General

  • Target

    7ac24548ad26c9dccb02db99994194ed997288dc0c671d817bd40b14f4219265.apk

  • Size

    2.9MB

  • Sample

    230123-w75y4sef68

  • MD5

    f2566ce8f2bb7cd0cbf78f3b810f65de

  • SHA1

    1a9e165bc385e2f1b8941e0f01b64d1f3f717ef8

  • SHA256

    7ac24548ad26c9dccb02db99994194ed997288dc0c671d817bd40b14f4219265

  • SHA512

    0be097e605edae4757f5e1d4ab7e191dea86439f183ba853269a68dc80608b491f9ec02dfa175d730186b1bfe7644458edb490334d36f23b5ed6276ee5324adb

  • SSDEEP

    49152:Z7MG0EyYPQ7uHI4fldhO2PYvny6693XxKRfJzHsGJ:JMpYPQ7uLx993XmHXJ

Malware Config

Extracted

Family

ermac

C2

http://176.113.115.66:3434

AES_key
AES_key

Targets

    • Target

      7ac24548ad26c9dccb02db99994194ed997288dc0c671d817bd40b14f4219265.apk

    • Size

      2.9MB

    • MD5

      f2566ce8f2bb7cd0cbf78f3b810f65de

    • SHA1

      1a9e165bc385e2f1b8941e0f01b64d1f3f717ef8

    • SHA256

      7ac24548ad26c9dccb02db99994194ed997288dc0c671d817bd40b14f4219265

    • SHA512

      0be097e605edae4757f5e1d4ab7e191dea86439f183ba853269a68dc80608b491f9ec02dfa175d730186b1bfe7644458edb490334d36f23b5ed6276ee5324adb

    • SSDEEP

      49152:Z7MG0EyYPQ7uHI4fldhO2PYvny6693XxKRfJzHsGJ:JMpYPQ7uLx993XmHXJ

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service.

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Queries the unique device ID (IMEI, MEID, IMSI).

    • Reads information about phone network operator.

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

    • Removes a system notification.

    • Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK Matrix

Tasks