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Analysis

  • max time kernel
    59s
  • max time network
    64s
  • platform
    android_x86
  • resource
    android-x86-arm-20240221-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240221-enlocale:en-usos:android-9-x86system
  • submitted
    19/04/2024, 11:36

General

  • Target

    820e9e9c1f7f6148c94e647a175ede95e41efdd882fd4b0177ad443ce8b95e04.apk

  • Size

    3.3MB

  • MD5

    fed46ad35d269dd4fff2e000143b5a62

  • SHA1

    ab44009839aa65c28652262ffc206d0ffed8f2c8

  • SHA256

    820e9e9c1f7f6148c94e647a175ede95e41efdd882fd4b0177ad443ce8b95e04

  • SHA512

    9b0c177839f9030ab2e71d8bb961f239ce87326f420cf179cd4553023d740917f3cdca4378a5922f48155dec68575beda230c246989f2fbab76ae729499cdbf8

  • SSDEEP

    98304:Oc9piReR5PEVJxhHsqY8bkY42LlS/aeHELijWG:leoRe1Zk925b+jWG

Malware Config

Extracted

Family

hook

C2

http://163.5.169.19:3434

AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Makes use of the framework's Accessibility service 2 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs

    Checks CPU information which indicate if the system is an emulator.

  • Checks memory information 2 TTPs 1 IoCs

    Checks memory information which indicate if the system is an emulator.

  • 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.

  • 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 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.

  • Requests enabling of the accessibility settings. 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Removes its main activity from the application launcher
    • Checks CPU information
    • Checks memory information
    • Makes use of the framework's foreground persistence service
    • Queries information about running processes on the device.
    • Queries information about the current Wi-Fi connection.
    • Requests enabling of the accessibility settings.
    • Acquires the wake lock
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4194

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    d8da4945d04b3901ba60eeb3fae22e55

    SHA1

    f6c01e39289dee5b0802e5f31c63812accf96921

    SHA256

    9863c087d4ef5cb478b5e78d55ed2f0749c2bd894c3d11e9d55b87a3fa99e3ab

    SHA512

    9db3b31c61f7db6edc0c71a434861a0678fd31c8a4ee76d16343a3c11391469826786d2141f19416a364311398656be72a77a2fb576b54ed55cb3718b6b6b4cd

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    507c39edc7b26d26cf412cffcb10ae55

    SHA1

    4f3e3a8654e2fab32986a9b91c2c3e96028bd319

    SHA256

    a6c3ea5dde8bf52c984d93cdca96ad14df60201c81e44196618bebcc538e8415

    SHA512

    21d5626bf9ad5cc068c8dc56d2b7dde1b2b18ae70982fa6cdfca2922082433c192b03ad12fa59ab476ffc0b5a7623a73629abc9c4b485803f1db58edbba6d8a5

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    c9cf13d468420bab8525c6bcab5a4a76

    SHA1

    24a99a98b1f9bb98256021c98c626d021700b194

    SHA256

    3c983c45fcd2ea1235c06207f597cf191490dc463687c68b87bc14440b9d547f

    SHA512

    91d324ac3e1fcfe2df1a7ed7d15e8dabea40bb5a33ebaf5dd96f14ff8e754e9914151a8ba7d4cebd624d29ed5f5e42d401e02a3d21aa3d06d94c56f2ea5c9cfb

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    e608e93fb0ed32820307b57daa480e35

    SHA1

    60abacf7dd760764952ae3714b68927ca0c1d1d3

    SHA256

    0103c254cf4ae77006e6c7b9ddd0cd563b150d03fd2507471edfaf45d9906599

    SHA512

    f0e418454fdb00d3d1223e176b7b43c1caa96405089d21e7be41853564708113e4a579226b2459ec8f8bdbe33eed1a8b0e47e7915ddba5150d3b0079a2de24e1