Analysis

  • max time kernel
    184s
  • max time network
    189s
  • 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
    05-10-2024 19:46

General

  • Target

    Actulizacion APN CLARO 5 G.apk

  • Size

    3.9MB

  • MD5

    99fef1918682bfce2bac6719de40c707

  • SHA1

    8aa0040ce187cfb8c7ba68e598a869c99f481580

  • SHA256

    b08f7d6dd6997c97b08318c80f382c50965c29b2cea3eb1df4f7520af7bf366a

  • SHA512

    5b69d1d214641fa118a1327552a43ef01e824564d4e40973f4abb018422c16dbc5c5ae79ff445b711ec83b587506f8495f95a982738700093913c74f10ea4fb1

  • SSDEEP

    98304:esYz/3Vzg+IAjRF0Sy8Qj2PzrFyIg9t4VLNv:esG3VzNIERFrc2dhAurv

Malware Config

Extracted

Family

hook

C2

http://176.111.174.221:3434

AES_key

Signatures

  • Hook

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

  • Loads dropped Dex/Jar 1 TTPs 3 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.

  • 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 7 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.jcoagcdag.kbzvxbdyv
    1⤵
    • Loads dropped Dex/Jar
    • 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
    • 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:4264
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.jcoagcdag.kbzvxbdyv/app_app_dex/oat/x86/sjmtxty.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4291

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum

    Filesize

    2.2MB

    MD5

    9e28e71b559fca9d2e9caa5d1e4f2f76

    SHA1

    f8cb37de35609c3c51887fe52c4464de5ef4ebd6

    SHA256

    c09e42194a904717dfe37c9a87af68db93eb17ef516c5d3c18db0d896cc948e2

    SHA512

    e9c37fb1db93abebedd5732e809aa32ea367750da252dd3a142c9b128bc852c7542fec1d188daf55f9b928cddfe3f63645ff29b98e6f0d2908e7ae13b771b0d3

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    56982f1aa8d6277ca783cb721e2fcdfd

    SHA1

    450162447e51fcd3e09dffcc66e6c5545406c9d6

    SHA256

    71af32216d7973335649833bea9aad0c83dfd2d31caf75f6c53c20b71ba29e8c

    SHA512

    747c3796fd14c70930630d3080b7094a474c55b8ce4c1235c07725887cb3bb82d356382d15b0a48c3939bc45659436e9a79667bbba8652c8e053bd03d4ba47e3

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    ed04d21564fe6b752b6c26b03ce6449e

    SHA1

    a75fef0d42e273dd7e96130cc0f8547b208da4c0

    SHA256

    f2293bc012f21defa651c3d91a821f45227807c0a1c3f4b2448ccb1d3ac56559

    SHA512

    19df9aa8734084c25c31cc21c25354813835f3761e6a98b8886358d1fc6d9bdf151b3cac91cbec3ac7424e739bd79eef6ae8f31715d28bce58f6e0a007d2fe75

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    6056dc00a18a9fe1fa8d05370773f82b

    SHA1

    cfebb1a2c1dc899c3bcbb2437946ee73330cd1c1

    SHA256

    7e15d7976389bd41b41687694aa49cd0e119202653fb1f5d8cd6487f3879f237

    SHA512

    d12b1775205304641601a8ee0a8058a8651eac03bb9e2e74d22c28fea24bd0ac948813a51dfa6486ebdac4f48005238f65a8ef9f3cdc9ffb770f9df94399610f

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    45aba8a4592b0962438e9202699ea6e7

    SHA1

    f82a7be840ac338f5a329dc73e3619233db8f810

    SHA256

    f458ea86d1db40e58b41eea554507324a20fad43c8842fcf7c583fd112d3836a

    SHA512

    428dcdd084551cedfaf10d7f4aad24b7622d2bab07bdef2dfd2e5e373ad626b76483c77a04b5efe4ca11e0dcce68a1d0e7bc0405bf956b8b9d1943236822c0b5

  • /data/user/0/com.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum

    Filesize

    2.2MB

    MD5

    de526b9ddb93005bbec8917bcb893297

    SHA1

    8d64d28b1e3b3d4c0fd311a3b78ddac3b70737f1

    SHA256

    b13cf9c509021cb7c3f0f9f0320f9ff1d8d24a9a92d75c8e211bb0e95a5cb4be

    SHA512

    66d4cd979719e580c93c2dd53aac3b1f10c6fb8da40d437128448337fd40b3a165be4c6046f8bb24ce133e45311e719a363496f9feb23fb2f460a7a8f320454d