Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    06-09-2024 22:04

General

  • Target

    c58897c934ca17ecaaf87813feea17de44d42d4e9e4ec21f4d90eb184c7d9224.apk

  • Size

    4.3MB

  • MD5

    aadc03c102ad328d916341412d2d7417

  • SHA1

    f8a625bf3c8400b4976f61c11c08abe3d13fa46d

  • SHA256

    c58897c934ca17ecaaf87813feea17de44d42d4e9e4ec21f4d90eb184c7d9224

  • SHA512

    c759102dbfa54e74633b97d20262fa9fd7e40655d1cd24ab5c92df135da90c52c932aa6f35e08e2fc0102da94df688b454c3b4304ed18f695cc15e9d437d40cd

  • SSDEEP

    98304:GhbOUntjZxPy53+QfyEHDkcnEtVfA+f21/u/J3:GXRvPy53+UDkAoVLf28B3

Malware Config

Extracted

Family

hook

C2

http://193.3.19.233

DES_key
AES_key

Signatures

  • Hook

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

  • 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.

  • 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.rjwtfobji.qrcordwci
    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:4294

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.rjwtfobji.qrcordwci/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    1f2c05d48b298777d84f88e2de7e9dc6

    SHA1

    acef604b653c71ac4f58672f66129939e3e04aa1

    SHA256

    2c940012ef578253c88237ebcc9dc9e1065800132589a853df4d44ebc79139c3

    SHA512

    4ec40b17c8060433b8c794bb2f3e78e0d19dda91d2865fab41ac13aa5cc0cb4f93c7f79502c711e893b2e0a7420690b1f355a5420e8bbecba860fa1832e92ce5

  • /data/data/com.rjwtfobji.qrcordwci/cache/classes.dex

    Filesize

    1.0MB

    MD5

    6149b0a9724fe3a6008709108cc4c73b

    SHA1

    3ac4c5ae607851c0ae6b6a63bd8b8490e894b628

    SHA256

    2c7020bdcd98e13f3de2a2a4b44ec2e2917b575ddcbf2871bf3fb3bae8fa5acc

    SHA512

    5a7102b10bf27375877126464b3e9778281432b436c44557dde0bec726330d9bd2196010f0bc6b759a0e31160e4e4ccc5b136815db37b048c171067bef8e4e92

  • /data/data/com.rjwtfobji.qrcordwci/cache/classes.zip

    Filesize

    1.0MB

    MD5

    7325cf26abfe38a2315bf5a99811fe89

    SHA1

    ba66521490d8f5b80c6c88c3c071cdd643cae244

    SHA256

    ee3215b1df3e797e5b30cd86e30a463bb129d1f3224478d188865b4ea3d061c5

    SHA512

    fad3d7b0eda38fa032421eb2f66377a5879608cfcefc9ae71de42f7b5f62099275dfe03750b12d1cd9f402d0d5988ba993753a2fa11f3dae48e0e7a67cd8cfb5

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    50c3cb50bc2257119f4376b2500d66fe

    SHA1

    66e3a1f187eb14268ca9d07fc978c89bd1d28e93

    SHA256

    01fb052bf6df1746bdc1161f0147dc38776e644b62b87ca7a09998e713b9bc16

    SHA512

    d94c2d19e8787b468e5ba5141a80ec672192062ab354574495a712e1132faeaf7019504dc0503e117964b77474799f9483e1929b361b933bbeca7029fb1bb245

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    6f9496e5fc1d90c39c37fd598741c9a1

    SHA1

    8b31ff5431679c16a50fe57c41bfb7afbe21de92

    SHA256

    77221dcb55625aabf830788ea848388d20fc5e9296d89eb2ba0ec56ece6b7e95

    SHA512

    9614fb15d37d1480e9c6688c112cf5c9b95952c720671dd7aabd839625e6dab9702d00adb0c02bc747b9b297a28ee569617336fd207502af67090aabbdb25e19

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    12556e90a34192dcd04cb4abba54941f

    SHA1

    2355d23e7fecf2bc250683df6bb2dcc5f1f0b9d5

    SHA256

    18f7b8339cf7b075bf8438d2e52487d2623937e96f862075a4b7294fe99755c3

    SHA512

    697e0d0440d7ab18133930537bb8493cb4212f5f6ffcc63631b6d0e34ef8642f74bceb0c7d36036e0ebf49daf497a4b6c934f4592cc14057e681b882f0d4250f

  • /data/data/com.rjwtfobji.qrcordwci/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    1164f61a11fe22c627989c254c47dd6e

    SHA1

    d356233864776d2370b6dc523b8ae855f0cc86a0

    SHA256

    6b88a0fecca7014137a1ee6413b3bc63f34ec37a69c45557d49840b680685321

    SHA512

    010bc999f045e1b0e274db940b52d8c1a980ed05634d6e2085d4d25183b35886a7b94ce3267f219ce9a104ecf8736e8cf54280e88e7314b5ddbeeacb53eaa9b8