Analysis

  • max time kernel
    22s
  • max time network
    31s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    16-12-2024 03:07

General

  • Target

    base.apk

  • Size

    8.3MB

  • MD5

    51386ae44b4a92f7dedc94a24903b859

  • SHA1

    7382b09c9ec59228991ed16219f5ed3e74ce2144

  • SHA256

    d5cec3b8027cb372260c406a73024637522feb40cb6565eca1b77d770304f8ec

  • SHA512

    b1ab1446ec798ea53a789cde6d6a6a309f02a2e2569b8392f46aaa1eee81c21550469479c2ca1d6a20977dc0a1b55266bb8df8276490cc14e51a59f2199fd5eb

  • SSDEEP

    196608:t5M6fD4TBKZFKjrdUpje5xNj7AR4pUEKbce:zP8BKZFKjrdj5Zt6ce

Malware Config

Extracted

Family

octo

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
  • 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.history_transparentv0
    1⤵
    • 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:4218
    • /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.history_transparentv0/app_way/lxhMrcM.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.history_transparentv0/app_way/oat/x86/lxhMrcM.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4243

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.history_transparentv0/.global.com.history_transparentv0

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.history_transparentv0/app_way/lxhMrcM.json

    Filesize

    1012B

    MD5

    341aa1cca5554b0d5e4ae8976da759f3

    SHA1

    6e92fa4cfe62de8ed921de2bf09b4cefb34e9d74

    SHA256

    e471b65c40c5f0ab9847c6e019b233a62e87dda240bb608409e5606a50328909

    SHA512

    f730005cb690e0026cc640ee290e6ac86b217870e3151b2ae340e0aa89a25dbc7504d788fe42f570f6b89cd5edf7cedd75fa285cdc11cf980334354870c077dc

  • /data/data/com.history_transparentv0/app_way/lxhMrcM.json

    Filesize

    1012B

    MD5

    3382bc07172057820417c81a62c3b426

    SHA1

    0d503f1405d443894cdae4a4f9f95766b88b9227

    SHA256

    c687039befa793b000f2c2bc5f95f07d3c7a61c26330a720429871038051400a

    SHA512

    391071c4b738f5dbfaa20c42d824675bb665b8f2150f6ac83dd41eadaaddb8e8a88fb435d89c958928bb0d3d87730b84067d64a26685631f372917c7f1d820dc

  • /data/data/com.history_transparentv0/files/.j

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.history_transparentv0/app_way/lxhMrcM.json

    Filesize

    1KB

    MD5

    30432dc36b366767d52a839244adc984

    SHA1

    2aae9767e6b73919392253781c6e45338c7ff727

    SHA256

    eafaf8c7c85505a546dd0ad6639d79a12344f9b8a2a09c2019234322f65e4964

    SHA512

    106c17c9ccc4a563b01c410cb7ffbe6e2070147e95663a10aff7d13e20d235380169e04d1d49d112bbe7a75573062e5c91717195127a9dabed173d432e9bcf2b

  • /data/user/0/com.history_transparentv0/app_way/lxhMrcM.json

    Filesize

    1KB

    MD5

    7c0a4e2d807a1e933f5c19db610886e8

    SHA1

    9bf17d9dd4ff76c6f5c1e64e0e067d55bb4df781

    SHA256

    14b019778e62d9dc5542a0959e6a1cffca3a37e4cf1146b09a0ed371ba346e25

    SHA512

    637daba051b2d3600f66212d55b0f0bd44da9a9d25f5fafe7e62b1981135039f2919fd6166ad70f221fe9d81018767c2fe51ea38ae6cfd5e518cb961bd496ccc

  • Anonymous-DexFile@0xd2b88000-0xd2c0b988

    Filesize

    526KB

    MD5

    3efd5bbcce7941e983725c7d8ae6dcac

    SHA1

    79efccaab70bb5cc8a6fefeb410480f4f336170f

    SHA256

    03e92cf313e14ef2daeda503a808d491ed1fda4f7b0b36546cfbd464d8e64b63

    SHA512

    fb2050535dd87a87294c50dac84826a1a2934063a3c0fd4aefa4dd05365787ae3357dea87832d4893ddb99330f5d993b6668d5003f437aaaaa701ab09a311fcc