Analysis

  • max time kernel
    735199s
  • platform
    android_x86
  • resource
    android-x86-arm
  • submitted
    28-09-2021 09:48

General

  • Target

    65619e3afe53268f5cbe5eae6a429f23e712c4412eda8c70dcfd3ebb25382894.apk

  • Size

    4.1MB

  • MD5

    d070db0597d0e5231b561a92bda0aec1

  • SHA1

    2aef7b1f2ec453489a3b4f5fde5d0bec2129fa05

  • SHA256

    65619e3afe53268f5cbe5eae6a429f23e712c4412eda8c70dcfd3ebb25382894

  • SHA512

    2b9c6ba83d25d6f4f5791f0b7041bac04cb179e880a80884357504559dfcebffdea1e06c0f6bfe326f6e7ecd9863b7a6ad4f839d0626d20c540cdc16d860bcbb

Malware Config

Signatures

  • Ermac

    An android banking trojan first seen in July 2021.

  • Ermac Payload 1 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
  • Uses reflection 47 IoCs

Processes

  • com.czxvfknrqnqv.huslcn
    1⤵
    • Loads dropped Dex/Jar
    • Uses Crypto APIs (Might try to encrypt user data).
    • Uses reflection
    PID:5008
    • com.czxvfknrqnqv.huslcn
      2⤵
        PID:5036
      • /system/bin/dex2oat
        2⤵
        • Loads dropped Dex/Jar
        PID:5036

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/MultiDex.lock
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/base.apk.classes1.zip
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/base.apk.classes1.zip
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/base.apk.classes1.zip.x86.flock
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex
      MD5

      108245ec152e5e7a038e0930b27484e8

      SHA1

      6fa4a8d901c8660298e17143d4f950b92957e57c

      SHA256

      167cd3d0737d4fcbcc606a32d210abefd4a1dd25a73e314d87c9108085de6968

      SHA512

      7385b1eab931099a90d30f86ccce17d867e90e2222800af5c3e53cea050039f6a5e2afb41c83303d5aea91c4cc7058f1373623d435191fdc2062ae007549390f

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/oat/x86/base.apk.classes1.vdex
      MD5

      ad143003a77f3085b7ad713cbf49eeec

      SHA1

      767da8fd502f088f293486792065bc3827b20438

      SHA256

      8a4823ffa321c6643a2c2cf05d1db5e6ae367fda7e2250d365a8da79eeec2e72

      SHA512

      d28298f243343a904cb5317f20b5a96be4a5d31144902c5601e8d30a632e5fd0eaf06006ddf2fa49551b8b0c472944e4980d5ff0a19c58ac3e68ec09a400e4f4

    • /data/user/0/com.czxvfknrqnqv.huslcn/code_cache/secondary-dexes/tmp-base.apk.classes2670756161187697222.zip
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • /data/user/0/com.czxvfknrqnqv.huslcn/shared_prefs/multidex.version.xml
      MD5

      6c63eefb21b7448db816b7c608b058ad

      SHA1

      3b1f48562404d1af08fd2d08cd34b74f9dfe674f

      SHA256

      9fe69898d2aee7f68a147f7dcc0f8f31de71b93a57308fcccea6d09122405725

      SHA512

      2cdc0af6da9662cbe74ce0682b9c5c8dedd96c4028f2d534385413ee19cad4ebd740dcb68f09da291f4ffad2a3286e246cfb7eea5e30fecf4e3018146ebc8813