Overview

overview

10

Static

static

10

6618ea3f8b...25.apk

android-9-x86

10

6618ea3f8b...25.apk

android-10-x64

10

6618ea3f8b...25.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    188s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240611.1-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240611.1-enlocale:en-usos:android-11-x64system
  • submitted
    19-06-2024 22:11

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General

  • Target

    6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525.apk

  • Size

    2.5MB

  • MD5

    b17e35fa36d81db7773a27bf333b237f

  • SHA1

    0f2d79a84e711d148082cd75b36ae3cd124f2371

  • SHA256

    6618ea3f8b7ee93050c777390fd93c58d608da27271a75356e4befd890a46525

  • SHA512

    b54d1b267b294be458d34edd181e487f3e0dc966d16ce42ca9cd855ac163f2aa2deb0b4b782a706b4c7081e5e294c4379a0ab00a3b3ef9f96fcdc041d7b532cc

  • SSDEEP

    49152:C8/fOPaVF9YcLqBnM8ulVnSakdaMRQdBC9uSspyyIUMiRaNg/yW7:C8/2Ef8uHzkR1uX3IviAW7

Score
10/10
ermacbankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencestealthtrojan

Malware Config

Extracted

Family

ermac

C2

http://sollyzo.duckdns.org:3434

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • 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
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • 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 TTPs 1 IoCs
    impact

Processes

  • com.xelinixetohigo.kisinu
    1⤵
    • Removes its main activity from the application launcher
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4478

Network

MITRE ATT&CK Matrix

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Downloads