Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    05-12-2024 22:02

General

  • Target

    fd715916260b75edbfc640c0fdbd5d641953b93017168bef4f0ec77d9cf34bdd.apk

  • Size

    4.5MB

  • MD5

    3b4a9db4f4ad949b7974f83eb9d8ce66

  • SHA1

    39a50e6b9f4c3d45a73cd3fcdce589485f013580

  • SHA256

    fd715916260b75edbfc640c0fdbd5d641953b93017168bef4f0ec77d9cf34bdd

  • SHA512

    f1a1a88e9387bda63f65de3381912ec078dd30e95d9543558fe5798a13e4309a6e4e09e1aa5a15351349dc3679c736968a95685c358e242764363e27f0e1a5bf

  • SSDEEP

    98304:kPaNJoNG7AGdM86aSINknxdzl74QJxe3ZPHO7AFZYgBbMXQF:nbMeM8fjknxMQ23Ja2ZYEbSQF

Malware Config

Extracted

Family

hook

C2

http://94.141.120.34

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.udyfmmpcu.romkvoabc
    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:4636

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.udyfmmpcu.romkvoabc/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    1fa075d6a84789ede11026224fea05b4

    SHA1

    0483c0f774e120dd6b09a362520685ac968dc6d7

    SHA256

    d64f3070235d0cc4cc39ba239fcbc542cc9a991e87a6d1261e47d1012fe706aa

    SHA512

    02f9afb16ce2e4d1f2cf89dc67e076cb8d598f208dc26edaa14ad8b241ba40b1ad79bd5cd39c966df760aa1e8fe73d3ea0fcbae11906e82029775741867f5c70

  • /data/data/com.udyfmmpcu.romkvoabc/cache/classes.dex

    Filesize

    1.0MB

    MD5

    a7ad2af4d63eaf2dcbb21682800ae15c

    SHA1

    26b6d7a28dde8bc99cca8e9502f5faf24be412e7

    SHA256

    b4978641c5bcd33120c606b8f44c605f500fe7ca3def7ec79ba3c6ab5d1e4d59

    SHA512

    4ca05693ba899c287af2befface20de274423ca406f619c15ebab4cf3eca1a986653e158c2af37f1edfd705d5968952676fe227ec6fa712b5fc41a8fe0c5e2ea

  • /data/data/com.udyfmmpcu.romkvoabc/cache/classes.zip

    Filesize

    1.0MB

    MD5

    30c08a571535168837ca595efabbfa1a

    SHA1

    6bf1bd00f8801ba9aed642e535f2d78365230bf2

    SHA256

    e23054f13a593bb42d7cdb90b773da5befb23e0509f0f04fbfb80dd3def6debc

    SHA512

    2fa3401efdd677723ae8cdd8a40719ca20ec140097a4d44a505c1f19587951380b1601869ddb04030d48d38f087f00b87f7bb6d490817754bf868931aeaaf055

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    5371805c4d30bd3ac11478c7ce76ed01

    SHA1

    72b6405b0ecba945b67619415628f9392a5c606a

    SHA256

    f1744f8dada260b7a2b7c139b5c7f7262306fa5f43e79b88b54162e451fbf182

    SHA512

    ec0518f7a4a51d8650c352f6ccc8e0a62cb03388779eee7b13ea10765b2f17a9e429da09a1f55fb6866942c92ff856fac4e9798c87fdae4944830ec5e8060c4f

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    f509faab830ef4eab42a48f743c567b3

    SHA1

    526029b8de61004e8e0276ed203e031e3a79cefd

    SHA256

    4bcf7bdd49f7563f7cb83d58231a355f3ffb1bf18a1020a78cccb341778d1332

    SHA512

    bd90b1dd20c4999c68e8c1745c91b62e226bd58a7ef635fedad8eea34f24204dbcc9ced46af3324bd19859ca4bb32a079f0bf4411fc1c762f00aaee2605122da

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    bc1269e831457e7af85c5f3749d207de

    SHA1

    724dcb011d48002b2cefa6051979ad9e1fe25bc4

    SHA256

    596373883e9ead0e615014403b63c27f1261ed71e5462f49218c14ff6440a759

    SHA512

    73d71e93fff9ac591abdb48ff1da6185b75c3f0427b5c57c942836bfa1d65b50ff591541c48a3c5760f5ac80844e2284217be0497b1400bb60ab064dc4380fdf

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    955235c02d8d30af40a6c68127c11c4c

    SHA1

    2b05493e414d7e97bee13133321219e93b945481

    SHA256

    3b29e12e35e3a9ce17f8171216b1af338348a41743ce85ce3da9e0041997e988

    SHA512

    734f4557a05d21a98a7156058c7a4807e915a191cefa07a991d287fc98dd37bbb0f2e9e31ac2045b367743c2f44ef592d2980d8fd6cf17884763a53a32ea76c8