Analysis

  • max time kernel
    147s
  • 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
    23-02-2024 22:01

General

  • Target

    62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90.apk

  • Size

    913KB

  • MD5

    997a6f8d6b6eb9e196ce39573af35fcc

  • SHA1

    b4723ef1319a9a9c44d06e0536f35ad2d7c0a4ba

  • SHA256

    62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90

  • SHA512

    e0964dc987e54e5165cdb7ba7d7cdcdd1ec68925a7e745c97a9d998ba2d47099e5352a9761cf978449294bbb449cfc17fc5d38b3994489b82bed9dfd418636ff

  • SSDEEP

    12288:Oq4M7S/hdbOWVTmrAVPBqzf8d7ZRTBzDGX33xeoX3dJweYrVQgA4qD55j:ON/rNVTmrAVp+8d7x2B9JcJQg/C5j

Malware Config

Extracted

Family

ermac

C2

http://5.42.67.88:3434

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Makes use of the framework's Accessibility service 2 TTPs 3 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 TTPs 1 IoCs
  • Removes its main activity from the application launcher 3 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • 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.mijirugilozi.kibi
    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
    • 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:4272

Network

MITRE ATT&CK Mobile v15

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Downloads