Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    03-02-2024 01:44

General

  • Target

    8b116440dae67d7a258c225fd7770bfd.apk

  • Size

    3.0MB

  • MD5

    8b116440dae67d7a258c225fd7770bfd

  • SHA1

    975d318bc82096c586913654e9f15ca643cfabd7

  • SHA256

    7dcb4c377eebc1d4c5efd5ef873d9d82fc0dcf1ed1ec7ce9884ca09341fc012e

  • SHA512

    b3f64e1532f030988daef21287fd52f9d1abf9a3fcad8eb5e8edbcabd47c1d413259b00f5c409221ded18ba66c5639df13245438369f5bbf20094fffeedc559e

  • SSDEEP

    49152:nhyfByEPmieQpAkKKhMpMbKT1SooNrxHauzZ6Fe5K+xmXzoJHNwy8z3RQQi:nuyE5eQpZh3boojHauF4eY+cyyBi

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 3 IoCs
  • Creates a large amount of network flows 1 TTPs

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

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

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Loads dropped Dex/Jar 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Requests enabling of the accessibility settings. 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.sina.weibo
    1⤵
    • Makes use of the framework's Accessibility service
    • Loads dropped Dex/Jar
    • Requests enabling of the accessibility settings.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4253
    • /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.sina.weibo/app_apkprotector_dex/YNF53gHa.peace --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.sina.weibo/app_apkprotector_dex/oat/x86/YNF53gHa.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    6KB

    MD5

    c60ca86979ee981dad79f85c941ad5a8

    SHA1

    fb078c3f4aaa93f411d94f4e5d64051490f9e898

    SHA256

    04186363cdd46d5911a26f067d87d3dae0285e66623b9587c2c0ac1a79d33dcf

    SHA512

    921114800edecd0d2378bee2294d8a059a91057e93b09731d11671e06333b08c6e35965ec4a6aecf4392b416f5e2096b282edc629f9d944ddc641e4eaea30c36

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    2.4MB

    MD5

    dae833e9d575c7512c7d7b78ac3716a4

    SHA1

    b31cb114f2bf8754915375d3551dd34b1edee59d

    SHA256

    a979babac04109cb607b3e4e3844b06b5d2ae5044b9543a2e2fee1f40658209b

    SHA512

    daa982b9d9eb6951ade81ed1e26ab35c4f5d76929629f8c30a6440ff84dfa7044e78baec8a0d2d608fa6032b8065925710f7210f439385edb00bfc4647326e78

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    2.4MB

    MD5

    c5ab0c385e736aba5fbb9865d8460ce7

    SHA1

    a238e126cfee20997943f96dbd27977de2136525

    SHA256

    5d18e6b365485ef8d842cc8589cff3801e9247a0bea392dde3fe0e5f223eae9f

    SHA512

    9eedfda2a91643c04a719c7a8ab5693c313e0a956066cfb8730e1a5d0f368bd35abe015f4e1761af2d496d7c96f5fc33fb42b50d637f00e41e8d5441bb404414