Analysis

  • max time kernel
    148s
  • max time network
    156s
  • 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
    05/11/2024, 22:17

General

  • Target

    847e38e3a974c98dfc2cb665f02a5fa52b4ad953ebbb58a1c19b342c1b9234ae.apk

  • Size

    4.2MB

  • MD5

    6256f4d9fee9af8f10159339e94be281

  • SHA1

    a90ae74123209ee3d0839d80dd621827224c622d

  • SHA256

    847e38e3a974c98dfc2cb665f02a5fa52b4ad953ebbb58a1c19b342c1b9234ae

  • SHA512

    425ef476ed4d5294d0a414d51c3e78f2bf00406b00c5a0e23ae919c83a3d7e52dc147720016d4cf900f3a41f015e65f914e78636489f27a0866bdc0360acfd6e

  • SSDEEP

    98304:c7v7tOvevf5CCMASSmABYdXdGwWzjX/Ff7LjYJy+KlnSLx:+gOCrtACdXhWX9Ljh+mS9

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
  • 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.xpystwsnj.wtasjpbcb
    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:4250
    • /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.xpystwsnj.wtasjpbcb/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xpystwsnj.wtasjpbcb/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4277

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /data/data/com.xpystwsnj.wtasjpbcb/app_dex/classes.dex

          Filesize

          2.9MB

          MD5

          2934fe1e8de0a70507f1d2c17b9a44f3

          SHA1

          fb97c19b4a1c4680781920afd6e36b3cf92c961c

          SHA256

          96ce8c7d18eff8e782ee982a4d8bc75a181e46adc43a0f2068bed412623fd7f4

          SHA512

          be17dbb6d5ef9b15b642c0d20d1d1c563534a99b0252f106c5a35dd723f388b575bcad8babc482887bde7acab21b6e0635b8124ec13fc6b8ef27251caca37719

        • /data/data/com.xpystwsnj.wtasjpbcb/cache/classes.dex

          Filesize

          1.0MB

          MD5

          6fea790b65e1790cc8936f7131934035

          SHA1

          84443103ade068db8d58edf032d466b5b7bc54ad

          SHA256

          4470b4fcf02ffcc042a6673eed4f2bd3d488b88401018ea62d5f1a540129dcc1

          SHA512

          5c2695302b1dddc4b412e31a47f4c24e2c0556ed902a003c341d63a9ad0b755ec2939d09450eb62ce338b2b08956a31f67578a88510f9a42a1eeb4b101483bab

        • /data/data/com.xpystwsnj.wtasjpbcb/cache/classes.zip

          Filesize

          1.0MB

          MD5

          7fe25824bd596697af4b7e99903d735a

          SHA1

          0de5f3c71b74c13077ed550f0831cbf6a071931b

          SHA256

          e77c7ba41d8a2d72f227984155f55052733e8816ed566a468c5f45882c2a41bd

          SHA512

          4d39594454f3f14ab6e3ba9a80c17615bb531bb2c7d9ae445b6d45156852c444215d5247438df3218bcf982510bdd636dedc40729499754f9e6bd83e3106e133

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb

          Filesize

          4KB

          MD5

          f2b4b0190b9f384ca885f0c8c9b14700

          SHA1

          934ff2646757b5b6e7f20f6a0aa76c7f995d9361

          SHA256

          0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

          SHA512

          ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb-journal

          Filesize

          512B

          MD5

          44a849a2058e32f7afdaa9a493c230d7

          SHA1

          30d8a998affc706339aa16aa164920234723569d

          SHA256

          abe0f36263f811701acd8e948a856d5a98c452e2b274892547c9b8d3e790f1f9

          SHA512

          5eac1dd313ec95d04693a31c79234718ec5defee5afd5f859f57572de0734c58c7351b2928c36669c0b1e87e320864e0cfc1296c957c33d13d1e9a9293d91df4

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb-shm

          Filesize

          32KB

          MD5

          bb7df04e1b0a2570657527a7e108ae23

          SHA1

          5188431849b4613152fd7bdba6a3ff0a4fd6424b

          SHA256

          c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

          SHA512

          768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb-wal

          Filesize

          108KB

          MD5

          baf324573d8f67f1915abb6f2af638ab

          SHA1

          87c74d82f5fe077afb510b6d04a0b09f3b333c46

          SHA256

          c61d8975bdf5d19adbfbbad997b18bc0d185af4db883095f356c456ec16472ff

          SHA512

          df0ee2f95df4d463d1c370121252455dddd41484ae98748e493783bbeb9898d8d844718631d6a923d406a08f2aa3ca53fb644557fbaa0365bb769c8855123bca

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb-wal

          Filesize

          173KB

          MD5

          e994f9519c68ef17ed062b7678b159b9

          SHA1

          2fa7792290946f2c3124107eb578b01eb79ecf27

          SHA256

          0a0d13b05498f9d18b383e7f86556567511e7e0e95274ea472610b0e02097587

          SHA512

          fab27e66307c81266e21d4014726b0d8a6706e8b2fc9acf0e62671e11cbba016f998618554412a53622ce4d0a64a0961d87d5e021b6b9099add87cce49f906d0

        • /data/data/com.xpystwsnj.wtasjpbcb/no_backup/androidx.work.workdb-wal

          Filesize

          16KB

          MD5

          d964a4344d689e837ed527ee41ce8962

          SHA1

          049e6e4219188886cb7d050fa94a4c867d16bc4c

          SHA256

          05892e8df2253df07e74522e188178cbd70f1e97c0756b0efa0c8b9a947c9b7d

          SHA512

          58f7d81270b8173cef48d2deb85547573dd6de7bfd6eca71957558c474682a14f179f7eda6fbdbdbf0c17ff0a51f95369ad4f1998a9a4a072990e711353a45b5

        • /data/user/0/com.xpystwsnj.wtasjpbcb/app_dex/classes.dex

          Filesize

          2.9MB

          MD5

          6641eb22f004a645162e98bb663c3063

          SHA1

          af2d24ef09279f45364026cd7ae2683297c16b57

          SHA256

          1526f9f81df0e8cb2921a0170e02789a2f6dcb3e1ee8cb8f9629ed4a2870bb5c

          SHA512

          8424fc5f5a6eedc05d236b6dcaaf39be66d73765569d340b6273ef9cfed5d5e258edc5625d7fcdaac62a848500c95a9f638b017c7e6d0946ebd544a752ca91eb