Analysis

  • max time kernel
    177s
  • max time network
    188s
  • 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
    09-08-2024 22:15

General

  • Target

    36a53adceb13df0e9dca6d6066d35baf555be6e6c885074a5a8a9e15b26fc914.apk

  • Size

    4.2MB

  • MD5

    eaa11ebe174caf9438fe736ee2963b20

  • SHA1

    26f0d3e7c8c0bbcb73b731d7d54671e9cf140d65

  • SHA256

    36a53adceb13df0e9dca6d6066d35baf555be6e6c885074a5a8a9e15b26fc914

  • SHA512

    c85fe9c23b5d66fb424e2c74c2684eeb9d06b82c422228475772965c2f6b87fbc5f891840b1d1d0c4da82390490b46453ebcbc3a27a1cb9742dc1f25295dfbc6

  • SSDEEP

    98304:JZ9D9JOqybDCGLrHrC2HWF0bouSVn99YfiF4zt:JrJoquNHGgkVvYqaB

Malware Config

Extracted

Family

hook

C2

http://si5sa8cv.xyz ; http://kvak75vdg.xyz ; http://mo8ma55v.xyz ; http://lilisa5ra31.xyz ; http://hiro59su821.xyz ; http://bar471jdn4.xyz

http://si5sa8cv.xyz

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • 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 3 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 information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 8 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • 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.tjttpkntf.flximtrtf
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4260
    • /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.tjttpkntf.flximtrtf/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tjttpkntf.flximtrtf/app_dex/oat/x86/classes.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.tjttpkntf.flximtrtf/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    3e85ee9a5053eafa05c7c3f28d422d14

    SHA1

    fd496902603e4d6f6fe90879b810d623490fb8f5

    SHA256

    28e2f9a1484085139d3051608d09a96951d5dae54d5ff701864a14bbbb44dfcc

    SHA512

    d720d22ad8347c537a4bdd92f44f79237bc20e298f06aa2ebab701084c54113f8f9aee5906935500f19b62ce7a92100de6a6c88b59ae1cded067716256533523

  • /data/data/com.tjttpkntf.flximtrtf/cache/classes.dex

    Filesize

    1.0MB

    MD5

    5d13566177c06a8a0b2ad9c6416694af

    SHA1

    48eeb7b5582dd9acff09b167c57818c0ce4bc8ea

    SHA256

    d3eaa96ca70a498c2ce5743ba3fe33a7f4e46b8e183b74b5ed92276dca956488

    SHA512

    b88b6d580e4192a632146a77aac73e30652d5a8e740562ad02a2cf6fe7428f7093b87a3de8fad83788a6146963fd71dc4289796c5f339f6c5c8ded541b776185

  • /data/data/com.tjttpkntf.flximtrtf/cache/classes.zip

    Filesize

    1.0MB

    MD5

    317ec70fb1fe1211537aaee22bf75780

    SHA1

    f873b60a3372909e49e5a3f8034806ca2815c74e

    SHA256

    1099fa58c7601883f3f43b8efdc395009bbac6d40d5e56a3aad9d6c30de29208

    SHA512

    2398d19c0841844693ee9b61925e42f914acbd443211dd7fbafa11f0375339618c3cdd3df3907b905432553791684cb9d787cca134a29199ed6495ab5fe9d808

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    26d7cd27cbce76f0fc234691efd2d18c

    SHA1

    90aaf9c5a44f4b6037247ad75258225ad7e48e33

    SHA256

    ddcbb41891aa9922ccef8185b678d0f281298c5adf0322134256c2d473346f4f

    SHA512

    5fcecb688980b64c83ce01e5f117707c17d81455c4378cc89e318a99be52c1f16da19efb0434f30824a9bfc742588eb75bfb1a96b071676a2ae6b3e4518b7bb1

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    3f3a53e707d81f8c6cc2c7352abd2834

    SHA1

    4bf8d6012466dfae24f5a4bc2354c9e3fa407953

    SHA256

    92b8204c69bf54ca3a1ee68f94663da58b469a2c310b17026713e4758f63595d

    SHA512

    6f897a4e751ce0532aa72cf8deb9210e97f1f29b504157bf18ac14bc9cc650657774a592f0693956e83ba9604a580b420761d4106ba7ce7221b81e4db3cfb181

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    e745e04713cf58805f7a3bc90b9ac9d7

    SHA1

    c88a2a4c5b49ca754f679f543ff73c99ee20bbca

    SHA256

    db0d6d766ecd5e925753944fc2ea249696e1159e2f6faa8428166b803f04dd1a

    SHA512

    689692e3689be9a0318a2d7230252ebdd1192e289fbcec094076542c6d541aaa0ac92a2926a6f729e9c0add6956faad1f3ca08efa247ab622f1e0b096e64a630

  • /data/data/com.tjttpkntf.flximtrtf/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    e81e86e4fddc047ca262fed37e076ee5

    SHA1

    bec4ed8921cf40712cab4fb80d3f653eba0fc533

    SHA256

    843ecbf5f27af549ed36cd95c7c14a8a910feb4a03886f49e8ecdbfe53665ee3

    SHA512

    fc5434c4111d01b0d060761df8fc2e209476885d581ae12e7db0956932a8d8f521ebdf33599cec895aa8a3c9213ec689125f1c2507f2571a3f527c7ec66aafbb

  • /data/user/0/com.tjttpkntf.flximtrtf/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    4ed996db3780feccae45dba1401a6780

    SHA1

    b11de10077f12433a7366527501deafb66b414be

    SHA256

    33c9127ff24c8537bcee131c261b9fcd9a7ffd99709c37f899dfcbbe092423d8

    SHA512

    1cec7094dd500bf999790a354922abc80ca3e7139b2e8c92de0bcecf7a0acd63269c5d33639f62125c53724976bf5b71d75d2478316a7ea267145abee1feb88d