Analysis

  • max time kernel
    149s
  • max time network
    160s
  • 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
    24-11-2024 22:02

General

  • Target

    58180d4a1c17ecf82b1c3bb045e51bb1478373171383bb4fb947197079576144.apk

  • Size

    4.6MB

  • MD5

    f580963570ed7169ff0d6c3b6b002f50

  • SHA1

    e7fc646433db1f87bb91d270d4a734b5fdb4fb9a

  • SHA256

    58180d4a1c17ecf82b1c3bb045e51bb1478373171383bb4fb947197079576144

  • SHA512

    97d84147bac1dfc04d69abe6db26ffcb2e0b3635af41aa2d6cbd1af6048eedd28f3d5256cffe7255005030449afedd49de2daccd7a7f602c424f2d4be79cc7ee

  • SSDEEP

    98304:sWU575lEFL8JgdVv9W07Fdjv/4LzqsiR1k9gW7C7b0GhLYUo6pEBldIo:hQWQCzv9Xr/m1iAV7C7b3hLY+pGj

Malware Config

Extracted

Family

hook

C2

http://154.216.17.184

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 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 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
  • Reads information about phone network operator. 1 TTPs
  • 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.jvsaawrjj.mnhmsmkwd
    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:4258
    • /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.jvsaawrjj.mnhmsmkwd/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.jvsaawrjj.mnhmsmkwd/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4286

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.jvsaawrjj.mnhmsmkwd/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    47932eff90d7974f582965a754006293

    SHA1

    2888606bd889f2559a943aa3f469697ad00fa245

    SHA256

    061e66d408b2e7fb48cbdbcddbadc1f1f8233c9c72e5731a02b982e7fc6fd63f

    SHA512

    00158e3271eafae9b36ff4f16b1e8ea0aad89ade383615b14b2d3ce65b0cd077b4f6a06dced321e9344a5d5868a47a867eb6a3e8c76c7e45356291f86da1e79c

  • /data/data/com.jvsaawrjj.mnhmsmkwd/cache/classes.dex

    Filesize

    1.0MB

    MD5

    a5eb1f274ddddbca56647f1774cea435

    SHA1

    341420bccebe85bf1413bd0705d99f6169f4c966

    SHA256

    587092a48eb747cf37b5dac7453f563a642ea526971c1a7a2e29913f15f8b8db

    SHA512

    16d892ba8d119101d6658ead209a65e26d27000d08c7aefea0441c3a22da95b5b6d8fe8cd4bbd7ff1fc7d876f55da358f679e62fd9098fde0fb06f78ff2114e9

  • /data/data/com.jvsaawrjj.mnhmsmkwd/cache/classes.zip

    Filesize

    1.0MB

    MD5

    da4154536cd8d94974cbc34a5f0a9de0

    SHA1

    a4d6316d63d27dd42deece8af40d08b4b0a90b87

    SHA256

    c472600ef679d51dc68ee284909fd324b431ad6e36f0dc7a12f2058444970b1d

    SHA512

    09f58f00ea06e0054996730154bd15c7d4ac4c76d13485fb719220dafca89b28e88b9c44e0d354d0f036569b470d7fe4fe92cbb048013d6afc421b39adc94c3b

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    e10d95bc1f43e242e545e0169c072164

    SHA1

    a76c1fe72148ffb12cb12f5c35dd480d82fb1825

    SHA256

    97496f3072cc88ba855c24333b97dc7a08fe9c1ca435ea7d66d57c5367407a45

    SHA512

    a2b3f35c56985ddc66ae909c71796a477c2f86720c7dd179df1252990b96d235639ce0d507bc181e135790f3c3533e0a691df7a0acf77625c9dad72f01e9f141

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    71c88ec9389b35d4eab7161fac206003

    SHA1

    e3281144d41a93eaed77c55d3bf32c95abfc12af

    SHA256

    e198189052f438b9c3f2156fffd7b46e0f6b8a89d30c738322a6cd3cc9542cbf

    SHA512

    37fb6d7f0b1cb728ef4b6c8725f7ed47ac5a8ece7ff43e240c4ee87456e38b800a146734abf8f0184b9571b1cb2d1aa66cdf23d785d055ff11f7fe9f7d59f51a

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    e2bc3f30f0d2922bf3ca5f8045437b37

    SHA1

    1aaba6713585599fdcedafe09150a63b68d2bb06

    SHA256

    5cfede620a8f2a8868b0fa7584a8d72ae37591bba0502109fb14c704fcc6ce71

    SHA512

    0f17857a9d73e6288ac078a8c5e3b3fca0d346124f9cde1d9b48f97e961db9fc234f56a71048fa8ca8558bb881eda2568d7e44b234b6e00063bc30fc1ca1a0e9

  • /data/data/com.jvsaawrjj.mnhmsmkwd/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    23994c1b786e4b7836e6b6b884e80b32

    SHA1

    81e5cc3b7bd4da45311431fe90720da472c912f4

    SHA256

    3eb3792af5e75a5af0b9f193f1137b4294eb36a543b14711918876305bf9dcfa

    SHA512

    3a8933dd40b466835101e2b30b72d17a87fd3f727f16b61f4926b1adbd56aa9d5ff6730dd0d7ec872f713a9ff8ac9a5442be61de2e737fae1d7f8b61799dd610

  • /data/user/0/com.jvsaawrjj.mnhmsmkwd/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    2750251366c59fbf2e77fd8ee1ff6182

    SHA1

    71ec08690a17529d84a1ab1982a0bc3fe073620d

    SHA256

    3a077444800f20ec04fd07a81f311bad316670d51381e324193e82bf8f9c17cd

    SHA512

    6e915975e601123ff5de4dc9de9c1b171a3e766bd4ba99854a7c9d04352050633a717a05a7dfdfb9afb1045aa3e64fb3b4cd9fd6944938a63f4cdcceabac08d1