Analysis

  • max time kernel
    147s
  • max time network
    156s
  • 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
    13-03-2024 22:02

General

  • Target

    58653c829d6fa9785aa572c8f027cb2a6165d6bddd40dbfad332fd023fa6e594.apk

  • Size

    946KB

  • MD5

    7e38718ed3d35031dbd54f5bc46fd61c

  • SHA1

    c9c5200e0b2dc1b895b048c31d95e5f43d3fbfc1

  • SHA256

    58653c829d6fa9785aa572c8f027cb2a6165d6bddd40dbfad332fd023fa6e594

  • SHA512

    7d513c4199bd868853244ff34d2504858eb5020455cda7522fa92ef90f34f9e9961a224ddaaa7b60b6fa4f379d2d84ebe159a2bb410ae4d24dbbc21b77622cba

  • SSDEEP

    24576:K3OQZwKUZnwaLl2kPbD2iV8uQSml99lkeug/NYb:K3OwU2W2kPxY5Tug/M

Malware Config

Extracted

Family

ermac

C2

http://20.251.169.136:3434

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 1 TTPs 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

  • com.nuwiculalobe.cifineva
    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:4305

Network

MITRE ATT&CK Mobile v15

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Downloads