Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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 19:39

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 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.

  • 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:4259
    • /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:4286

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

    c4684642b1c6e97c292e69255cb51ac4

    SHA1

    918abc4c55b41bf8d3d33addfde708d81a563169

    SHA256

    8ea7b90bddbe9b86db6ad5b89eb8c4cbf24b93e74b0785edc33950bb3eee43e5

    SHA512

    a1b40d6a8640a333e8fe237fd2f6b590fcd3ac9c8ff1d8998dc915ac881f21ac873316e4e1b1f5c39181aa556f70a35047b0a00c52ef48600fb2b02f7f98bf57

  • /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

    451ed8d896d2a850aa9c2770189968bc

    SHA1

    64c9d9b5b0fadea95475588af95d42262eecc219

    SHA256

    01a1d42030e6c3b501c45f6645aee7f93ea7ced5972ed605b75d587e7019d3d6

    SHA512

    a0e762d1a5a1b6695a0cb1d52b8dfb7e4f26cba27beeb284574be4fe0dfcc270f0a1667780f94494a182b204d9a75404127401e3995ac9e66e4a5848e9fe8693

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

    Filesize

    16KB

    MD5

    3fd39011dc96e9547e0aab1732955d23

    SHA1

    bd263563a2f1ffcdd923890d664b2a94197797b8

    SHA256

    89ef0ec09b6fcb5606c348b6c76570295097d73aa08d2a9b1e74ec6e2dcec127

    SHA512

    aa0a43bc50435f842b0a0a458b88904774707898a9e237d8ff9311a0023b9364c0b7c7e373e355cb47a315a308e0fa156c0378e41e745f255e201f8ad448004d

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

    Filesize

    108KB

    MD5

    7d5da02e8dd94bedc57789c89d01a903

    SHA1

    f3db04b8fae5f167b745c84b14bc31b9b5ecdfd6

    SHA256

    c7bd2f7040e80fe63df8834deb5f97be4c441b56eff9a5f2ce5b727e0973a587

    SHA512

    a0af15409df37e4e213b27e27081df6aee0ee15bbc702e68cb2afda0e619355b447ece1a9f89875a3480b4e811e45844955cbc69648b7577d13c756384812a19

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

    Filesize

    2.2MB

    MD5

    de526b9ddb93005bbec8917bcb893297

    SHA1

    8d64d28b1e3b3d4c0fd311a3b78ddac3b70737f1

    SHA256

    b13cf9c509021cb7c3f0f9f0320f9ff1d8d24a9a92d75c8e211bb0e95a5cb4be

    SHA512

    66d4cd979719e580c93c2dd53aac3b1f10c6fb8da40d437128448337fd40b3a165be4c6046f8bb24ce133e45311e719a363496f9feb23fb2f460a7a8f320454d