Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    28-10-2024 15:45

General

  • Target

    fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a.apk

  • Size

    9.5MB

  • MD5

    effc0c4df2687163b906947c7d1edcfa

  • SHA1

    a159f22b3f2dcc9b4610f3a5f22faf3eed5b7bad

  • SHA256

    fe174c98d9d231b91ae159fc54db048efbab5b9cbb7e8b2f1c015b3a4c2abe7a

  • SHA512

    e24290f81f59f8aa98de8739d2d277a14dcd3e3290a95c721b5bfc3b883d28262d5d583c104d0d62616bfa14ec4fd63959041c4abbc22bd8ffa301140c1a1c9a

  • SSDEEP

    98304:qMVUxnVKaPYm3Xc5iSRGBtRsUIacFoUHawHkhUacLQ539bCVSkBl:qMC1Ug53XcrARnITCU6FCVBl

Malware Config

Extracted

Family

octo

C2

https://775f953213e72f9498cb3dc26e7d5ba8.xyz

AES_key
AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
  • 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 2 IoCs

    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) 1 TTPs
  • 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.hapi_calculator19
    1⤵
    • Checks Android system properties for emulator presence.
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4247
    • /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.hapi_calculator19/app_usage/rqbj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hapi_calculator19/app_usage/oat/x86/rqbj.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4274

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.hapi_calculator19/.global.com.hapi_calculator19

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.hapi_calculator19/app_usage/rqbj.json

    Filesize

    1012B

    MD5

    86fcf676dece74635dac497dfa2e0ce8

    SHA1

    489e161a509acf1572199695daa1dc517df2b863

    SHA256

    b63e233f979ce26b3bee965d6bb5b923d2a8bdca023e887bb98049ab80d5b911

    SHA512

    f399eae90fffb4cd400c6003e754a3dc51e3ba37392f1faf71081311055a31ea88ec813b7b9dc6007232dcf37e457c97cf481f1ed225a9b6d20e702a4c4af454

  • /data/data/com.hapi_calculator19/app_usage/rqbj.json

    Filesize

    1012B

    MD5

    91e9cb5da3ca7ea4a2764c33d39bb3fa

    SHA1

    167dc5eb884b5880a5f3641d641a477704e703ce

    SHA256

    57f83cb67b46184a7c5eb233267b92cbb00d6c72319eea5311d06938d130a047

    SHA512

    2017b4879ca0c5380753cb65404eb7795aef8aa07df462f78591e56ef78d82c230533302bcfd2c11d9bde0658d98fedee0f52340421de7a16b2046f98e152b60

  • /data/data/com.hapi_calculator19/files/.k

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.hapi_calculator19/app_usage/rqbj.json

    Filesize

    1KB

    MD5

    9e629e1e75bd26fffad31c4e3c34898b

    SHA1

    0d4b8cf5dd6430c7a9649f3e7584731fa615703c

    SHA256

    7be54fe8d050ae63a23ab4e38ef918b2b62c12f9a59705e6c19907ca475c2f1c

    SHA512

    98da76429a769e1ee0a5da0d5062782da00b23e6933060c4e869490f1b1b777aebac7fd918efcce1aa7976485dfefd06b9b62ee75a71b80506d31248253ebf78

  • /data/user/0/com.hapi_calculator19/app_usage/rqbj.json

    Filesize

    1KB

    MD5

    2034f3fb71f7fafad1aa220b4505c0b8

    SHA1

    82fc4ab9d71c1fcb600a880c1f71cf68118abf89

    SHA256

    cc2bfe1440551da2eacc33598dcee115851d4564c2fdb41e003e100d1b2e7339

    SHA512

    df9c49b3534a5dd0d748087374203fed362596bb5fcd966168057d3513ecee6fdf904d6d8e74c91abcce1f662372eab4ce31d7355edc0e0f453f3237db84fd56

  • Anonymous-DexFile@0xcf778000-0xcf7fb844

    Filesize

    526KB

    MD5

    3cb44691b35eaec927974bac7c1c5bde

    SHA1

    b781dd93db17c31ab9e574717689574bd0fae908

    SHA256

    c19a721c5d15f3d3883198ef22ab328e1db5ac1fcda7fadd2eff20975623c247

    SHA512

    4894b25acfeebc309fef16630ad8abdbe8f27ad2b1af2082b7cbe6a00c3c07ce421bf0e02a83b1ea0acd8e026e98feff5ccca76564a0c974b2d22319753da76c