General

  • Target

    Chromeapk.apk

  • Size

    944KB

  • Sample

    230701-hvgtvsfh55

  • MD5

    a7b751b410822403adf979e12e011815

  • SHA1

    927e3fe33a7105ffbdd9fa2fba6d260aaae71506

  • SHA256

    e35aaf008196e4d7872b5159772c8a5645f61423a5cb073471fd08e53007766b

  • SHA512

    7bdeb598c701a7c0ecd608b34c7782d8bfdb2d85e290a838866fc412e0c22c4bf0de1daebc657de7b9c259777a0eefabc27c4016ebd0b111791ac04435df7bc0

  • SSDEEP

    24576:9iAKWox06kfot/buzE00bl/uRWfqFOVcomxg/YSq:UAvox06kfA/b8l0bl/uRGqvomxg/S

Malware Config

Extracted

Family

ermac

C2

http://176.113.115.150:3434

AES_key
AES_key

Targets

    • Target

      Chromeapk.apk

    • Size

      944KB

    • MD5

      a7b751b410822403adf979e12e011815

    • SHA1

      927e3fe33a7105ffbdd9fa2fba6d260aaae71506

    • SHA256

      e35aaf008196e4d7872b5159772c8a5645f61423a5cb073471fd08e53007766b

    • SHA512

      7bdeb598c701a7c0ecd608b34c7782d8bfdb2d85e290a838866fc412e0c22c4bf0de1daebc657de7b9c259777a0eefabc27c4016ebd0b111791ac04435df7bc0

    • SSDEEP

      24576:9iAKWox06kfot/buzE00bl/uRWfqFOVcomxg/YSq:UAvox06kfA/b8l0bl/uRGqvomxg/S

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Makes use of the framework's Accessibility service.

    • Removes its main activity from the application launcher

    • Acquires the wake lock.

    • 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