Analysis

  • max time kernel
    178s
  • max time network
    186s
  • 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
    24-06-2024 18:03

General

  • Target

    0c3923665751c10c5b467106d197bbc7656344206c6d2e94782eee736641718b.apk

  • Size

    509KB

  • MD5

    db143c996141f459b847ae4581590344

  • SHA1

    9d238ec64f53457d7db27a2032019139f3579c07

  • SHA256

    0c3923665751c10c5b467106d197bbc7656344206c6d2e94782eee736641718b

  • SHA512

    700dfc22fa7ff36b5b48dd8ba7473c1bc339a0ab50721183facdac1a8afd3645e13226734799d3be155d914dced6a3e6accd0370bc373751661676803d34ae67

  • SSDEEP

    12288:28SpnJoRT4A+lFyqSYBFHMTaYIybRPmGr4B9LJDRcUCR4V6i:23n+RT4A+lFw4smYN+GGVnlYi

Malware Config

Extracted

Family

octo

C2

https://mamudoilekeyfyap.com/YzBlNzk4NmVlZDA0/

https://mamudoiledostadogru.com/YzBlNzk4NmVlZDA0/

https://sigaracokhojdur1.com/YzBlNzk4NmVlZDA0/

https://günde5paketsigaraiciyom1.com/YzBlNzk4NmVlZDA0/

https://dertlikaygisiz04.com/YzBlNzk4NmVlZDA0/

https://kaygisizamamutlu04.com/YzBlNzk4NmVlZDA0/

AES_key

Signatures

  • Octo

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

  • 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 4 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.wouldwater02
    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:4340

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.wouldwater02/cache/oat/tscasmulmnnj.cur.prof
    Filesize

    363B

    MD5

    457f7b798bcd55769c99c0a31e01d525

    SHA1

    20657ee559577122837506dd4e19885a77300fb5

    SHA256

    e67adf628373f426e6419aaa920ff806991f2092ebbc753744b133fc9a842504

    SHA512

    7293c61bd1253770b340ea1a96211081aad12f80b9a5826b35e13a0d374c9f15520fb20c1fc6e865582fdeab065b7f7ecdf75e5eec467d83e3fce2491bc3b44b

  • /data/data/com.wouldwater02/cache/tscasmulmnnj
    Filesize

    448KB

    MD5

    37d415ea4aea694bf996a800ae10b539

    SHA1

    45f1be0b499cedc87d70da6a7a05f02c8b19bf8c

    SHA256

    7042d082982e97b07405135c400376a739d073339976e568c4611e3e5594aaa4

    SHA512

    cb73a17af38de1599ab53f97ae8b44464d8fec08d0cdf8cec0cf019016b14f0b268e4445ede21aec8aa3cfd1abaad62e2d5c7e178d026d9811ea5f4529f794ec