Overview

overview

10

Static

static

6

3a78c03342...95.apk

android-9-x86

10

base.apk

android-9-x86

10

Analysis

  • max time kernel
    21s
  • max time network
    35s
  • 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
    01-12-2024 21:42

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General

  • Target

    base.apk

  • Size

    7.8MB

  • MD5

    5d831c0e36819ddef6b5b65b9eb55bb5

  • SHA1

    dec7cb50027a807bb39d582024625d1ae072c3ea

  • SHA256

    d31a5392b34e71357268732875e3a6a3634a3f455042d0471164056cddea69cd

  • SHA512

    a90d6d3fdc03e81b3a08cd2e8b1eaa8d0c03e37a5767d05310311833d68bc8bc51191edc11112353c8561a94570d82ac9c22322a124b3f4fdb50c135a86d8f91

  • SSDEEP

    98304:6IKgO34lO/rCLHdxRfKXcgklipbTj7UVKo75iSRGYgGiBIYIkRs+w:/O3tr6xRfKXGlipPj7UUurjeIhkRjw

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

AES_key
AES_key

Signatures

  • Octo

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

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • Loads dropped Dex/Jar 1 TTPs 3 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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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.

    evasionpersistence
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.gmsconfig_testmz5
    1⤵
    • Checks Android system properties for emulator presence.
    • 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
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4312
    • /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.gmsconfig_testmz5/app_trophy/EiYG.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.gmsconfig_testmz5/app_trophy/oat/x86/EiYG.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4339

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Input Injection

1
T1516

Virtualization/Sandbox Evasion

3
T1633

System Checks

3
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

4
T1422

Lateral Movement

Collection

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.gmsconfig_testmz5/.global.com.gmsconfig_testmz5
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.gmsconfig_testmz5/app_trophy/EiYG.json
    Filesize

    1012B

    MD5

    73cb2de6c0d6dabb7f334f5e09c7c7ab

    SHA1

    b83cc74f52bddad0101873d5d00046ba8b4d115a

    SHA256

    bc47bd9edaca7cf8de7cbeb8e3167b65d7d2400774bc708e4cb0795ce6d25974

    SHA512

    6141e2a06e455af73a1b9dfa7c840e8fc30716bf601740b88d4da7b5fea0902af780dffab0ef319d43a93a7943ec2e293e27513d799ad943e1962ced3a33ce7f

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  • /data/data/com.gmsconfig_testmz5/app_trophy/EiYG.json
    Filesize

    1012B

    MD5

    4b839c112949288277047049fd708e9b

    SHA1

    1832f9eab0235b9b611036a875373a4e398e9103

    SHA256

    f35414d9712720d8a49aacee205ad7001bc0c11cf9dc1f810de692e9243df2de

    SHA512

    b7a3bc29edd0d2d5c7c3797f4b8868d4233cf4f7451313f643b0b22f320aacf6cab610b42b8b86f771769ced9e3b1f3c7cabda0e2a830d0b8078225119bf5362

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  • /data/data/com.gmsconfig_testmz5/files/.v
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.gmsconfig_testmz5/app_trophy/EiYG.json
    Filesize

    1KB

    MD5

    16d2de48b27eb537280fd3620da4ac11

    SHA1

    9851866bec140bb90cb93e9c1fea8f5207d316d1

    SHA256

    2154ed2c532335a055d896279a6ac3635db1a0de5e9f2cb85ac90737afca5117

    SHA512

    74984d01697b59fff8e6a3f8af6317884ae5143df6270d0ac1a4d76c06d7436bf1287a17ccc18120eb11db29d03cbeb8a0efd5da0f215cdc79c16f17894a053f

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  • /data/user/0/com.gmsconfig_testmz5/app_trophy/EiYG.json
    Filesize

    1KB

    MD5

    fa791d41faee61f3909d5f4ebda29514

    SHA1

    77158b41ff8d0b218147edcb4edfa57f266b67bc

    SHA256

    dd26a4df76630f1327eafb958b1d69239d747fe5c55f31e495362ca4fda84a91

    SHA512

    80817c1277f0b79337cab800416f38101d174b3ff1bc9d4419a3632a7da6f423f825ee5feb415a2096597668d01143f4b0e2cfc1ff0377fd4ec81e216a63926d

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  • Anonymous-DexFile@0xc8ef8000-0xc8f7b78c
    Filesize

    525KB

    MD5

    ad5f6b35adf2c1f42ef2fc7ad2e86d65

    SHA1

    88f4b4648c1652d2fff29ee21f110a9f64f8fe62

    SHA256

    96f06d04276c9778b47354b72a42b1f5e32790dd6441430cb31b5075bea51f76

    SHA512

    685fb507376828185cb394294d87287426c712dcade36f1e5843b22350e50fedb84effd7ec291d6e2b7a7002feb5e818549d8354246343c93f72d920b2c2812f

    Download Submit