Analysis

  • max time kernel
    179s
  • max time network
    171s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    23-07-2024 10:59

General

  • Target

    ef5b77c003be850406ff8a18a35eb094632dcdc8f6112efcde036e3c454dde0c.apk

  • Size

    6.3MB

  • MD5

    19e5c726ccf1b1797cc6b379cf5ba41a

  • SHA1

    f159886dcf9021f41eaa2b0641a758c4f0c4033d

  • SHA256

    ef5b77c003be850406ff8a18a35eb094632dcdc8f6112efcde036e3c454dde0c

  • SHA512

    42b47700eaa27d1fbe66ab0500dfdf18513870fa04a182d445bacb9fe337fa39aac7a50ae4ee2587f3949430f3516c775201c8a0f82a16e321a631b3be0e9f49

  • SSDEEP

    98304:UxK+fjTC9YH16/CFXNf+GtrS4KsREl2uggkXy49mzCzB7Ta0t0JdU/Nt:IKKC9YV3ob4KqruggkXbQz+5ZL

Malware Config

Signatures

  • 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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 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.

  • Queries information about active data network 1 TTPs 1 IoCs
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • 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.facebook.katanb
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries information about active data network
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • 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:4251
    • /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.facebook.katanb/cache/natives_sec_blob799052939469436033.dex --output-vdex-fd=48 --oat-fd=49 --oat-location=/data/user/0/com.facebook.katanb/cache/oat/x86/natives_sec_blob799052939469436033.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.facebook.katanb/cache/natives_sec_blob799052939469436033.dex

    Filesize

    550KB

    MD5

    ffcba9530d4f171ab67983f5d1950b54

    SHA1

    e74f816c65dc89dfbd668d27b65b4da0cde26b49

    SHA256

    ced12259631608d6af65bf72ddb6695d0c945bdc3f539a4e7778377f0ed25e3d

    SHA512

    c6251e08db812b41a63476755ff34f2f4fec232e910a6a4769b0a77a281e7ad48e7cb86f5d7bd7b67b579d3e5ab770b6145600f8877d72aabe626e2bc944ded6

  • /data/data/com.facebook.katanb/cache/oat/natives_sec_blob799052939469436033.dex.cur.prof

    Filesize

    377B

    MD5

    44e6af9219f9292e26be61639f3267ea

    SHA1

    2d8821f1122d42a2a46b9b59c667d8a8b8747ea5

    SHA256

    fb44abecf446e282976717533cb2e4bcc6e3a97723f5b4bc041ea0b9f3da7458

    SHA512

    36a768d7e15ae18011a8281f17bc339588ea4cf1c03f7cda6d4d34a0f39e6d1628caae62a1f8dd610f38d75adb834316e43395df3fea71d1746332bacb857d4c

  • /data/data/com.facebook.katanb/files/cloneSettings.json

    Filesize

    10KB

    MD5

    995c7d59e32429f932a861b4fba1c0f2

    SHA1

    f7557b2253983f226683e40b2c9b98f23abc4dd4

    SHA256

    ed773294442702aba1c7f8b9628302dfae68498432fe3aebf09339d0807b49ea

    SHA512

    89e1411785e80b2fe89744db826ccb504b821656a0729c55eaf19847b9988e6fae66d8b4c6db687901f9177e798412507046173623a3ed5978c1b93e846c8b2e

  • /data/user/0/com.facebook.katanb/cache/natives_sec_blob799052939469436033.dex

    Filesize

    550KB

    MD5

    4ecdf266a248c661a60e78b21cac0857

    SHA1

    5cf08634f40c63bf2b48d51e13935168e465a4cf

    SHA256

    fc42736ea857ccbcca8f65cfb9fb4d32f643be781724020026a386233b304546

    SHA512

    b7edb37b3df48ecd7cfffc60b32d5e800e4de5ad321e91e2ac441daa2377ff5f9fc4bc37bd47c0156926556dfea35ef00e4e1ace86fe646cfeeeed957be65c92

  • /storage/emulated/0/Config/sys/apps/log/log-2024-07-23.txt

    Filesize

    25B

    MD5

    ba30336bf53d54ed3c0ea69dd545de8c

    SHA1

    ce99c6724c75b93b7448e2d9fac16ca702a5711f

    SHA256

    2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af

    SHA512

    eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

  • /storage/emulated/0/Config/sys/apps/log/log-2024-07-23.txt

    Filesize

    292B

    MD5

    111556ccffe0d42f62d1c5ea088aee12

    SHA1

    17059769323ef0bb04f577cb0e520504ca59491e

    SHA256

    444078173f45017f8c632e4513ccbba508b45bf7afafba489ef34d72e6fc1237

    SHA512

    58302f981abe3e5871624c50950eff77c85acba0c22baf56b7740cc7e7636493c79156295f57402a1b9c4a50f12ee6dbbf64b11947868b4bd96791a8a6f3faf5

  • /storage/emulated/0/Config/sys/apps/log/log-2024-07-23.txt

    Filesize

    41B

    MD5

    d47033afff9fdea5177c30833abe6a06

    SHA1

    2779b1cf7705db902554d53d7a1a5d7581cf80ed

    SHA256

    2fe0755cba7b92e817d4919a8e7eb80119f184f98b35a75f80cee9292458dd6d

    SHA512

    edc9adfcaee94b8bfe57c3107e251ae06443a9ea88a5718839e05e54b1bea9c4ca675f6d9f923d4e62840acb7f5648d01d73ef883fe4b0d6db03b800d70c41fc