Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    18-02-2025 21:03

General

  • Target

    AndroidGuncelleme.apk

  • Size

    1.3MB

  • MD5

    087afaba461f25c89a9564d87029101b

  • SHA1

    20aa23f2f56243b3a8ef21a3c3ded6de968142e9

  • SHA256

    c4e0965a0e94bc289b03c7b2ea256a68679a3a6156ec98be96959b90e684011d

  • SHA512

    7d34f8b6f1b2332635c3e5ad3cc837d53ededcb37102683253babb2b4ea2cddc0ee051f1f307f62ec1a45db5d246475982690762d7f88717e263ec2dda31ae8c

  • SSDEEP

    24576:7fmv13KFfEWiFBaC9CFgScUroCjCOB+CxJCXC8CVZC+ChHM/qjWxaeI23tlX:7fmv1OEbFBaE0gSDoiqGeFabMHArrl3P

Malware Config

Extracted

Family

ermac

C2

http://162.0.226.235

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac family
  • Ermac2 payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 11 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 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 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • iltl19.qngkthnh.knpljtc
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:4503

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/iltl19.qngkthnh.knpljtc/app_p5dv.g21.syo0.qja/newobfs/0.pobfs

    Filesize

    684KB

    MD5

    0fb78f9b396ccdd023ecb78b9447c2e0

    SHA1

    3f522e53ab92e384cbe7b40469f01f6451544c65

    SHA256

    9096e478f938923915eef31328bff4d31e3f437d144ee8e3fe46e7c379a048fb

    SHA512

    285a6cdc523518df781c131ed757a534383bf07f0d9245a4c2ec4df385bf313b31d84cca0078c912fe3bfe95d18c0e256a1706806267d8a1c5de7fbafe23e831