Analysis

  • max time kernel
    147s
  • max time network
    141s
  • 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
    08-02-2024 22:02

General

  • Target

    8931d7629dec8b3eff9ff12db1311e50394fa79c9c28472b702fb3f44848a620.apk

  • Size

    2.0MB

  • MD5

    de1c74d6c6d4f8fcc442fc9ec46a0e71

  • SHA1

    9f5aa16b21ac77be6e6caff0ef2b1b9b84497f23

  • SHA256

    8931d7629dec8b3eff9ff12db1311e50394fa79c9c28472b702fb3f44848a620

  • SHA512

    b90fa6ee40984af30b4d0acf2c22c565279e84866176fda4d9314554f24eba5d47f549f170c19bf4701d68dc06861abd09486e5ee831311eb3fc8c86f9eaab81

  • SSDEEP

    49152:osaCh0nqaff87CpAZ7QAfYxl/Vok6UNKepVLT+/Xk:8Jqaff87Cp6QjlSk6uxU0

Malware Config

Extracted

Family

eventbot

C2

http://ora.blindsidefantasy.com/gate_cb8a5aea1ab302f0_c

http://rxc.rxcoordinator.com/gate_cb8a5aea1ab302f0_c

AES_key
RC4_key
RC4_key
RC4_key
RC4_key
RC4_key
RC4_key
RC4_key

Signatures

  • EventBot

    A new Android banking trojan started to appear in March 2020.

  • Makes use of the framework's Accessibility service 1 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 IoCs
  • Removes its main activity from the application launcher 1 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Acquires the wake lock 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.example.eventbot
    1⤵
    • Makes use of the framework's Accessibility service
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Acquires the wake lock
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4488
    • /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.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.example.eventbot/app_dex/oat/x86/f2d49596a51f0ed43a27f1f7f85117.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4516

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar

    Filesize

    59KB

    MD5

    41564c28885f23ca5f0fb932c09db25c

    SHA1

    885147009a28b36cfa8b07037dce071394b4c605

    SHA256

    dd492b91ae1168d98a57c8112f0143694d5dcc4b6167be28aea2c3278b95de97

    SHA512

    ac3d73878d1c22699368b74eec5ab838cc42939e3ae5079cfd2488e4d521efbd3c892e82ebc767c477d216b5231a77d13770fc493f4a0616ef32ca60c659d516

  • /data/data/com.example.eventbot/app_dex/oat/f2d49596a51f0ed43a27f1f7f85117.jar.cur.prof

    Filesize

    259B

    MD5

    cc9d2b544fb6fe6201f8c2ecafb9b04e

    SHA1

    a86bd52ea73fe3a9fab8740905df3a75a1cb8072

    SHA256

    91fa0dd7a0d550f743ac2bab3e2a928d7edeec479e8c3812ea012590833c9a50

    SHA512

    7a431944059bbf86d2b511b672f7221963e50ea411e067ac7ed488dfc0611d4e6fa2fe75991dc2814793036be13189f4688c27148444e8c7ba187eea82d47f88

  • /data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar

    Filesize

    137KB

    MD5

    fe6f91f9af89d65f3d1cf435df7493b6

    SHA1

    65b4cdd11892ab7c9cf68c9d5c2710117668a44a

    SHA256

    65ed5dcdf082d4d09d8052285deab9a005f6cfbe6841d82f5618d8aa072482f0

    SHA512

    79acda760bdcf1f725d3ff4438b6048ab19076fd47f05df9732f4eb8656431231fdf8988b7c2e662dff0012b8eaddadc09ab5aa321034bfd60d85c217877d6e2

  • /data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar

    Filesize

    137KB

    MD5

    841d33a7e38bb50d7211d3c8aa81c913

    SHA1

    9f64063368aecc4a3feba069a50b4ef97added6e

    SHA256

    133f40e9847d2ecafabae139be349b39397cda5e0982d3640fb1bd33eb992fb0

    SHA512

    754326e195be4ba3fc347abf16b30a1c521b23f404d0a08a8f3398c67946b1535a898e73babed031f32991416bb0de550bf00e02bdc3f47ae145034d6e3b716f