Analysis

  • max time kernel
    149s
  • max time network
    161s
  • 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
    29-10-2024 22:09

General

  • Target

    951bb2e76ebe9a7493e5b7414c069fa7bc7c7c4d654d8b3e7766b0c15d6f3f02.apk

  • Size

    4.0MB

  • MD5

    93c962d98da4bf16b4be48f6357213a3

  • SHA1

    1d3c5aef39645d3a12e1062d98e19e745352d103

  • SHA256

    951bb2e76ebe9a7493e5b7414c069fa7bc7c7c4d654d8b3e7766b0c15d6f3f02

  • SHA512

    9223bc01a4c697c782a6905870e0f146e49a6f5e42322324a68a4145472b9e05cae35cfa3acfc32fc99b79705d1381a7d1b6c2d8c55a06f85e58004dad1368b7

  • SSDEEP

    98304:v3ncLs7D07yaCePnwlQUfMLa+tDVp4KBvDkP00vYRt:fcLs7AGPeFUfylg00vyt

Malware Config

Extracted

Family

hook

C2

http://193.143.1.24

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 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.matjvujrn.xxkhcnepa
    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:4320
    • /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.matjvujrn.xxkhcnepa/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.matjvujrn.xxkhcnepa/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4349

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.matjvujrn.xxkhcnepa/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    eded9524124c3394ce418c3b2141897a

    SHA1

    172c4e478a7daef40a9882622fd300b07ba3d131

    SHA256

    c90f0ddc64a6179eb9e1661e667b427f3cb4b779c30bd0044b0b47f14954c780

    SHA512

    f8df2611c31bda3d55b7580b04882cd598d51ddf6fbd74f0444c7ae94a228417d3a06e9ced27a4f28283a379915fbe3f724cf5b7ce684787aa664e9397289054

  • /data/data/com.matjvujrn.xxkhcnepa/cache/classes.dex

    Filesize

    1.0MB

    MD5

    e4ca75566978c1b0a164642d5b49106c

    SHA1

    85b4ffdc865c3663204a82a2d535357be32a76dd

    SHA256

    9e45682aac278cf15866a0c8e48241b72e177269f69af2d1a1e3d169f3c09767

    SHA512

    f550ef602281d49e962bdee0699610b460072f5cbb71e9f53bbc9d279678963d50b1dba24bdbf9fa130911fe88b2b80367f3484b3110aac1321cb49f49fcf559

  • /data/data/com.matjvujrn.xxkhcnepa/cache/classes.zip

    Filesize

    1.0MB

    MD5

    e8db6c07574446eff751b92d19e6ab49

    SHA1

    46e7c39830d4c3c8356c349c5998c6243ad7810e

    SHA256

    27dbeafe579a8ffdca215de85bea5eecf1ceb30d60e8f143497f605717a5ef6b

    SHA512

    14c8993fe7287d10b933068d856fb01053434e93244664b1721bfeb7b568e14bbf2c66af164738a8e176475e0dc53a8d85986975b50d26be15c1a633cdaafb16

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    a1709ebe0b3acaa34907083693395b3f

    SHA1

    574440239304b181115a7ecc4f0adc1d0fa6db77

    SHA256

    7ba90e31573d6e24f155b1bad85b759b61f8d52e65d6b706673ef014e3b42bfc

    SHA512

    e8ebabb3859d4c46087b939af43c10a2a162930683471854551deee69a2e375ff56a27a8659365abb2b84635a13a3f23fa718f9e01184e075a4dfc13219f2c94

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    58969d6e36d1800260f219311f39a9c7

    SHA1

    6a403ebbcd06d5d9bf7a82d52f6f6449ec3c5bc0

    SHA256

    b71b8e91760b2bd377852fdd4e7477b436aaaabd66be58aee8e2e374fc3c0a96

    SHA512

    34b5e3442092df474ea02507a28e3a220d0ddfd6ae9579fe2f33c3b160a0cab715132ab69049a37a9c1d0c62dd72093fd872994a94912af6b5a324c42120106b

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    630845676d08f38797e91aa7329a7c54

    SHA1

    c15174375691768c3415dd2f96c69bb9c4786375

    SHA256

    85a71080b60d1ca0a7a9a9b0ae831351fab0ef99a07f6788595d7eb9c737a9c1

    SHA512

    1935292774d811864f83c04e20177c2af0f87a7d2e6a519855138828547530e3d80586a1f572be17ff5b62d41c89c6faec54af38ef32fb13e31f5867f2e7df76

  • /data/data/com.matjvujrn.xxkhcnepa/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    84a62873e51d97954080d60633b83cfa

    SHA1

    39e908028c4799a5dceebab1944fe1661a686aa7

    SHA256

    e84c18f241d7c4ddbfcbce63b436a8ce67a8b4b6d98da414d831910ee586d3ab

    SHA512

    8ab188b2e64827dbec48e00b4183de7931614091f27cc3ce9b7f399f5df6b7eea6fb73a9aeee74db24f812722bd2cb7aea2dfcfe6a31a5ec1c9a0ba04283bbde

  • /data/user/0/com.matjvujrn.xxkhcnepa/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    5ff2d63bdbace79ce85c4a9a87dd3614

    SHA1

    8f5434b4c0e80e582418a0a83afa847246653072

    SHA256

    d3b68c4267e26c71afdcedaba27b08614bfcdbf9dbea7120c372b22124d4a784

    SHA512

    f6f9a4fa43fffe01776c8ed58ce158b5cb72820e581df1205cc38f9cbaf52f89a0af85e0687c46720ac10021c9d27e1cf864aefba26d0709201b36685adf9a9c