Analysis

  • max time kernel
    179s
  • max time network
    186s
  • platform
    android_x86
  • resource
    android-x86-arm-20240514-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240514-enlocale:en-usos:android-9-x86system
  • submitted
    24-05-2024 12:33

General

  • Target

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad.apk

  • Size

    2.8MB

  • MD5

    899022727c1eed901d9e847a44f017a0

  • SHA1

    27231e81607121522405a98dca3c4efe013d6282

  • SHA256

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad

  • SHA512

    9f3b4b6eb7690c2b688b138d3301f13d320b45832013df366b1743e3b722bd8a42e2746ed4d43e028de0df92f7eca3fce55a970102dbb25431ad67f5ff2796cd

  • SSDEEP

    49152:1KYIc3gRcXBxxytSOLAQniVL5TC1/cGypQqgg9TKAzwXhcHh8xngteZQpy/XyNgl:41xRCNnmFadTC10G4QWiXhWiKtyxXYk

Malware Config

Extracted

Family

hook

C2

http://185.208.158.109:3434

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 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Prevents application removal 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to prevent removal.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Removes its main activity from the application launcher 1 TTPs 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.

  • 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.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • 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

Processes

  • com.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Removes its main activity from the application launcher
    • 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
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Requests enabling of the accessibility settings.
    • Acquires the wake lock
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4297

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

    1e5b40b9fba6e7732dc2e119a7246858

    SHA1

    d38e1238a73bfdd2d429272780dba205ea8a59c9

    SHA256

    badf424656dbe4055315f5cf426c0b66cd617813c01be1fa8d388bc9249c3fe5

    SHA512

    84a50e70b797eb43aa8be6a819ac6b9f1385565153b63576971d16254d64a6d4f0fef2643b652e5edf2653dfa895200f988559a6f14787fe487c177cf8d606f1

  • /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

    3e1c6961353f75d9580faf8eb98780c2

    SHA1

    2cdee9e406a77a29116f48a45e91f5dd79ba0f85

    SHA256

    b543105df3ee421b5ecde7caaef1597bae96381827155bda0ddedf791175b5ca

    SHA512

    a2d2f2957fe4c60448452c53c06107962b756a9d91a9c9aecf2dfa6f9ccae6a0b96ef4a6956ef1260624faf722ef5c672764edc26604eac3cae23260ab72b2d3

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

    108KB

    MD5

    9f8d854628abda5c420eca1e7bb3d934

    SHA1

    7673cf3a52b55d3f61fb82d2b720d788ba88e402

    SHA256

    0d02b39f83525f5b2f4008b2346c858a018d1d8b90b4d0b722f9226763cb7860

    SHA512

    3cfb469107f1d05fd0dd6b99031afd219dec4ea1d01e004845845cb3bc1eadbf29019075b9dc994b91b4580229cd211d72a4fcb705b8abe0d550ce21e6549beb

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

    173KB

    MD5

    da3103774afc805bf3848679f23f02f4

    SHA1

    cfda36d45ca14184dab2291bf86b2fe60f60ab02

    SHA256

    8e539a30a27297ea4d4badbbbe2a1e60a5b9299edb30f960d5822612c03d5e04

    SHA512

    ad8ee9bc72f3bb93b05c5f927e110c77021035dbe852fb5a9a1b9884476af49c1d74c4a61eede6329d09725128bfa2ce46f54e6473b1d98d7403f81c6448f9a1