf6b67e147

          SHA512

          8ec3ae830e2de97267755d5b4861e2c7030bfb7bd1efe9e129749e14ed74c8416e728268f4cefc3ed361183fd52e48a4bf6725c3fad8cefdaa404553dbc4f8c5

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb-wal

          Filesize

          173KB

          MD5

          ec2e057017e2b1141af9d4a7153929fd

          SHA1

          916b82a82b9fd8c04f536c408cbd8dff2ca4f19b

          SHA256

          ea7c2e33200750c0776bdb941e54c3fb1b6c46ccaccaea16bf920e09d492e1b3

          SHA512

          82071879ac440ba93ad9d2e30a9c4df45f4be8eaa619398bfc5fe36c533ead1d9f5f9955e54bbd2599725a00016de8bf9f76ca23350f790b040e83bee184127d

        • /data/data/com.eeykwfxdt.xujtukrvj/no_backup/androidx.work.workdb-wal

          Filesize

          16KB

          MD5

          0eaf630f3a4d4a76c2b52f8bcb8cd1ab

          SHA1

          82627d7f8bfef72b4d78ee547c411b6890d8941a

          SHA256

          75d1811f6fdf09f86c17910885fcb11908a02b77992bd7fe54bd536dbe61c56f

          SHA512

          1f6ca309ea490fc109fee2dfc319a764184b192c2a43a852c3507955712be57d2cd7eee8ecbe221c93a2a7f173f3e95678b874d5b369ab2b15237d527c84acf3

        • /data/user/0/com.eeykwfxdt.xujtukrvj/app_dex/classes.dex

          Filesize

          2.9MB

          MD5

          52061e0040b3b7fda636dd2c299e4b94

          SHA1

          409bd618f35a4944b5e53f81f8348d4e97276b4d

          SHA256

          edbfef5eb39499874339e586d4f76bbebf8a607586f7c4422a3ce90b996d0c46

          SHA512

          684e9ac71e8fb6d5ca1ffe02abbc263b89f84d1b9ef5687d91440e29d2a2e0624438fc950bdba7abc807ed5d40a802fd3fcb1d93a595cdf84ed9d8edf2ce0b46