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Analysis

  • max time kernel
    21s
  • max time network
    38s
  • 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
    16/12/2024, 02:45

General

  • Target

    a66e1a32a8f7ff69d85828966e75be76642028b7e619020f33d9537a78a650b6.apk

  • Size

    9.2MB

  • MD5

    9e91e4499e6be602d7ba5e9d2797a428

  • SHA1

    54acb49700d5e95b4fae97c1a8c8638921b435f4

  • SHA256

    a66e1a32a8f7ff69d85828966e75be76642028b7e619020f33d9537a78a650b6

  • SHA512

    557ae7908feec4579f28a3d139520e4cac6e6ec6e380a812f5183a8ce15aeae00013fea875840e67d550fc90ce9e34a263c35442b984f1631992eee768c677cd

  • SSDEEP

    98304:okxaPVKWe5iSRGyQyToDYNmfxo9j+M0wKVaY0Uc3ZmFiLy5rRs9UJrWaj7m:okxCUVrNToMNmN/FiLy5rR3Fjj7m

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
  • 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.cklauncher81awarehealth
    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:4251
    • /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.cklauncher81awarehealth/app_topic/RaWL.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cklauncher81awarehealth/app_topic/oat/x86/RaWL.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4277

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.cklauncher81awarehealth/.global.com.cklauncher81awarehealth

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.cklauncher81awarehealth/app_topic/RaWL.json

    Filesize

    1023B

    MD5

    7711db73279fc362b8d5ebafc1b90ad4

    SHA1

    25f80c45ec78e3359b1aba5e3baa926d9de281fd

    SHA256

    650a58293a4f5dceea8d85f31d2ec282461becb9cb5965a4b410ee7e5e33a35c

    SHA512

    de6a8ac9ee65cbc415d39fa555ce27763629b29a9131b9aa744ec78a8ba5eb604b6e37f7dadfcd9d4b3cc69986731ba359b611683f3c0c0924628a47b2b51673

  • /data/data/com.cklauncher81awarehealth/app_topic/RaWL.json

    Filesize

    1023B

    MD5

    9106836f039852efec2acddc46ae964a

    SHA1

    751474b9ac19ee681310aaa4a09ef434ff32c3e8

    SHA256

    1510f1c4935d3a0cfb4bc59a51a9476057dcee7d4bd0af515c1fab373e7eca0a

    SHA512

    b4d24b42097c38d95a014128dfcf1dea7ecde53751b4454027366b55462dcb65866723d603c6983f24db9a39b13f790368a3dc20400e29af2172f077b0a75c8b

  • /data/data/com.cklauncher81awarehealth/files/.r

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.cklauncher81awarehealth/app_topic/RaWL.json

    Filesize

    1KB

    MD5

    02c203a84b1f49f7d05c5b6a390a7ddd

    SHA1

    a0db0025fdd12efd84b0353aff0567ee91b8f35e

    SHA256

    341172f6805c0900e9932d11053042642fefb8d5ea6a7571e44b1d0b023fb77c

    SHA512

    4ec33d4bf0b78f32996dc756a820a88e0738e54a5e1c2c945c482bb5c96355abf4f9b1cf4f45323b3f29668a894a5085f8407cb8443b1dd44423c7df58c1d870

  • /data/user/0/com.cklauncher81awarehealth/app_topic/RaWL.json

    Filesize

    1KB

    MD5

    5e0cd10be92e7cf47cd3e2802ee09f8b

    SHA1

    012ad6d982db9c19384155e1e0b199017493ce01

    SHA256

    96ae710261c720cde903b2a505d04de81645a60410053d100e0240311859f87a

    SHA512

    cac6353c5eaf43bcf756d871477373ff1020c99304e0ef755add457da7e9750f872425f47ba68ca1e1650bc36fedfdba18f1485362a5e4a0ddd426c76255e9c8

  • Anonymous-DexFile@0xd2546000-0xd25c99f4

    Filesize

    526KB

    MD5

    f68154f2a6d3b5cda5c7ece042c86fa3

    SHA1

    83ca60e421482c1700b167352706d9b7508d2d05

    SHA256

    aee55f46f571449c4286bc204000ad4a54c138e095144ce1e5ec3f0af43f8a9d

    SHA512

    0e099f9d43ff88b0e1cdfd237e2c58bd3b3938f6dccd6ffb8fb6bd56b615fe243c44f68115c651c2d928c8c1dc26067b4ad4280e1736ee1172ca2f303b91a431