Analysis

  • max time kernel
    149s
  • 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
    12-12-2024 22:02

General

  • Target

    87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4.apk

  • Size

    3.0MB

  • MD5

    b902e6eb2050769aa1de411f4395e008

  • SHA1

    03f43237468e7324b18e0f3cd78e3f7d6117d6f1

  • SHA256

    87537c080fc83533dd1251018f3c9398e23d553d12ad173360d5c90e23ca52a4

  • SHA512

    5bd9fc658428cf697d1f95976c8ac314e4c9f5c3b5a1394a57ebb40f0b071012b2ab946473614f34b35688ad1cdf1dda5239f7bb1b9d7afea32a2e1f4da6a698

  • SSDEEP

    49152:cuc17q9AXlFCorNoi7rgIIl1E38hchqWrqcvWb+BTgHNRg8jIB7aihmm1HhMt:GxXqoB9608yhjecuO0HNlhcr1BMt

Malware Config

Extracted

Family

ermac

C2

http://154.216.19.93

AES_key

Extracted

Family

hook

C2

http://154.216.19.93

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac family
  • Ermac2 payload 1 IoCs
  • Hook

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

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 1 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 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 18 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 accessing notifications (often used to intercept notifications before users become aware). 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.xskjlrfapapkaraglzakasd.staretxjk
    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
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4778

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json

    Filesize

    736KB

    MD5

    795397719d1e1bd545fda82b5b9fbfec

    SHA1

    b5252d2899c8e93f33b0ff4b9e510a4a940ad784

    SHA256

    fed69a958cf0bf3b5896c6f92c7cfa4596f0a54085e18b6faf5f40b4a6237395

    SHA512

    e814be54d1b79aaec6c8d083a94c2e22b5baf8ee3bded1cc58c7c4e67232dd43f21cd13a98f89d19cd3f9e7615acb1a2d9327a466025788555a393869e8a1f97

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json

    Filesize

    736KB

    MD5

    dfd48f4a84a0dad508ea5ccfd704ca7f

    SHA1

    90b6a027bbe702ce0e26adbe507889165bb96041

    SHA256

    afd9a023668cd29adea5c60646f5fea0d3b31afca301f5ded8cc9aea1d1d1c1e

    SHA512

    9250bdd92c8917620ae0601ca3a1d12b0a9893dfb00f096e4e1775af76593f9327da35e30976715482cdb897d7d543d6dfd275c3001f61a648108db0bb356d48

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/oat/WsYunp.json.cur.prof

    Filesize

    3KB

    MD5

    16ea639f11c182ce73542f50ef0aa455

    SHA1

    9a0ed10c0882eda77961054e5b82d34442c0b1d2

    SHA256

    ce7cb04be4bc394c3a18c40518c89e51800268c286540b0f1f24d5561c895a9c

    SHA512

    eb64455c3a997b1334433c63ec9e0bbf3494e3778f00bfd5373c1988b355b56ea71df68d6dddf0cd0e8f12c49a8aaa56852ba33c2afe7141db6350b497e98f56

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    4ea7458e362542263404c0a58cc950b8

    SHA1

    fd62a69d29f5c6de2149d35fa827761c333d9672

    SHA256

    250c3c2189bfe7d42f2fe149bc6f6ea53159301d779ee2196d508a840ced94c9

    SHA512

    f71afd63a92aa54c6e8df44a98d2e713573a35f4d52718372f1c4320663c27127d2602705befb6febeef7242be199064dc2ef58e643156186d4a2a477f6c64b5

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    828efef1b47589e838b040cc46209d3e

    SHA1

    5f976ea898b27342cb5faaccaf152e0516f50b76

    SHA256

    9282893624a46122f525a115d81ab66e92e4a3af4d9cdbb44cf6e04fb3749b72

    SHA512

    01032bd8b68d95e394da9472c7a0fd2e6e959a9d56aa7a79edcb92cd866dfcc968c2984f0c663b71c5f8f80e5937d261db5f7556c2b194aa69a19842739fba94

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    6402e2c0b6944d67ace746c220f5b53f

    SHA1

    ea63c63030b21d0a7098f937d724ac0dd087dbe8

    SHA256

    50beb3a2dc48908fc8d9cab918b57c3ee7c5f18e5c2bc52fa30c92da941e22e0

    SHA512

    acc0b1e3f45ebe0e6c40ee03ffdbae8b29eece97e9a771f0eff051783fa6c7891e9d8e8c75672f35de44b6ae454ed24619f6bfb915abb56a0d6dbd9cb8274f56

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    0d8fa2991ae7f62ce8e6b97ca4de03ec

    SHA1

    94ca9bb393d1eed4c7cb61f825ac85b188ad5c63

    SHA256

    de82b85a3070e2109ca2f8330c4e90291ed56047b0cc50211a7f8b6af5cb15dc

    SHA512

    c23e6f9fe29a3a74e48eb8073af48402c894f49f97dd4051cf9bceb53035f88cd2277dcbf2d493dbb801a07a5422571575f08e48f0eae8bcb4d73d56111d9fb5

  • /data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_claim/WsYunp.json

    Filesize

    1.7MB

    MD5

    ffcaa9e688b50ccf1b005883919c9c74

    SHA1

    185fad91d59541ab6f803f597a6211e175bdf954

    SHA256

    d60b15bd863a547743f5862075f3bfc4faab3588775ccf345b40ac8f0f6ce767

    SHA512

    9666de529f3fe843c252c489662bac2f54270dcbc10705abcfd68f808e124f7fa58fcd7509f574df56420f5227c2d132dacf41ba1b4e8efe05373c4f21ff2299