Resubmissions

07-11-2024 02:42

241107-c7ay7awldn 10

06-11-2024 22:03

241106-1ynqpa1lhn 10

Analysis

  • max time kernel
    145s
  • max time network
    154s
  • 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
    07-11-2024 02:42

General

  • Target

    115f5620fdd7aeda3cd7501d65d92b47ca5dc42b559d63728ad22686de2d085c.apk

  • Size

    1.2MB

  • MD5

    e9e19dd1a26ab153db8d2df9028de604

  • SHA1

    333f47ef8ec04b64bcc9e2a7cbf7cb01ecab30ef

  • SHA256

    115f5620fdd7aeda3cd7501d65d92b47ca5dc42b559d63728ad22686de2d085c

  • SHA512

    6d1459922dd7c18775c47f58f02e06a8804e4bc59bf5d6008331a550ed458551c896a022443ab4735ba5611ffa885c104671432f68697c54b9d59e8dd800d8dd

  • SSDEEP

    24576:uA+D7pWfRtRLRXOrUt1J9b+2M+b6XYIdu6p9sDZugSVbNi:Vg7pOVRXMUnTb+PXFdT9sUgSS

Malware Config

Extracted

Family

hook

C2

http://37.60.251.9:3434

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

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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
  • Requests enabling of the accessibility settings. 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).
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:4255

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

    8e29559aff791978ea22aec1d149f5c5

    SHA1

    068c697b0e1fe631b47558fc0806ad61b71ccb69

    SHA256

    121c525a8b3c87fb5bc3d8eac5548648e4a6721d1f8ee8a3290e436d39539976

    SHA512

    9f9a4f5284c54db6d92aaf0a5e993080b336c7c7ab3461c980ea8e04626b226dbce1c100a99d54eb5b1f37f846b05218ece8fd868e6aec650b24c1b8a87a2576

  • /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

    f49a06c7a323cf3b354fa64b540eac8a

    SHA1

    300af8553af8b38cd9b6b0a35168773286b799e1

    SHA256

    51fc11ad0509b4617e6da493fa8b950ed68c3d65d2ed3fce6232a7dce8a72868

    SHA512

    b0e356ad63d2c4cb94713da9bf33d67737b409876da6d6fbc4f062d0f4a6810d66dd9c503a986cda239cd957efac4a3e2a47506daa244a6e2092d588b4310e8b

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

    Filesize

    108KB

    MD5

    2edb28c51d10d2639433860da59e3599

    SHA1

    5307290b83adc76114e56a94610a41bb3e540179

    SHA256

    23ff4ee755e25ef776be8ccb15d75113f7efadcadb4b4d2767d44f8ca66444db

    SHA512

    79f7bfc654ee4117822a3165a5c20aa5b241157f79742d432fbd434496cfb85145da43c5ae8ceab99bec642b2d2e8489333a416947c94caee737c01d808731e8

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

    Filesize

    173KB

    MD5

    0cfffff3edc575ad1e410f4f23c77a93

    SHA1

    a77993f4d819edd904dbab7de110adb091f14009

    SHA256

    e2fa8ea7a4db7e4c22ee8247cc8b2662fea927e6cc3ede250f84bd65e6db2263

    SHA512

    7c779e6acaf9b445f88c6b4babac086b36e35c79dcef9285e76a2cfa645e86e1336e382525ce7ae01b60e1b0058823b1068009acf4ff25a0176bcbb0403a2906