Analysis

  • max time kernel
    149s
  • max time network
    132s
  • 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
    10-01-2025 02:13

General

  • Target

    26db08ef808409eb973a698d26ac83d99f46c8aa7fa35c96bf8140fd94cb2ca1.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 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.mkjvmvrwu.uwknrkfyg
    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: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.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mkjvmvrwu.uwknrkfyg/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4275

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

    49d7ae9ab7e4a14ee7039a672c083124

    SHA1

    6ed3696b1ef5fec4ae415402544e93f83dfa0101

    SHA256

    9cc74a4d9135620219d39e9797316afb57842d0471a75bf3a9f3b67df4d1808c

    SHA512

    2d7f8bd4cb9475df8c2cdc2298062cf4be2a76fff557c5d55a3cbce03b29a8e95d7d135e0346ed8d8710723429fec0a016149d6c0c59a81f0702f88bc79a3ddf

  • /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

    108KB

    MD5

    ea4701eee3ca6fa77e4b21b7a3d8e80d

    SHA1

    3f3b3bc76b9e26bdf917a2b8f90c5e1eddbda6d6

    SHA256

    4fbfd28d7acadf3817c0ed679c58482be75cedcf800c9c9221707f44c906ded0

    SHA512

    a5d85bced7b8c05d826f4471fe8a33cc28644aec34d97006d8b995155bbe08288894d625140db664f240d250545eb952ab925ad3757e3f6bdca7fd98a4ca7fef

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

    Filesize

    173KB

    MD5

    fc76d4ef18c5bf2b4c61e3f96bf4d8b3

    SHA1

    f8980384d760ce7574199f0d9ce03dea4893ae7f

    SHA256

    892342a69e3533a2eb27f8359f08f6cf439eef4a3dfd1d6c4cf12c24025b0098

    SHA512

    21b3af43f05f3b70c022b45b6a757a4c89e1e16ead283e6a74898119f66a6f2a3b8b1127a761118e30cfddaf7843cb1fd0af8e810ff0b4770041cc1a2b5cdc19

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

    Filesize

    16KB

    MD5

    04f9167543cefccf9068fa5f7920e0ca

    SHA1

    e95a1121a68292a74ecac8bb6d6a427a24b53548

    SHA256

    3d05f5b20f1fbe1619217345e1a4952aa2e3a324d95d2a1c4c49658102622a78

    SHA512

    bb8919248941190fc7721b32af8704fa647ef45071000729a7e7a567cd595a29b456a06f28581b94abdc9d4ea7428c96d24e9fbc458a5526af1020c68b5698d4

  • /data/user/0/com.mkjvmvrwu.uwknrkfyg/app_dex/classes.dex

    Filesize

    2.1MB

    MD5

    a77a73903a3c0bacc15e770262cf7840

    SHA1

    1aadc62528c7aff62c5b2a2da3d2dcc2170be4b3

    SHA256

    819dc6f63153d610136e23d5c590205cfda9e3e9d528ddcc129a3128144d147c

    SHA512

    004a638965c0373734a708ecc566bf8b1415997b93d1468ee4fd0ae9621ff39975b5cbeb0754b064495686f6a09f16250df4e9321fc7c2407e4eeed57439613e