Resubmissions

10-12-2023 03:07

231210-dmancsdcf7 10

10-12-2023 01:55

231210-cb476abdfr 10

10-12-2023 01:24

231210-bsmh1acgf7 10

10-12-2023 01:17

231210-bnjasabbgp 10

Analysis

  • max time kernel
    1364578s
  • max time network
    158s
  • platform
    android_x86
  • resource
    android-x86-arm-20231023-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231023-enlocale:en-usos:android-9-x86system
  • submitted
    10-12-2023 01:24

General

  • Target

    15328ea6d31bef8ddd15a81e0f5a549b.apk

  • Size

    3.3MB

  • MD5

    15328ea6d31bef8ddd15a81e0f5a549b

  • SHA1

    c52f12651d91a9bf0d625a879b34d194eba69ed4

  • SHA256

    a778818cc08d213d1f66db5fa8b34aabc862569ecb99fd1aea37ff6ccab48400

  • SHA512

    5939a527d289315ff6d354bbd6e834ae9b3f452aebc54114a0fb46cb5422e5537ff0592aa62fbd20d753162f6a3ae56cfd97c4320613d1377a9b5a7d6a525336

  • SSDEEP

    49152:qLzu436uB6iejEyNRe1kqqGI18iNwDelhcTUr4T1S0NwBbGJ3H5+ELr42SKn2IQI:qHuKB6BzReWqqGWNN8g4ETBaJ7n2Izl

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 4 IoCs
  • 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
  • Creates a large amount of network flows 1 TTPs

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

  • 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:4282
    • /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/Zw6IGlco.ppt --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.sina.weibo/app_apkprotector_dex/oat/x86/Zw6IGlco.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4313

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.sina.weibo/app_apkprotector_dex/Zw6IGlco.ppt

    Filesize

    2.3MB

    MD5

    44e5099c255320beb84c347c28d9ffba

    SHA1

    32bccc9ebf25868ac299f14f45da44e166f424f1

    SHA256

    51a29d7ced99b68bf97e8dfff99f3a99aa157c7e6f86161e83935f750c5c73d3

    SHA512

    4efcbd07e80007e6b2c178c203a218cdcdba2c58347010485148e237aa4bc4b6a8c9aa2b53a9907b430349a1643e5e262e4049541dbab09a171b4f0ce73a9d88

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/Zw6IGlco.ppt

    Filesize

    2.3MB

    MD5

    44e5099c255320beb84c347c28d9ffba

    SHA1

    32bccc9ebf25868ac299f14f45da44e166f424f1

    SHA256

    51a29d7ced99b68bf97e8dfff99f3a99aa157c7e6f86161e83935f750c5c73d3

    SHA512

    4efcbd07e80007e6b2c178c203a218cdcdba2c58347010485148e237aa4bc4b6a8c9aa2b53a9907b430349a1643e5e262e4049541dbab09a171b4f0ce73a9d88

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/Zw6IGlco.ppt

    Filesize

    2.3MB

    MD5

    d30fdff5e1af065724fb93a0485558fa

    SHA1

    bfc1c22592902ef6e1b9db375d597d4bed0a1e0a

    SHA256

    d502b442bb18bd65eb7aa16d59aa9bcde0c8940fd78247e53aa67afcac784546

    SHA512

    c6c5fe14a951d97df73a153bc6f3e4c4bbe7a6e21c101a4e6303f21a54ba7c11548bfaa9afbd0c94f4e1acb8ed58941ff9c53de83dd8465e50af40e8beda53dd

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/Zw6IGlco.ppt

    Filesize

    2.3MB

    MD5

    44e5099c255320beb84c347c28d9ffba

    SHA1

    32bccc9ebf25868ac299f14f45da44e166f424f1

    SHA256

    51a29d7ced99b68bf97e8dfff99f3a99aa157c7e6f86161e83935f750c5c73d3

    SHA512

    4efcbd07e80007e6b2c178c203a218cdcdba2c58347010485148e237aa4bc4b6a8c9aa2b53a9907b430349a1643e5e262e4049541dbab09a171b4f0ce73a9d88