Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    11-12-2024 22:08

General

  • Target

    bd38add6771861c00bb20466545445b1c16ae7a8ad6de8a2e7e275b5f2460262.apk

  • Size

    3.0MB

  • MD5

    83b746dd4e5e458f8a3af71f738b6739

  • SHA1

    c71e8f4a27d434164d280aa5792937bb2013d7e6

  • SHA256

    bd38add6771861c00bb20466545445b1c16ae7a8ad6de8a2e7e275b5f2460262

  • SHA512

    f20c026be1b63c33851fbfdd4f94f1f77a41dd519d7241281011e28d89d0028c26cfabc834c3fba61d1e7dca5d24b52f35bbc844e26f61387eeba61a7b1d0051

  • SSDEEP

    49152:dJE3wCeZRzTmXFpZdM4W12mg9jLUs1TUHD0VCvYPrgQrzoHUbbnstFbsxJNfSHHp:dJSwC2qpw12TjYs1TSwf60Y87VVFU

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 8 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
  • 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.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)
    • 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:5069

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_hospital/CDoJ.json

    Filesize

    736KB

    MD5

    fe8ef5bf9b779b1678c7f99ee9ef1b0b

    SHA1

    fbce257123125c384e4796130f5a5c6fbee0cabf

    SHA256

    b6ebcc97b5a365d7408dc82969bbc6c53a5deb0a24629145fce9110ff2149bc5

    SHA512

    8d9f1b616e00b87edae8114c4c33c9ff82f1e99edef65ddf1d946174955fc6f50941d3a21be55ee4c33552241ab63c927a98c6ba77b6a6982cfd23fa4c1ee4f5

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_hospital/CDoJ.json

    Filesize

    736KB

    MD5

    79018d62665664ff1f37bc80edb74672

    SHA1

    8bb539c928cc56eb5baa0812048914588fac0576

    SHA256

    5edd4f6ba92e780072480b4062ccb546f4185b5d68c3b79214296e5a9eb1370e

    SHA512

    6c74cbc5c9a551ad23121fd81ff2bc0236bc64c9ab0f41a0302ac33c28468860272d4eeb28747765be9cb6dca9a26df1daabc52172f3c5166738c14364fa1a6f

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_hospital/oat/CDoJ.json.cur.prof

    Filesize

    3KB

    MD5

    20ccf3052ce3daba80cd039ba303068b

    SHA1

    d6436da49fbe1ba66aabb7da6e72b2c1799cc6b5

    SHA256

    7e00fbc8b3c58ce3aa5d8013197e0e4994226d9062638ba8a65c0232179063a8

    SHA512

    2a32fe8eefd35a2a08454ebbae8f67f9b8603aeaad25a87111bdf9e432608343eb5e66fa80f05e22772999cf5a7a49a54a16d1bb79714ba8980738c38c49b40d

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

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

    Filesize

    512B

    MD5

    c39b88b29547d718e92900406aa9f6b5

    SHA1

    6ff603c5ae6cce3694b19324148f86a6f601f72d

    SHA256

    4c3a6544a5e34a21a90c8e30a3027e3b39c22b324a45f49703fb4db73d97ee55

    SHA512

    0cf297ea944aba4c9d7e1d1537cf3945251d238ce20131ca89fd9beba9fbcd18d80bc096a94940d8f8405ec743649ee2596b84e34929faa31f7f63b3d95be53a

  • /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

    64600bbf39bddcaaeb3e3f20c4daf638

    SHA1

    82a913e16fe8fae2b63aa1f865bddf903bca1c53

    SHA256

    ce69881306971e1b569bae54e44969d7057b5a6e7ccd343f9673c919b44ccb8d

    SHA512

    24f883442087d73463495cde0472b006b89496605e8e622a1667518d86305f36ab8d9399cab772e45f92a7903aae2f0800fbadce4281871e52051f087d918b19

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

    Filesize

    108KB

    MD5

    4e9168d9c73dd3b9ef2326755497ad65

    SHA1

    c01e14aff35af37a2c56ad2debdbe4ca271687c4

    SHA256

    1988ec560f749763abb7bcc76c246bec400e12498ee3f73174dfd29eaa567353

    SHA512

    3ab68f0ed87c1b7804570ef103e80525afbfaf076a32286d562cf864c70e615f8b59433197d3e5e6814a12af5dbddad30de91a06291a2c64e97d0f7610ded897

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

    Filesize

    173KB

    MD5

    5d67e1057bff66f3bab364dbb49325d2

    SHA1

    e817164cf8af6ec9b6871d38fa63dffb07fb920f

    SHA256

    8184979aa20ed38299c8f4ccfb16750cdb015ac1a12ae2e9b63a9444b2d2ef07

    SHA512

    3e9cae196492357d8c375c41d458276e69b11f940c699a50d0e44b82f5ca734b0df88aefed4d906f06b7d29914852c25312ec180158ef0aee46e411786564045

  • /data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_hospital/CDoJ.json

    Filesize

    1.7MB

    MD5

    ffcaa9e688b50ccf1b005883919c9c74

    SHA1

    185fad91d59541ab6f803f597a6211e175bdf954

    SHA256

    d60b15bd863a547743f5862075f3bfc4faab3588775ccf345b40ac8f0f6ce767

    SHA512

    9666de529f3fe843c252c489662bac2f54270dcbc10705abcfd68f808e124f7fa58fcd7509f574df56420f5227c2d132dacf41ba1b4e8efe05373c4f21ff2299