Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    10-11-2024 22:02

General

  • Target

    f733ff85b94ca1852541e4c1c8e113660cb3bd7f08d37c9ce12c4eaefee72513.apk

  • Size

    1.2MB

  • MD5

    37a5607315ecccacc8d157add0d47e3e

  • SHA1

    83d5d4deb3717c50e653e820470a1a9b15980c52

  • SHA256

    f733ff85b94ca1852541e4c1c8e113660cb3bd7f08d37c9ce12c4eaefee72513

  • SHA512

    13984cad6ac5960b0f480061b306c7611ee5621bddb8b899bb0d042fa31fadf72e8a8791623796e28a988bac4540fe1b013544d15f1d6bfe60644886bc04434f

  • SSDEEP

    24576:6V9FC8zVgSVxYapYoZxmQCe3WCJvhmEow7MX89JxC5xakAv:Y9FvgS04YoyznsFMN5wp

Malware Config

Extracted

Family

hook

C2

http://192.168.100.8:3434

AES_key

Signatures

  • Hook

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

  • Hook family
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • 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 1 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 disabling of battery optimizations (often used to enable hiding in the background). 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.tencent.mm
    1⤵
    • Removes its main activity from the application launcher
    • 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 disabling of battery optimizations (often used to enable hiding in the background).
    • 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:4366

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

    bbc2da24e681ac177c0854d6ae6f89c8

    SHA1

    b6449e208a71d178ac6ca199834d40ccf66c3df6

    SHA256

    39a91c2061fd78a9fadb983ef4a7376d688fb1bdc26ab0b0f3189505e07807b1

    SHA512

    e6af0e4ea5dbb6fd021bec73c6e73430d10f04d6c8b60668c0798819b1319f2933125ad3c6c546b3f16547a3863f2e2120a9169d99583a2add065cdf49210631

  • /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

    43b7956d2b63e1c6b91ba95dc4a66958

    SHA1

    981bb374194cd4aaa30961ee21a9e462ff403722

    SHA256

    647a0409ddd2740b96398d5e7fa799605fdc855748fd09ddb3cad907030a67d2

    SHA512

    b256b732a8f26e86ba0bc89150454c3cc40a121f85ad7a134ddd44f8f903ffebb088d47d8e049c148aec9069f1aa62cb1abd03ccf701ba39d590ab41cacd8129

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

    Filesize

    108KB

    MD5

    f0ee60245c55476d95d3f5e9d5df5518

    SHA1

    f109665ef5d9842cce8526f20ace0f50dd53ec76

    SHA256

    86e3bd883d626d605e4286798888d5fade25dac7b0de65a1cd84b60a3be9621f

    SHA512

    a5021256ffb3686740d5bd372b36c3b38bd42d37d248662e1552b9eaf17e4a075b323d9aead7944c769eeffbd9b5a7f1ef8f1812588e1117f585cd8e72b8f763

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

    Filesize

    173KB

    MD5

    55373a568fef6aeabde4f047c1181ea8

    SHA1

    f02ce3b0ddbd21b58ea6e310fb86275fcdf48f0c

    SHA256

    8a0e6ec240f4cc876e8b795b55d71871639d91ddd39b05a47744e0e111787523

    SHA512

    1c61b6880c20e3fc84215d20f5e8747b0f5a61432201b7b09f79930e53dc3eed5d3a5cc63ae139b474c3e5e34d2eb036c52b6a2215a75bb2ae75ec65f07b3994