Overview

overview

10

Static

static

10

21d7ddfb5d...f3.apk

android-9-x86

10

21d7ddfb5d...f3.apk

android-10-x64

10

21d7ddfb5d...f3.apk

android-11-x64

10

Analysis

  • max time kernel
    61s
  • 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
    25-06-2024 22:03

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General

  • Target

    21d7ddfb5df55459b6fd4da0977a52987f5ba0bef8474b9fc72e584048515bf3.apk

  • Size

    1.1MB

  • MD5

    520932af2256ef232b75738d1dd7ef8d

  • SHA1

    0891cf2c14c478683eff2122c8d6e543b03605b5

  • SHA256

    21d7ddfb5df55459b6fd4da0977a52987f5ba0bef8474b9fc72e584048515bf3

  • SHA512

    eccd0527c67ddb8ac77115d9f22460f7cfe500e0ddcb085e3948e0aa271d355745377792a398c4bb0a2d371f89d9611b411ac76ed55fe82c9b8013b3ce5b99e0

  • SSDEEP

    24576:/XvUdwU+WNHfj+k5SZnHz5j80/1j506ZZwM9ojyyO6Seg/RnUT:/XcD+WpfyPHzJ8019FZSM9XyODeg/CT

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • 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.

    discovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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.

    evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • 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.

    discovery
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests enabling of the accessibility settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • 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.

    executionpersistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.tencent.mm
    1⤵
    • 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 enabling of the accessibility settings.
    • 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)
    PID:4261

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

    512B

    MD5

    26276073736662b2e46e77f64f2635c6

    SHA1

    108dc6bff46e7b822feee4ee3c6d61671e5cadf2

    SHA256

    2f5c643db03fcac40661c69b0051b8b4bec2860f4fa4b95308bc6d15023dc901

    SHA512

    103d67f8719681e81187dc582fb55abef1c31187b1bcb039e953219de3e0e34c6984f110c5f378a39158d0e2a4fcc162b8e1e519986924e460e7df2b48271afe

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

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

    16KB

    MD5

    317ad513cc330d6e9874546e01c2c54a

    SHA1

    2248f44e372048fb67fc2535ae8c5218e2526a8b

    SHA256

    e5042ab311aa2046301117ce1c54f139051f66794b4de9cf805b57600e0ff64a

    SHA512

    a4001d66ad0cfc0e3c5b9cd14806a47162190b93665cd4571faec21fac155bcdb6e831d4e512cb901e1f1af48bf3e705104089b106ad0c4a301b7205f4c6f268

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

    108KB

    MD5

    ae5c6201906ead33a40c99d3133ed534

    SHA1

    fc92ad1ed2776d5898216f0133a1261e2bbcbe5c

    SHA256

    0f80f4b6b367b851de523322f5d1b0b9060cfd247209741c71af2a031dc91b77

    SHA512

    7f3c7e50b856b3b72e8639b581e17a1680233ac09664f8ad37180bbf68504e67d567f532fae2cdd300e9ad3b456e811b78726e5e4533fb8e42b35a20883c6d8d

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

    173KB

    MD5

    41ca781cf49130a5420753604ff01142

    SHA1

    db471a0584d036a28d645bed170669cd5a607c06

    SHA256

    37837b686aefa554126a3aa71a2aedfd2b99598ab97b3bdc261c4899ab7e8696

    SHA512

    78d035bdff500a66828415e33b16c7d4c9daa1c98e57d6c07d6d2a0ddf659d75b8248b9816f74408b672de85aa0ddadf980dc9572eb23b249b864f4f13a90c1c

    Download Submit