Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    07-01-2025 22:13

General

  • Target

    ee3a894ab258df241c08a6167981bc273a9a6efbe4f58425fd7362703a0bac32.apk

  • Size

    3.0MB

  • MD5

    a3c3df62b04862454fa2cbb982c970ef

  • SHA1

    71789c4596041d12429609ceae20c5e1cf255160

  • SHA256

    ee3a894ab258df241c08a6167981bc273a9a6efbe4f58425fd7362703a0bac32

  • SHA512

    64c3ecefbda27c1fa79d1fbd0e317b256ff86219381e64c175db4d09f1de9a5b7fb5dcbf801e30cd237b0883515f2a114210e38296aad131ef7467e068f34506

  • SSDEEP

    98304:5AiiQ3V2iLfDOegg4TdPuh/N+HtVFqqyB4CVZt0:Xiyhq+oNn

Malware Config

Extracted

Family

ermac

C2

http://194.33.191.252:3434

AES_key

Extracted

Family

hook

C2

http://194.33.191.252:3434

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 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.

  • 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.pudewalamopa.yesiba
    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
    • 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:5132

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.pudewalamopa.yesiba/app_DynamicOptDex/oat/xaydI.json.cur.prof

    Filesize

    2KB

    MD5

    5fd382b6486a51ddcfce555f75ff6c5f

    SHA1

    c8a84b690daa1a92e77205ece9b303c5b3f80ccf

    SHA256

    4f38417d797f95079adae1777ac1aac2d47889f6d034edf1932188943fa47f97

    SHA512

    66213aeffe201f93f6c61dc3cc01e07db8c47cb606c5d8af080ca5b2f6c1e80ea55be55dbf4ad5234f52c28cc43512f3171a329273703424e9779d70847af3a4

  • /data/data/com.pudewalamopa.yesiba/app_DynamicOptDex/xaydI.json

    Filesize

    675KB

    MD5

    011dec3bec803341a063ed03f5036137

    SHA1

    f1eab122789f4059f8b65db83c4602b3b3ca481a

    SHA256

    39d1ded8ecdbd92bac4be34382fea8fc723872817bfe6d9c24645d572c5fcaa0

    SHA512

    e39cc472581aa156ed57e59c47d9899f92ad9256e91c6e7f54bc18a14ba4a295fcf8b61de6d1896b2f53ccf07703a7ef400dcd86ec8651ec732ab2cd5f045b3d

  • /data/data/com.pudewalamopa.yesiba/app_DynamicOptDex/xaydI.json

    Filesize

    675KB

    MD5

    fb152de28f5b856d545a63ceb04d699b

    SHA1

    fffbf8e3b9595bf8b0b2867103530fe02c73c3cc

    SHA256

    6affe13cb81ac771ad2bf9b0cf6ebf229e3a1033a84a23fd3b78256c296025fc

    SHA512

    7bda40036e3054c1473299898f026a94740b50d4a422181eed1f545d313722391057111120db889d373a4d36af23283fa06fa840a06ff83b92c1df74819094c6

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    7acb609a8f505738f5d177b17dbdbd48

    SHA1

    c6b7ad1ceb8986386dee8266d777da437f98c60c

    SHA256

    11bd5ca77f880d3e67b47d33653714595f763a9898f04c7d1a8b0a9b07bfa4a5

    SHA512

    e051d24874eb5eedf9999f9fdf1d2827be2a1f3ea1d2221e63faffdc39c100f9a6de988e99c6ad053d0dd133ed4839baf2970a1238e89bd76393182098090d6c

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    148b8524889007409efc05dd1462aea8

    SHA1

    c7548ac9993a7715db0b67693aaf9f40171a26a1

    SHA256

    13bb9a2a14ef815f1d780ec9d21437bac1fcc10c43eb6891d6c0d081c7218beb

    SHA512

    6a944555d35d3069d0862c182848bd5ca29dcb82923b2c30ecb92f5153304701c6a30027f9fdd79a78b3fffcdfcceede9e9714d708ebc292e33b71d5fa834422

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    33a41055b268a93f3dd1667eca552907

    SHA1

    d609b995ed377dc1130199c7c674e65c9b66f29a

    SHA256

    0498eb091cd809c29ec8ec460abacf3c36d8ebe20e93ec70c2b73153da08e843

    SHA512

    e6aa09e4254a73e34e01e1e5f0d50919a907ee5a80948ef302860d8dbcf0295864edb2a84265f6a22ff90473b98937acccffed59b635e50527842570147e84d3

  • /data/data/com.pudewalamopa.yesiba/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    620aeeee8b38981c8af234e7eb1d37f1

    SHA1

    0f2ea95f3930984f2d203dae5c42ed605fdedbd1

    SHA256

    00a221f88f6cb706c3f0763fa62f3f417834584dc2b3c37d073a65d702006108

    SHA512

    6060862c5b0cb2d02dba8abc6baf93e210831c6fb6273006efc7300a994c2e214cd5e40336b92003f39b859cfd89edc17d8d3c93753cbb0ab98d340292621022

  • /data/user/0/com.pudewalamopa.yesiba/app_DynamicOptDex/xaydI.json

    Filesize

    1.5MB

    MD5

    bfcb0472637aa44e8dbe366cfee28beb

    SHA1

    ba403155e2aad7a91a0bda471b87fb23da2862f5

    SHA256

    fa126c6ac279aaa1f3144d0ad088dad3f5859bf6cd5c34eba4cb5a0b592cc1a5

    SHA512

    3a815b3dfa1f5ce35d347673f902ef1e557c4ea4e2d2cae8940757539c868d3cf82475fa1c09782861b1f62c6021e3971a12c240845e86dfee836c9ca3dafac2