Analysis

  • max time kernel
    148s
  • max time network
    159s
  • 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
    25-11-2024 22:00

General

  • Target

    8564583d8884530c37150a5193cabb1949c05fc07cf5c8c119b1c03fde25d0e3.apk

  • Size

    4.6MB

  • MD5

    889abd05c789ca7870cbc8380cbb9e9a

  • SHA1

    549ce6cdf003a052a52220b438ccea56c40b5fd5

  • SHA256

    8564583d8884530c37150a5193cabb1949c05fc07cf5c8c119b1c03fde25d0e3

  • SHA512

    73ff7fee227c36849289617eea7e0f694f0538d4d06f1e8ead9a6f09e0a0994e6a3f3139faad919aea43933ed11078e6a9d856eabb0f78e0d9fc78342d01e99e

  • SSDEEP

    98304:gVzChgizffJ66E7kQTdhWEMN/+yR1LAUCKlfj/fExSgaLvj3Q6ag:EzCaizc7n5MR+URlfo5Yvjrag

Malware Config

Extracted

Family

hook

C2

http://185.147.124.250

DES_key
AES_key

Signatures

  • Hook

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

  • Hook family
  • 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 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 5 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
  • 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.yxsqkgwvz.bfqiecahy
    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)
    • 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:4323
    • /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.yxsqkgwvz.bfqiecahy/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.yxsqkgwvz.bfqiecahy/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4352

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.yxsqkgwvz.bfqiecahy/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    4890df35d01cb3f5abe2fe48468808b1

    SHA1

    e34d25fbadeb8797a267f0b14147d6fec3436cfe

    SHA256

    3c11b1fe8e48ea3c0ef920bf17b38bd09888c2e7d5c7328913043a06879f90dd

    SHA512

    a5e5bc39898e96196e9b308a811a640c635e6b9db3c415eec5a5c38e031de83330c7acfa771320234247eb07d601f4c2ae04ca1523778514759b923ada77171f

  • /data/data/com.yxsqkgwvz.bfqiecahy/cache/classes.dex

    Filesize

    1.0MB

    MD5

    10efa14909800042f90a47c5bdc5e1d2

    SHA1

    1824e614dc129b4e58b96c077a6af87db5ec368d

    SHA256

    fc3099255ce95efcbfacf646610d6b940789aa71d850f87d3636f2b36c7435a7

    SHA512

    94e8027c38008165b3ccef7732f53187789f3bb7c0dc3881f01f15b16bde89613376e9f02838dc3aff9ddbb1548ea670a91ba9991f8161a07ed937f0a16447a4

  • /data/data/com.yxsqkgwvz.bfqiecahy/cache/classes.zip

    Filesize

    1.0MB

    MD5

    ba8134fe531d50d6e1255426d99eac48

    SHA1

    83be6708993e2065b1c1e8ecd61ffec34f193c3d

    SHA256

    aadb67dd5bf02b7a595456cac0d4c08bf57f0ce0f2368d033182721762a6a18e

    SHA512

    76f45f1a637d4f9d9c2406037661c330c5c2336ce9c4ef4e082f0f48990378a2877ae7de2947e99ffaea31ac49ea17f52b3ac5b1d186a6fd675e5fee762779dc

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    f0f1f497bbd64d53bc29a7cb54af124a

    SHA1

    d2bd502069dfdb661c093a853fd07d199211da45

    SHA256

    e4becf16840c846e4de35370047e497fbfcc9bf12589f97732b082761cd9bac2

    SHA512

    20b3f8101dfedc5161ab37079149232e693299a2da09377fc9a2c5ed0da24d140dcf93c307bd8f1646afa509e65055624dff0f87c60116ffc237f1a0437e5cb0

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    9cb833bac195ac3bd1faeccfcf47a8cd

    SHA1

    709cb9bd46b277a3c2e6e53922f0f57af2e54f61

    SHA256

    50be1ef7fb1d0181a0650cacf77e1df60afea680240c899c29fb1de010933bb1

    SHA512

    36be18d0f8786c65e5101bf9ddb726f0d5ffcacf87886077740d7a2ac7b7c0fb6db2bcf2da2ca38c85f17bd68c1b51295e2b2ef7a3ca1be83fd25aefd0af5cb6

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    ef823648fa8680961cd5d91dfc3cad3b

    SHA1

    1b1a6d1036a554207b9d805cc1c6778e1ea22f19

    SHA256

    797003ea42e0bb72e649bcdc30c0d2ee95ee037492f055038a5529349ce5a0bd

    SHA512

    380f024ed8c7417804241226d8e5439865d2b6fee8b99a04c080285664c292b0df6ed4075dcdf7393f89baf294192dce58b15f9bd7485d864151e1ff879f6bce

  • /data/data/com.yxsqkgwvz.bfqiecahy/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    407cbe2af433fc11d57baa31b2597069

    SHA1

    f2623f1598d9a03e805febaf37787003ef7f68dd

    SHA256

    65738f29247664e484efc5d326496d9471bbd9355f63d4e4ca3548517d8cbbe0

    SHA512

    e95f1fe51c03de9599956c5c3daf20edfee77a0e88aeccd83593f9cf2b500546fd80276f13b7b02001e1bc1fe73e9921cdc8c5c0a72f889e9b360d7d921d21da

  • /data/user/0/com.yxsqkgwvz.bfqiecahy/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    b59fff0a81f36fee65ed7ad536488bf3

    SHA1

    7a78e729c098f934d1f4389c88889606fccb7ed4

    SHA256

    27ac89a1dac12c1400c767830287444cf1897be147ee28d46aa5d9daecbbc1ee

    SHA512

    eb71fc5b16fe2c1e319cd370647542eccb2cecfd15c439108c5f932650b11b1f94c70edd72fddbcbe0d7490485ea73e84416924e430e7518c6d5d5033afa81ad