Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    android_x64
  • resource
    android-33-x64-arm64-20240624-en
  • resource tags

    androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
  • 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
  • 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 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 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.blackcorrecta
    1⤵
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4324

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

    443B

    MD5

    4eac6762a02b5697d09d69d1d2c5788b

    SHA1

    9cb39b40cb9e747b2175c95b6a5d2669734425d6

    SHA256

    c9525ec53c6f8a3c68d0abfd1817a992f7a5467637a4ecc6c5b02028256194a9

    SHA512

    7e8c60ea67be6b3e2839ae7162562def9b540907a36ac2f6b9e91988512465b95d296b6476eedaa565469ac789d700cf971b75788ff43e4782e8ebf8dbb3fb18