Analysis

  • max time kernel
    1656965s
  • max time network
    176s
  • platform
    android_x64
  • resource
    android-x64-20220621-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20220621-enlocale:en-usos:android-10-x64system
  • submitted
    03-08-2022 08:09

General

  • Target

    110.apk

  • Size

    2.1MB

  • MD5

    aaf8cd2c4ac88b48e79736bbe53c114a

  • SHA1

    b3482f2c97fea3e03d8221eeb2f116c4a18588c1

  • SHA256

    71927786fc16e90fe05e1eb032c3591d878c7cfd197d02113d7d006e2d7b171f

  • SHA512

    ba62a4a1900cc0c2d618775ce9892c5df153dde032954e539f73133fbc2ed5303e112ca4b24d9cc804972b434fed1fedf4af55d70db600e19efa173fe16a47c3

Malware Config

Extracted

Family

ermac

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac2 payload 1 IoCs
  • Loads dropped Dex/Jar 1 IoCs

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.ceveluriseze.xuca
    1⤵
    • Loads dropped Dex/Jar
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:5522

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/user/0/com.ceveluriseze.xuca/app_DynamicOptDex/lkkDad.json

    Filesize

    455KB

    MD5

    b8dc757cfb33c5eb101156d556107b41

    SHA1

    74094c723987e18ebd2c9f47eab1c1783fbdcf1a

    SHA256

    94cc344253742f9fc6a9a4ddd14adae3347d6968504cc20809952592dceb04f7

    SHA512

    071432c7b364b9467d6389555bb5d3a7dbdc8ef0e7af5bb7144ffb40ad64b170a4d0bd00e97e853d5a7fbcfa1ce1ccd7a4fb5e2166c30a89d654c9373dc6b857

  • /data/user/0/com.ceveluriseze.xuca/app_DynamicOptDex/lkkDad.json

    Filesize

    898KB

    MD5

    0dd793db94e699d4e490877d6964117d

    SHA1

    28a9aab6508489595a79033d6ae7314fccfae320

    SHA256

    7219a96b565c66810afe1bd59353617e1a968abf30cdc3b43e431f45ca093b05

    SHA512

    3a4047b5d8cbbf1bfccb8f2a724ac2333437932fd486489a0c92163fe74209cf43b9485796e07a3ebb28964024c185245d5af2d26576d1dcf9b93316e09644d7