Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    09-01-2025 16:13

General

  • Target

    decrypted_2587456092053789685.tmp.apk

  • Size

    4.5MB

  • MD5

    49a7fb554e1a92d6d1b071664346ace7

  • SHA1

    09fe4fd712ad83941e7cf6afc2468c30de59cf4e

  • SHA256

    26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1

  • SHA512

    35a610afad18e758b548fe107ae4b306aef08aa2f9c06d5c3501365b85c8880ceb7be0cec9d13d5bbffd28957c67c2ffa1e00ae883f7ff67a3ccedfaee456b72

  • SSDEEP

    98304:rUT1biIJ4atOtQ7YBMEGFQXKZ02/a1t6nGGwGrpji8qTueB:QT1p1wB0QXKv/a3i9rNWTuw

Malware Config

Extracted

Family

hook

C2

http://lankfnajasdfzcvvxzxcrrtfas.pro; http://lankfnajasdfasdfcxcescgt.pro; http://lankfnajasdfdsfngaaslsss.pro; http://lankfnajasdfanbabwqeda.pro; http://lankfnajasdfasnbadsfaaa.pro

http://lankfnajasdfzcvvxzxcrrtfas.pro

http://lankfnajasdfasdfcxcescgt.pro

http://lankfnajasdfdsfngaaslsss.pro

http://lankfnajasdfanbabwqeda.pro

http://lankfnajasdfasnbadsfaaa.pro

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 2 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.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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.mkjvmvrwu.uwknrkfyg
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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:4944

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex

    Filesize

    2.1MB

    MD5

    6a9f10ce16936f5a788caecc4acc528a

    SHA1

    9a3843da361fde32d1f75e3499f9ba53c2dc527d

    SHA256

    a9641733758c72633c3cad270795b2a14ba15eeeb1a24c4c6854d98eff20ba99

    SHA512

    850dc528e2ed0f77d02ca6987f3e3f266c9942d90d6681db220b58d7f00836d39eefaf24277dbde394daa18c3db4d003b5ab84f63531415dcd402d33ae97106f

  • /data/data/com.mkjvmvrwu.uwknrkfyg/cache/classes.dex

    Filesize

    984KB

    MD5

    09c1f9b2a250de233cb0aaeb1243a1c6

    SHA1

    08a4cba0bad96b0666959bbb26f0d3efe43cb4bb

    SHA256

    7e59131c913b569f58202babb0f33eba0838f3a1c4745c3d219dbf5c49399391

    SHA512

    0a1d1e717c98ce44163b3eab601b1572c9efea35de4dbba92ee961331b10985c8a7ab9169dcfbdb75283c39271ff46779cb2870fa80ded1ffb7671293554a9da

  • /data/data/com.mkjvmvrwu.uwknrkfyg/cache/classes.zip

    Filesize

    985KB

    MD5

    6b94e809192aedd113b81f9c95ee6305

    SHA1

    3f9aed7ab69f0da2a1bb00cd13cd8a4285694add

    SHA256

    1a274231171f58e109492c2652fda9d9e1662cbdd64fd6f8bff0395c1240edac

    SHA512

    d46c4ad17f7e55294d0edd340396fb5c17f9ff0d2230ce198b161e56706572fd4a6930b59efe091d600a3d6eced37cd68528a2a2c00255ccd278367a814a88b5

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    035ce2b267bc56cbc0a710ab5901d142

    SHA1

    43ef4391614270373b90a15c92e77985ffdb8a02

    SHA256

    5bdda5a67a7ea598b231076636de73dc3b91aad3c6fcfbda014844bbfc56b843

    SHA512

    1eab00e037e110670f57e1a9b04b372bdbc2e6d690bd103a921cc47f426beb1962438c76289654307e12ca9c89bfa43d8c05a46d84f80627c947889a58fee48b

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    3e7373a343d085c23f5a56113ff09c1f

    SHA1

    c84ad5673ad1e1b97bfd0ccc5ca6e64309dd101b

    SHA256

    0b12ca174f81b14da25dfc5e17b42ce748d256096bf14505938fcf37c7294cb3

    SHA512

    48d129ba43b596a1f263152a11b425c0d8d5daa3d7950445d9c3d7f4784d5113e701d94dfb2f8eb8ea48c6693ca1286d9b3f25e3df1f03cd60fbe5c858f2ec1a

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    97f1fd2cabd77a6747686ed2c19fc097

    SHA1

    a363207cb3155d4a4a99d221d63168e982218060

    SHA256

    9e53da246449f396911e040db1cb3310a1c200fa2b489ac385eef9d45814c58c

    SHA512

    5666f7cf6ee68da057f6f9c459bfc21d9d051e5a000a674b6ffc5d71f9832a4205fca68a2938839d340d8a742b1c39c4eac2b461669da4ee81f074ee25f91fe1

  • /data/data/com.mkjvmvrwu.uwknrkfyg/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    f7605694cca1cc93ac9be561595abfbd

    SHA1

    de9cf976b79060480df3dad407afa11adef63c31

    SHA256

    a10bfed8be9b5b85d52dc50223f269fb1ad1295b9ebb4e49eb2cf52e83fd481f

    SHA512

    a4bc658fcf3f6bb2da83131650f0ee9e5a280313dccea1adbf6a887b2b5337218adb13cf9bad89035b6c5434f42eeeffeb61e5991266d0e715e6e51b0b5af2f2