Analysis

  • max time kernel
    152s
  • max time network
    159s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240221-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240221-enlocale:en-usos:android-11-x64system
  • submitted
    22-02-2024 22:02

General

  • Target

    childapp.apk

  • Size

    945KB

  • MD5

    f06826198cc0f9670eb1e2ad362d329b

  • SHA1

    dff99f42a62a39a3aebd10013210fe352c8cc3a6

  • SHA256

    ed0f4bcc4626559abfb1d02de59fc70c796fed58b13758ec080a0bc8db08ae9f

  • SHA512

    0586f250773c99c20cb6eee273e8c7485a5d33ee5a01fb82e0c618b3deceebb0de9b9902164d75fe4d60f6c4a51f64764fb1ca4b3295721431decc13785d31fb

  • SSDEEP

    24576:tYBcF+ai+FfOHHxAhb7Mp8zSxRKgg/4i9:tY+FLi+BOHHxAhnMp3/Kgg/9

Malware Config

Extracted

Family

ermac

C2

http://4.178.96.222:3434

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 IoCs
  • Acquires the wake lock 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 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.levavutojokesohu.puseso
    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:4389

Network

MITRE ATT&CK Mobile v15

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Downloads