Overview

overview

10

Static

static

6

039c797801...7c.apk

android-9-x86

10

039c797801...7c.apk

android-10-x64

10

039c797801...7c.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    android_x86
  • resource
    android-x86-arm-20240221-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240221-enlocale:en-usos:android-9-x86system
  • submitted
    01-04-2024 22:01

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General

  • Target

    039c79780123d3a766255749b32800a8082a1fc389455ed9ae9c5d82c0e9f37c.apk

  • Size

    1.2MB

  • MD5

    ed60b0b6d8f192003f2fb8d8afbe78df

  • SHA1

    729f773a78d3958b99114135dc62dd60e10b8c04

  • SHA256

    039c79780123d3a766255749b32800a8082a1fc389455ed9ae9c5d82c0e9f37c

  • SHA512

    ceabec4602e9b301bdbc58199b3d8bd3a9b163bcd46497fdb25da4fe7b3bb8cf63ef6ce655c8b8eed7d731553c28ae6ad8d49d6a45b8be8ab57c92fd7a02a221

  • SSDEEP

    24576:OyUlG6UFYQQVeXJtJeu5XS8UiRCVL3X0Mgh8j2F/vt:X16U6UZeyiz6LI2F/F

Score
10/10
ermacbankercollectiondiscoveryevasioninfostealerpersistencestealthtrojan

Malware Config

Extracted

Family

ermac

C2

http://194.26.135.189:3434

AES_key
AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac2 payload 1 IoCs
  • Makes use of the framework's Accessibility service 2 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasion
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs 1 IoCs
    bankerdiscovery
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • 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.

    evasionpersistence
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.jakedegivuwuwe.yewo
    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
    • Makes use of the framework's foreground persistence service
    • 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:4193
    • rm -r/data/user/0/com.jakedegivuwuwe.yewo/app_ded/bW8fv7abWsNpWgrwzNyu20PldM9NLReS.dex
      2⤵
        PID:4251

    Network

    MITRE ATT&CK Mobile v15

    Replay Monitor

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    Downloads

    • /data/data/com.jakedegivuwuwe.yewo/app_ded/bW8fv7abWsNpWgrwzNyu20PldM9NLReS.dex
      Filesize

      684KB

      MD5

      d99e702eaeaf673849aebafaede3fe72

      SHA1

      01d6a14ba520157ad3cab47d05b4ecaf061c714c

      SHA256

      6e91c0d62262078fd341491c6cb6ec4ebb4912790f136dfa303345902abcceb1

      SHA512

      60ef1bdef93267de9cdc7d39f180f3b1c835bd9d23c663da7d97d31ea702ab91148c1e915daf90ed9316bae0232aa5f6a82645df7e9ebdf9e5e734a7b02bfa9d

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