Resubmissions

29-07-2024 16:37

240729-t49f1sscrf 10

29-07-2024 16:30

240729-tz654axerq 10

Analysis

  • max time kernel
    179s
  • max time network
    188s
  • 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
    29-07-2024 16:37

General

  • Target

    Malware.unknown.apk

  • Size

    3.0MB

  • MD5

    75c0eb2c78ff31534a588ec47088b622

  • SHA1

    abc703f6e5b824d0a1c14108228009001509a162

  • SHA256

    0de7ded6e4db0cb540ef7249c4bb96ca3147aa193801b06c5235781271bc4b23

  • SHA512

    d0b74f972f851fc7a1f715e152e6f439a080b4d7b1f3129cec6c3164d8b1f75c34a920c393d5d05be45185a2b926b6c382b5e83387436b7905b2500e3db4c36b

  • SSDEEP

    49152:Y09ypryDHH0D6gmPOroTV8asMbUCNhSBNwj0ciNcJ3W7HxTQqUonX73lwp:YXrWn0DAOroTV87w4kjD09RzUsyp

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 2 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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.

  • 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about active data network 1 TTPs 1 IoCs
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.xunmeng.pinduoduo
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about active data network
    • Requests changing the default SMS application.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests enabling of the accessibility settings.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4245
    • /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.xunmeng.pinduoduo/app_apkprotector_dex/xCSswjlO.king --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xunmeng.pinduoduo/app_apkprotector_dex/oat/x86/xCSswjlO.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4274

Network

MITRE ATT&CK Enterprise v15

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.xunmeng.pinduoduo/app_apkprotector_dex/xCSswjlO.king

    Filesize

    2.4MB

    MD5

    5b49441a9350dd3b4dba093b8faa2c8e

    SHA1

    bbe36075bd706b87eb7f96fc498c83088b717226

    SHA256

    c23491993bd680fa89ca42a5ff0695365e07c83874e4db29b96234d8a21fe10d

    SHA512

    e4ce7f58ed24644094dee157d4e364c9bd4d68507bac760c760695dc2280052914bfeeb2c020f53b4e9e5da75e173bba28fd994176a4cea66d79a0e648279f94

  • /data/user/0/com.xunmeng.pinduoduo/app_apkprotector_dex/xCSswjlO.king

    Filesize

    2.4MB

    MD5

    3295dbeea222279d227a2c3cab5d99ca

    SHA1

    a8cdf90f561932d3c4d731df6bf659229488167b

    SHA256

    c6c265e23b50e5375c9e67b27da8bb36ada0f10840a2881720ef4f3314abd6f8

    SHA512

    27a15346ee73a817fcbcf6a80c4c576e91b74d2f0141a11fe11a5be8cd94482e3597a54e0277475b420702ca064d02422bff3adc9d702215a8f59a1d01ffea00