Overview

overview

10

Static

static

6

3e68e0cfb1...3d.apk

android-9-x86

10

3e68e0cfb1...3d.apk

android-10-x64

10

3e68e0cfb1...3d.apk

android-11-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    05-11-2024 22:04

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General

  • Target

    3e68e0cfb1297eb326788aa0376e02944f72c85a274b6a4d812e79bdacfd193d.apk

  • Size

    2.2MB

  • MD5

    a5066f7644843ae81971d9e5ee8bcf90

  • SHA1

    bbeecb5acd3c769db9983f9cc243cb6bfb9aed91

  • SHA256

    3e68e0cfb1297eb326788aa0376e02944f72c85a274b6a4d812e79bdacfd193d

  • SHA512

    c5703e679b7f496c07531bc5f899e23804c68eea6680fa0a3fa1d44d6c191f1e5f700aa1eae25bcdef51488fe9f6ed8da9176deff51ded7ddf1635d3f5176a59

  • SSDEEP

    49152:oAAr6roD34oWVCoj3me+XlEX0dlBGHVVoQEe8ZqSbcltk3X0gXbbTWe3vbLbbsjU:noiVC0WJXlEX2afXEFqSgXWkK/WObLbZ

Score
10/10
cerberusbankercollectioncredential_accessdiscoveryevasioninfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

cerberus

C2

http://5.199.168.54

Signatures

  • Cerberus

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

    bankertrojaninfostealerevasionratcerberus
  • Cerberus family
    cerberus
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.silk.execute
    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 disabling of battery optimizations (often used to enable hiding in the background).
    • 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:4339
    • /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.execute/app_DynamicOptDex/YXLJo.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.silk.execute/app_DynamicOptDex/oat/x86/YXLJo.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4365

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.silk.execute/app_DynamicOptDex/YXLJo.json
    Filesize

    63KB

    MD5

    0e1f94e39215bb4aa29d8087e41f7d25

    SHA1

    8a51682ba24252bc7ba1f83194e195bbe21f1a6d

    SHA256

    723a526ffd24edeba62e296bc007708a199ef3cc14512e0e8acd7cb7aaa1244a

    SHA512

    3257e0328a22e967048f431e24584465b1c93949eda547b3294be81de1e90b2877b85cf5c41e863808d53e58b0cc58c6f5c13bde4d904bfb9b40b42821e84e72

    Download Submit

  • /data/data/com.silk.execute/app_DynamicOptDex/YXLJo.json
    Filesize

    63KB

    MD5

    3906b95e66f56574ec7d3366672778c5

    SHA1

    1227ac6e6d82cb062c776994947a025b55b823ac

    SHA256

    3a1e23112aa81af24b50fa77b2bbb6d5681d1778c6860e0472842baee6c088fc

    SHA512

    32efc8acedefe5dfe08d5ca6b67ac6fd3b32ad4fde358ff93f2ee0b6b9200448300a5ada0f5dc1b2a583ca5b587b978752f5caa04fb4a018bb0681ea761f5a50

    Download Submit

  • /data/data/com.silk.execute/app_DynamicOptDex/oat/YXLJo.json.cur.prof
    Filesize

    814B

    MD5

    354c891d35e048e58200c0c9a8d01bcf

    SHA1

    39d2944eaf1ca9d1b09a1ac76eeebae63f19f79c

    SHA256

    8a2b1e5560e1154da5eed1f42fc6d064b4be5680e3324eaf240d376658f669cf

    SHA512

    357c60909db7780a12c0aefe9aa1ab87e9a8be0db846120d1b4ac7aa08c55687e6f32d609000a58a6ab092248f8127754e877068785472f8b567fdc0f12876e1

    Download Submit

  • /data/user/0/com.silk.execute/app_DynamicOptDex/YXLJo.json
    Filesize

    125KB

    MD5

    731a5b014116c83a723fe5fc6f936b17

    SHA1

    0f60168ca42fcd9bb3dac1e8347b7c45906ad5cc

    SHA256

    d1de5221a4383c41380bdf66f048e49062238db6b83f0dd8262f91f57b280f69

    SHA512

    28afa5eb3b4a32210d2b077b2acf716aff64503a77e0e04a0d6340709579497503a1c0318154907dccb2af8605f3ce6a3be7bff39dadaf57b66490d538c82c46

    Download Submit

  • /data/user/0/com.silk.execute/app_DynamicOptDex/YXLJo.json
    Filesize

    125KB

    MD5

    9cd29da5c9c22206849999e4843cb1bf

    SHA1

    0d602256f5f488fcd62cd1c1f5d64b9f0e916f99

    SHA256

    4a7129214c4f1a533fa9d9241b0c6f6077ee20233107dbdb9b20ab4d8d6aee17

    SHA512

    847b7001a235cc61538fd92752a9515c97457df1c47a1f79a0ed9a6cc3f89320b8760381024ab3aa8bfb0839e3e624c4b306fadfb127446ff03858e8eff30e6a

    Download Submit