Analysis

  • max time kernel
    149s
  • 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
    22-02-2024 22:01

General

  • Target

    73574e74b7ed1a28073c056e2836ba06a9b98d7a327d9240ffc4b42832d21fc0.apk

  • Size

    1.3MB

  • MD5

    1cc70ee6537c378ceedb4852a223eeae

  • SHA1

    8f651b729ebad19ef6f2befebf5fe2800344682a

  • SHA256

    73574e74b7ed1a28073c056e2836ba06a9b98d7a327d9240ffc4b42832d21fc0

  • SHA512

    6a4d7d1014275fb0d90e69a58ca27c830faa885a695a5523418d245c5427f5fbf33629c9c60581f83497caad812f931c3e81b0b07588018e73b607375dda7de9

  • SSDEEP

    24576:2+AHBgwK+SfMPLhZU4fyHu+c5+SiW+IB96XW9Oyir:b2ZuMzhK4feHSir

Malware Config

Extracted

Family

ermac

C2

http://77.105.132.32:3434

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.

  • Removes its main activity from the application launcher 1 IoCs
  • 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

  • nusku.OxoChatservice.apk
    1⤵
    • Makes use of the framework's Accessibility service
    • 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:4224

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads