Analysis

  • max time kernel
    42s
  • max time network
    131s
  • 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
    28-08-2024 22:05

General

  • Target

    bf4a811f1b2674ba3ec2b4e3d262d9f42e7a8c04df0da07be94a79df9ea04533.apk

  • Size

    3.5MB

  • MD5

    d185c9e746f000ee4e096706dfeac937

  • SHA1

    645366d1f5e6d78df929f4c4edf9a69427d35e97

  • SHA256

    bf4a811f1b2674ba3ec2b4e3d262d9f42e7a8c04df0da07be94a79df9ea04533

  • SHA512

    e73b72807b42ad1cad9dd098dd776c1c224b375da88e89abb8157f8a44b2effa75c6d41f464b51273f852e2990ef0ab33760b1b2af5d3e17f5bff42d23cd54d2

  • SSDEEP

    98304:UCA+Kawfvf4klN/lp5bWrKr2g4YS/IS71zIVV23Zu:UCsawfnBlNdpki2g45rJ9M

Malware Config

Extracted

Family

hook

C2

https://ws.holenomolena.online

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.

  • 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.

  • 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
  • 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⤵
    • 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
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • 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:4261

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

    2575ea7f2f8ab70166a090b8b7413a62

    SHA1

    8d9e4d486231e7a046c013eadd346deaefa1830a

    SHA256

    6915575940fb707b80e411c95d9409434e70885eaf3787854f0f541ee2b8be9a

    SHA512

    a138bf22347168b32db0d342a64c274c9f0c3d6211e703a64337c85f9859989b04b90026541a08998b3a3c03897319d07bce96f369829421780f54bc4461e7cf

  • /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

    915d8eec91186e73ae20a476c6b9a07f

    SHA1

    d43a96eade88e24c092f780cb2f4b130a9a070cc

    SHA256

    642b24c89be89b01ad50888e7fe5a728e7a057f0ebc73c75a5878644b04a7b0b

    SHA512

    6d95a5af08be554ddbadfc1ea8dff1460440a8887c5f194aa8f6b0a150fbe909b1e25a3d50a414dc11eb9cd422c3765928dcf12976f0cf9faf8d0b02a4174f64

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

    Filesize

    108KB

    MD5

    2e23a6b915c5e5150b7f7dcd853a69de

    SHA1

    ea59a8f8ae29adddd5697de24db63706134ca560

    SHA256

    688463250bf233239d6334f175514cd67b0da1f56c3f914ddbf05f2198e52e7e

    SHA512

    3863c4b02450f15d7f4eed415261ac0d81c8adc36ba43ab25e4d80b78ee4660d798e3d95c308dada8e39665626a0c486e4c9c0e76fb243c3043176d8507c009a

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

    Filesize

    173KB

    MD5

    2a98574ed0d41c81c4431163ceafda22

    SHA1

    f291cc01c6d5b4d083d08da20da69b42e330341b

    SHA256

    5b0fae5905851c84b589c4d11c71f4ea054caf6218b185dac4cb67ae2ae79d17

    SHA512

    541862f568eb125a46576167732a63bcafb9f113c06a93d7f7c2a25dfa0b45eba6a690cc4469c8fb54b0925d805f71df3df720db3078e93ddea03f1441f69f84