Analysis

  • max time kernel
    179s
  • max time network
    131s
  • platform
    android_x86
  • resource
    android-x86-arm-20240611.1-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
  • submitted
    19/06/2024, 22:18

General

  • Target
    7c2cda3b77b484079af1befae1d9554b025af1ca159da99a62bbfbd5fb51b300.apk
  • Size 1.4MB
  • Sample240619-175essthrc
  • SHA256 7c2cda3b77b484079af1befae1d9554b025af1ca159da99a62bbfbd5fb51b300
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • ermac

AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Extracted

Family
  • hook

AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac2 payload 2 IoCs
  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Loads dropped Dex/Jar 1 TTPs 3 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.

  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • 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 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.ranixebovura.delasawa
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests enabling of the accessibility settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4260
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.ranixebovura.delasawa/app_ded/ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ranixebovura.delasawa/app_ded/oat/x86/ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4292

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.dex

        • Path /data/data/com.ranixebovura.delasawa/app_ded/ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.dex
        • Size 1.5MB
        • SHA256 7019c6bfd4a49e1fd27aab97bcd586ffa244c3c68401cdd8b07925b6e68c7f52
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 a858d410cc689b8598041f0d60ec2215bcaff8383c59d5fbf8e2cb22a052c711
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 4dc01c7af90c86eb7938f290e3212711446682fcbaa485a3ec65d7fda4764241
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 43e5b807522fa1dadf179a1489245b24b202c1e310461dbd24852cbb650e2e31
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.ranixebovura.delasawa/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 ac2ad1893d3212164165f48a7a4fc5ad6edaeb7234a5ba7ac59fb15319628b2b
        • MD5 SHA1 SHA512 SSDEEP

        ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.dex

        • Path /data/user/0/com.ranixebovura.delasawa/app_ded/ZiHrSbycxxHHsTXPcKPnaY3PW1Yb5Qat.dex
        • Size 1.5MB
        • SHA256 a3c755a919f71d960388992c704e27844bce6f6661068b265963a06ae156d688
        • MD5 SHA1 SHA512 SSDEEP