Resubmissions

11-11-2024 10:29

241111-mh7lzaxhpj 10

11-11-2024 09:46

241111-lr2awa1lcr 6

Analysis

  • max time kernel
    20s
  • max time network
    33s
  • 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
    11-11-2024 10:29

General

  • Target

    e0d06c8312d400e79d82cbddf3bfd8d357d1c6be9306e1a116a4deef4a111f87.apk

  • Size

    7.5MB

  • MD5

    c942eabe0e901e2b7ec45fd20ed3b989

  • SHA1

    a239dcd995016494943d1e4eb61d49ef4ec8c383

  • SHA256

    e0d06c8312d400e79d82cbddf3bfd8d357d1c6be9306e1a116a4deef4a111f87

  • SHA512

    091b88790ad27bc027071ea9108710f15c1a8aab0313b8f8ce46b9253b209c570b4edb0ecd5d34549d6fca93453698ca84f973bcc1a35813e9ede8b857db834e

  • SSDEEP

    98304:eItC5M6Rc6oj7hRs8qF5iSRGFYVKUJptnuYI6wHP1j1y8Cgai:ztC5M6Rc1j7hRYrrUUptuvv1vp

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
  • 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.cfroutines8launchermover
    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:4261
    • /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.cfroutines8launchermover/app_trap/gj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cfroutines8launchermover/app_trap/oat/x86/gj.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4287

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.cfroutines8launchermover/.global.com.cfroutines8launchermover

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.cfroutines8launchermover/app_trap/gj.json

    Filesize

    1010B

    MD5

    67dcd5006e6ffa46cebc60ec5de24d0b

    SHA1

    986c57ffae3c17d98b141dc47b9a2303cf51cfd3

    SHA256

    af7212fb9b6641e1854cd736c461bad4bbbbf11d6c84999f37eb10676584413f

    SHA512

    3e50db4e3342ea56c1453f338f1158b63ab3caece089cc3b7bd3fef69c996629a786552dcb46fed3969459351630dc841d990593e94fbc1334e570b35a45bc40

  • /data/data/com.cfroutines8launchermover/app_trap/gj.json

    Filesize

    1010B

    MD5

    8d5205cc7aff0b13a53a1d093710a8df

    SHA1

    136f5c0ffd35be338e1a37448375b8353055b9f2

    SHA256

    af1d4b012850e969b4a82d9adcb6ca7ab3b7a66aeb811fe94c5f6cfbd516cd59

    SHA512

    032e05f69814b7b0d02f6bde1c5f0c8d5d91dc6656c596ac9691cb3a5b28b1920121840605d285c9ff6325143938f193948fffe949af4c2c0e3ca1460f9176b1

  • /data/data/com.cfroutines8launchermover/files/.w

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.cfroutines8launchermover/app_trap/gj.json

    Filesize

    1KB

    MD5

    66edf8d986345d6b044c5657a994f054

    SHA1

    611e2d93f832e80632fd606752be247e3b2aa758

    SHA256

    f83c26799696a2d085f72661fe7dd0a2ff5f90404271ce365cc40bf2f5a9710a

    SHA512

    a6cd61fa7c8145ecca22a26f1256e8abe195b41e30515dec06e031399c8155db4e2fe4dac7df2054be7194187466d02d5be2b8eb3a97f758fbd60460f6118eb4

  • /data/user/0/com.cfroutines8launchermover/app_trap/gj.json

    Filesize

    1KB

    MD5

    ab42662c3bd6c43075ecd1e1be50b33a

    SHA1

    89821661097debbfaca1afd4b30cba883fe68892

    SHA256

    f04c293274fdeb04bf7bc11908a53e9f36db983e9d70818781197072b888dfb4

    SHA512

    7dd53b71d1a2f27f899d3426443e3231f0067ecab207822c28b305a302b261bee4468337f24c78eab6edb84baf9a6d4116e103061a201da5ac4d3280c984c7d8

  • Anonymous-DexFile@0xd53f8000-0xd547bb2c

    Filesize

    526KB

    MD5

    0a89931e5e93ad5236ecab2277346394

    SHA1

    ba53ad6068007ef8a0cb46560039a6ca996c2d12

    SHA256

    efa28bf4c963b09745834c938feedbc7ffbc87288ccad2891dac3aedc1df4915

    SHA512

    e03791333651143772268dcec9312742cf542a7e775fc696b7f47f69c6f53aa9f7e82526e5ad0bf995d1472987dd7195145d2fbb1bcd1f2512e07549ef79bd34