Analysis

  • max time kernel
    147s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    27-01-2025 22:01

General

  • Target

    2230b07509c83a77e68f9372b45ec15babca356adaaca685453a611961570990.apk

  • Size

    3.4MB

  • MD5

    1809ee1fb25caddb137ff598d2806899

  • SHA1

    5fd4e75ebd937da2084a32f66d928a69491fb632

  • SHA256

    2230b07509c83a77e68f9372b45ec15babca356adaaca685453a611961570990

  • SHA512

    b750bc1e8caa370f572171e79e13b54dd89732dc97881705ab5f524ec6a3ad32226ba36987bb03001d2f8482e97e17f21a2b08810f9eb96e8f58db8087c6151a

  • SSDEEP

    98304:8pqvVbCHubZtW/s8nH7uRCa4+w1fzgiue7m8e2iF9cM:DbxtmyK5fzgiiN4M

Malware Config

Extracted

Family

hook

C2

http://154.216.17.69

DES_key
AES_key

Signatures

  • Hook

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

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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 5 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.

  • 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.fcldkxzxd.ujzezjrld
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4462

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fcldkxzxd.ujzezjrld/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    3b6bd8b263a3596c92ea5e0100ddb282

    SHA1

    1adec583d29442dc21e696b92e5daa2c5afb89b8

    SHA256

    9afb0000c924ed1efc853ac3640fc22c50bad711d9c498696ddf042a4b75bcab

    SHA512

    c1c3aaea9e23891e7d73e76d07d7f0aa0b790247eea710ee8cc02acd82758240ec7d9474d29910b8a47ae3bb0c32e27cad05732bf76e1c3de17a2a0e6ad45e72

  • /data/data/com.fcldkxzxd.ujzezjrld/cache/classes.dex

    Filesize

    1.0MB

    MD5

    e61b1a3e1b60614abac1524192858b32

    SHA1

    bae80815cfcaf6d2c9336ae63ce075a3af2dd76e

    SHA256

    fa5271dfef3bdd4fed6e694e994849fff56144ce4ef390439c870639cad98d51

    SHA512

    fac2e68bbebe19352fabc76d1fbc318f6bf2bec5b3bdad25fe7ebb78cd8d4684d4364bcdbc245851817900d2e95a73d85069881bc1f18c1b273668bddaed428a

  • /data/data/com.fcldkxzxd.ujzezjrld/cache/classes.zip

    Filesize

    1.0MB

    MD5

    88718e6e42d2c367f20b4da97bd2ccc5

    SHA1

    5cd4166a512d76a73d948517339718bea85b44c9

    SHA256

    e4320f207d87e59b80581ab034361f8f71953ac216adb732743e0df1e278a005

    SHA512

    5e8ec1cdd1e7fe820e1cadb7b08e19697a0b787088bf5d50d8c9d3c5a2eb3dab81717aac97510824f56997b0bc75e0665fc0e7b970af861fab68d480d539e455

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    8fcc8aadbf181baacb2ffd6049fa612c

    SHA1

    a0a336aaee05e395fecef76b7f63165eda681886

    SHA256

    4cc4108cdebd0aec878bac0336d622192ae21135ee3a5eb3af73dcad3a977289

    SHA512

    b22ccfa5ceca8606e14d61963b9aa113c7e9a31d078c2031d2fd38939d13daa1f829f87a96579e72442238b9486d4c8c628d0b0099b1109923fab65c212f5b5a

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    515e4b4217851349d4765dba2b0aed75

    SHA1

    aa5130211f605c8b49679b27f4420febd07b124b

    SHA256

    5d02da451165ad8a73952f83c93217a5f2d4ca3610ce5dfa4c7a1762beefce62

    SHA512

    c064fb8ad5a2dd025278c2d708aa7af2aea407a3cebe0781faaa1107978f80657b37c4474ba5e5f191b8bb9e2dd52359dfa0be3034d2e083f881ee345948fcae

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    9f13ccc8d97c33cf238c8a77da9e801a

    SHA1

    9b418363c44a0568006577c20eccd3592fa114f9

    SHA256

    e78f5edd964736c0641675924d80973c8ed0218e3bb38e84c903cbf90a0c20e6

    SHA512

    37cdd3562c09674a8bec4b5e590de255edc2141722ecd5de6badd24953e5b3450ec4506c81808b4a9523ec65fb3639f216d3af1ae00343482765e27046e7dbe0

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    08b5dc4a9221c9954055c5a42bf3e033

    SHA1

    c8034856ec67c5d5379b30f993b4da26b7883b97

    SHA256

    ace357d06f2ac32c3bc45e1c62f73a94e8b0967342c3963abff41f2b30bcfa41

    SHA512

    cb12dcd7cd1695d34f0ac879540f465507a2b1a5ee62b9706701922d0c8ff74d80290ae825f96b25d0520219944fb540923ae9e8bed65acfd64c2c66b98d11b1