Analysis

  • max time kernel
    151s
  • max time network
    161s
  • 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
    18-08-2024 22:05

General

  • Target

    668dfd58ab661e0492d37e6f34a5b26934d6f123116b3fa6865d68b93b2244f7.apk

  • Size

    1.8MB

  • MD5

    7549c5f9005ce0894b0ad7ba0072fce7

  • SHA1

    6c14c0994b1f53fb498b51aa40f25ff776db9080

  • SHA256

    668dfd58ab661e0492d37e6f34a5b26934d6f123116b3fa6865d68b93b2244f7

  • SHA512

    69b2c02e33575186fa2111d97a2304fd298de88ae281aebf113383c8e04949958b52781b1cb1ff5889c8d1d7c32111c13278e28d793c7727d5a924c57bdec714

  • SSDEEP

    49152:kSD3XTf8fqZZUVKiV+Vs99+NubRL6OTu9ZuFPBoBHLLYemJWhLX/:kI3XTOqZZ4df+sbBVaZKWBHLkemcZ

Malware Config

Extracted

Family

cerberus

C2

http://94.250.253.26

Signatures

  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

  • Removes its main activity from the application launcher 1 TTPs 2 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 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Tries to add a device administrator. 2 TTPs 1 IoCs
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.silk.grocery
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests changing the default SMS application.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Tries to add a device administrator.
    • Listens for changes in the sensor environment (might be used to detect emulation)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4254
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.silk.grocery/app_DynamicOptDex/ItQt.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.silk.grocery/app_DynamicOptDex/oat/x86/ItQt.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4281

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.silk.grocery/app_DynamicOptDex/ItQt.json

    Filesize

    35KB

    MD5

    0b3adde3e2ac0ebddb4f5fb49f13690a

    SHA1

    e2e6ed18c8b80b17c552f4e975fba9b42beb52d6

    SHA256

    f3684a64cf5b54e5452128a3e7f715ed163e57214208a90854692acd6c0286b1

    SHA512

    00928b1d29080b7b416be73610d0a895a288c37564834680159da4b14c9ee6f10d64a9a5ff41eacae647cd6556e1457f784d2da72ef5ecf293c98d706f8b48aa

  • /data/data/com.silk.grocery/app_DynamicOptDex/ItQt.json

    Filesize

    35KB

    MD5

    32e900a7510986bd618aedbb5f252842

    SHA1

    ca1593efe2e24d4159091eb7e89efd312ceb1c38

    SHA256

    de721969d079c1bde17ebc950a3750e7846e20204ee43a2d8fccb13e07011015

    SHA512

    692f0d09bfb38d9ab8095ff4952cb2eb942ac7958d4d2dbb51b8ada09902b4eea641812aeae7488509838a0e7347a96151c07e0ca4e962d6383e19add706734d

  • /data/data/com.silk.grocery/app_DynamicOptDex/oat/ItQt.json.cur.prof

    Filesize

    195B

    MD5

    0ed3c32357395fc7fc4ad44c90cac09a

    SHA1

    c72c8924eb30ca9efe3d3f41f1cc0706fdd504d7

    SHA256

    a807e27cd7a59527ab49b4c8144712960b86c8911a34883aa3c1449b2b991d35

    SHA512

    d31f387658ebae612d99a38220cfa3317324fef5a7a0d9071bbc2c564954837ff14384c47abd531730badcd7a1a7e625c9ef80bd187c2712abcdc3145b425b0b

  • /data/user/0/com.silk.grocery/app_DynamicOptDex/ItQt.json

    Filesize

    77KB

    MD5

    9dfa580aa93694ae97b83ecb5cfa9ff5

    SHA1

    b17c51cbd1dad8b069e2ac3adab7fccfd6bd624f

    SHA256

    caaa953fc8d5eb5d2cbac6e280ed76c7e3ddaa2f0f4eb2ed5e7d58b7b7015ddf

    SHA512

    22c51103d9bdf7997ccb6557c92613f431b9c643a1825d4264fd4767a0f1f8e66b8f2719ccbcda1bf5aae2c9448729212e722b6d9091a4f1c7eb6cb6bdb034fb

  • /data/user/0/com.silk.grocery/app_DynamicOptDex/ItQt.json

    Filesize

    77KB

    MD5

    fbfec32963eec74794d898179aee8b56

    SHA1

    cc98bdf6e6fc12d7fb8ec6caf36d7b0cb35f7ca6

    SHA256

    d15f4935437ed4422d98c2c68a1d352a781300349596adba217d9b2b94e2eca9

    SHA512

    f846a87654034a0e00044859e354598e244d4d52c0af1bc9240b143c566919c0aa108baaeb9bf24e8c030f973b1202c417e82d72db7b0b045ba2371fdc5c1bfe