Analysis

  • max time kernel
    41s
  • max time network
    155s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    14-01-2025 22:07

General

  • Target

    e58f1c087f1cb3379c862886dcd61428daba19350b7bed5aba4bf495983e073f.apk

  • Size

    3.4MB

  • MD5

    d21026b259a4da55a857bcdd8f0ad9a8

  • SHA1

    9eadfba2c94f87656115a7ecc79d7b953aeb6676

  • SHA256

    e58f1c087f1cb3379c862886dcd61428daba19350b7bed5aba4bf495983e073f

  • SHA512

    b6297e9e1ac87f5f593bcd3c32ffedad4d8aec11022a44dea5d876e7e1f5995700147b68d556078b26e1dd604bb9b5450ec82adf468093dc98c418aba66c7e48

  • SSDEEP

    98304:B0MsnL1CI4c+gi1HQgnpVTfpqoiPAhYxSvO6k9NHs3AY+S:qvi1wgjB2AC6k97S

Malware Config

Extracted

Family

ermac

C2

http://154.216.17.69

AES_key

Extracted

Family

hook

C2

http://154.216.17.69

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 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.corgiasl.kuri
    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:4926

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.corgiasl.kuri/app_arena/ACjXkWg.json

    Filesize

    735KB

    MD5

    7401265df16a0b12a4f00ce6ff635bdc

    SHA1

    7e593585d33eb07e9f0114cd43807e84c71e79ab

    SHA256

    f9e63ce5024bba144d6cf860423cdb04b303b33d877419d5ba0e1f627b98c786

    SHA512

    faece06d0b91f0b3c1d7968121bdbde22d95fb534693264fde90ae88ea000c7822a47ec8538793047504745a9eb20f0bb26faece5f0f7a667f3d3bc9d2c639eb

  • /data/data/com.corgiasl.kuri/app_arena/ACjXkWg.json

    Filesize

    735KB

    MD5

    00b78624da3d260e0c12d827fd4c2ad8

    SHA1

    616e9c5114be4e7991e89bfd48b3273d4c0eeeaf

    SHA256

    58da5d0c01e85f81390cd9c81befe2c46c23196fdfe3a93c27d959acbd6e5c27

    SHA512

    a32b869018a132cfb5110756ad3c45daf8b822242c8d7781f5e6a70448a7f714cde55d6e8adb7e9020f67550258ff60dc1eddb02e4fe2d0a57d254b077454a2f

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    1ce1e720e81af1f29ebb220dbdf00d5a

    SHA1

    25355358cd55a930474b4ee74461eb2af0ad50ce

    SHA256

    8b16eb112f7ee4565a2347293987343e0b667ef66b0a4e1d1132b2c40b8853e6

    SHA512

    9ecc7c4cb2a9edf602f9eadcc38ff63a5b77a80f2b765e3c94392ad58be8e385cf9252e68a3590f43506a0c331a95919d3144fe008fe4f9e9544ed59adefcb91

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    8a940f1d05cae0f7b3f31d78832ea5b4

    SHA1

    0b84a3e46a56828435c415b863235cb6b637a3cd

    SHA256

    f20682a90d9a90529fb1e38eabfe07468491bb380beca214739e38a7917cc6c3

    SHA512

    cb2fd980359520fdaf69bea8a95526b7372b9caae585a6f9683370c480897e048c1988cd337d1b6f3c7ba5d19eb4527942f9e4f8c4ed10548bb2e16558997476

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    6b4d14c64362162e5b0a0b19bd4f1629

    SHA1

    4c542b0d757d36236f13e5dfdbec92494b9d73a9

    SHA256

    c79dd4650714fe76d1d16dccb204bc298f7adf5ae02bd69e4c56adbbbfdaa54e

    SHA512

    d897692d3cf0870f0dc15f669c40ad9f3fb3ef806ecabea670b9b2ce17e70df00ad2e358e79bc79dd662751ad719bb1af909438475f4fd88f8a743231aab42e5

  • /data/data/com.corgiasl.kuri/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    57f73cfd6e4339bb6c93f1a0aea4746e

    SHA1

    d491ec7a146a87c3f4f77c6a06021f253c1e1f51

    SHA256

    ffa2310ae80e6c0f19febebe87fc59ff7ab4202e89847ca511eec5409f403f81

    SHA512

    275ae92b17d2499140df16ce5f5f875af095d16000cd4546a6d99c0f997b8663632722ddeb90e490d466e682b10f51bb296e5c1838ae227982687c89276a51da

  • /data/user/0/com.corgiasl.kuri/app_arena/ACjXkWg.json

    Filesize

    1.7MB

    MD5

    7f4530adbbe5b099955c9544f2d81d30

    SHA1

    6abdde833c65da53568826db552ee0f32297acf0

    SHA256

    97f5be3b035814a3fc4e15fe9b64ac255df0a144770f3dfca96862279a70a878

    SHA512

    6e9c64f391e3748c0cb3640bd5a4ddd08e6858d721e8e47b2958f64c12157346ca372b93e890da01717a033c9c58bd29b4eab3808953b73df11caad49609f650