Analysis

  • max time kernel
    143s
  • max time network
    136s
  • 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
    09-11-2024 22:02

General

  • Target

    bea10c7b79fdd266592c0f0ef356c6fce504329cbb42fb52ff46d5638e5c36d5.apk

  • Size

    2.4MB

  • MD5

    6163690b9916f7ef5d1ef8f1c37b0bd0

  • SHA1

    726fc8b4fbc5d78998716a17ccfa6e41a0d26b92

  • SHA256

    bea10c7b79fdd266592c0f0ef356c6fce504329cbb42fb52ff46d5638e5c36d5

  • SHA512

    847053eabb8b02ff39a267e0fef684d5c0b4c329a79d6e9e4486c458024a9f15bb2d45689454fb0dd705d4112b6568fac4137af8203ce23c786714c3ecec2b8c

  • SSDEEP

    49152:piqob4QoBWeLKIVoaJ3zYeLJ66w8W1hTrC2iT1Rbl0JVvG1r8NTF7UcSEBbSJiHX:zJBlKio8zrLJryhTrCVrb4JNz7UNSJp

Malware Config

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • 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 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.blackcorrecta
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4254

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.blackcorrecta/cache/kqywnopvukvshf

    Filesize

    2.3MB

    MD5

    1c5ba91d4197d5308f40041bc3131232

    SHA1

    c7b1148ffea103fe39a6fa8eb3a319ceb280e4cc

    SHA256

    89eae08c3f20664fa526495b05882481ba509bd72fb6ecf81cc2c6d29c3b816e

    SHA512

    5277f1591fb83e9095c78c42d7d4ece2672fc44f620c314bb8d5527451d544fe4c2e1745f4bbdba1d6b8c2766b7c78cbb2f7b92cb1b713e602a4c0c31e8b87d0

  • /data/data/com.blackcorrecta/cache/oat/kqywnopvukvshf.cur.prof

    Filesize

    562B

    MD5

    a32a7db9348c670bccdb0c97121fbf89

    SHA1

    24aa088ac75617749c76778d1fab030ba92be6ab

    SHA256

    2f4fce13fe4269b88758a73e0427255124cbf8e6ce7e14690792cac326fabf98

    SHA512

    2b0c74b14ca027a7b09132c96821b821981edc60927bae374f57bcdf9bd53cb0ffb2938898308c1f1dde6a40cc85dbff1b040b26cc51fac281880dc9e6005fa9