General

  • Target

    27b3e88f94573043132eb16dc810c77b0426b8ef3ff99a30330891bad17f0f08.bin

  • Size

    902KB

  • Sample

    240125-1xpxcshbhm

  • MD5

    422d0e4c21e4e5f28973ee3567f1fba6

  • SHA1

    e1a473b5fbd86b0a593a6faa394275913ab0febf

  • SHA256

    27b3e88f94573043132eb16dc810c77b0426b8ef3ff99a30330891bad17f0f08

  • SHA512

    69b7f1a66a8b4baf1ccb0a6fd078bb31b661ae3a2670aeb38d50527ae7e56217b34bc45c871d7911e19dad93319a85ad64e156864a6bc6c7fabd41e5f3b6453e

  • SSDEEP

    12288:KteOSSgApVDjUawS0GzAltnGAOdhwINtGaEQiPr8OWNgXmikdvFQeeWw9xL:KcOrgSJUaVjElhGAlIHEQlOWimmeeWKL

Malware Config

Extracted

Family

ermac

C2

http://45.128.96.21:3434

AES_key
AES_key

Targets

    • Target

      27b3e88f94573043132eb16dc810c77b0426b8ef3ff99a30330891bad17f0f08.bin

    • Size

      902KB

    • MD5

      422d0e4c21e4e5f28973ee3567f1fba6

    • SHA1

      e1a473b5fbd86b0a593a6faa394275913ab0febf

    • SHA256

      27b3e88f94573043132eb16dc810c77b0426b8ef3ff99a30330891bad17f0f08

    • SHA512

      69b7f1a66a8b4baf1ccb0a6fd078bb31b661ae3a2670aeb38d50527ae7e56217b34bc45c871d7911e19dad93319a85ad64e156864a6bc6c7fabd41e5f3b6453e

    • SSDEEP

      12288:KteOSSgApVDjUawS0GzAltnGAOdhwINtGaEQiPr8OWNgXmikdvFQeeWw9xL:KcOrgSJUaVjElhGAlIHEQlOWimmeeWKL

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service

      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)

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • 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).

MITRE ATT&CK Matrix

Tasks