Overview

overview

10

Static

static

6

53e3f7cc92...54.apk

android-9-x86

10

53e3f7cc92...54.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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
    16-12-2024 02:20

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General

  • Target

    53e3f7cc92854953a51f7908138d06c2557891e55cae9437dec87e32b4214354.apk

  • Size

    9.8MB

  • MD5

    21d2217170abc458488889ac83474492

  • SHA1

    880e6dc9f9f1375bae5161c3d9093829efc4adf3

  • SHA256

    53e3f7cc92854953a51f7908138d06c2557891e55cae9437dec87e32b4214354

  • SHA512

    4311279be89d0ebff2fe1b22ef94b2c5bb1af0551f966782e03eb244822bf1528668b199bb500c62f9d76d45a0e57920ff6d81b261711ff1d0063e8e63e24d1d

  • SSDEEP

    98304:4IYdaOVvVKMGFH3XY5iSRGxaRsDhqa1/F2tN7tuT53OatAzj1lf:4dvUjB3XYrvRAqQ/Fg7tuTxduX

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://6cbe12d804e423a2e6f3631799f16cb5.com

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
  • 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.picturewatch_webapp03
    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
    • 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:4257
    • /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.picturewatch_webapp03/app_cash/BBAypda.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.picturewatch_webapp03/app_cash/oat/x86/BBAypda.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4283

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

2
T1633

System Checks

2
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.picturewatch_webapp03/.global.com.picturewatch_webapp03
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.picturewatch_webapp03/app_cash/BBAypda.json
    Filesize

    1005B

    MD5

    713584301d95590dcbf084f4676f774c

    SHA1

    a5870d562273a805ed2bfd6e225bea9c11a30f64

    SHA256

    292fc5d13480dbbe630337660fecab915706968743ba2b048910fcbb2e9f8256

    SHA512

    ec01b49db8341b1c9c106170f38bcddf7ba1545e77fa5fd808ed51a298bde592f4f429d91f0f10b287960a4ccb449867096f19f10c6933f416e40e37c52af446

    Download Submit

  • /data/data/com.picturewatch_webapp03/app_cash/BBAypda.json
    Filesize

    1005B

    MD5

    502f9e2a33f4783e8c17d3ea2982ad64

    SHA1

    c7ebfd7d0c5ef64f49c650ea6acd0b07d9f9fbc2

    SHA256

    f80b0e14468ae6e1d3e00a00120454451ebf6dc5ae50a1a0a7e5909c77d4e169

    SHA512

    7363bf23f1fc3bed7ba6a4418b0b915265fcf82c81ddec2f1fa8c0740d2984122429eb8686eae085e4e9dfd9296debfc2a3b547cb3697bfcc42229e2a8bdc412

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  • /data/data/com.picturewatch_webapp03/files/.d
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.picturewatch_webapp03/app_cash/BBAypda.json
    Filesize

    1KB

    MD5

    8e20ff18b4528b87290b9787c509637d

    SHA1

    56f22ecd8e3d2763b1fb2054aa1c29e9fbf2a13a

    SHA256

    62297dd67a4ad416a6a07f89a9f6197961bb2549811e5601da39420bec5eb774

    SHA512

    93f70ea4c346233c7634ebaaf8b647c3e8aac19ca2872f93da77a018bce23a3aaed9d4eb8723944c71b55a77b718a3de0abe4d59a078bbc8f2fd6f2e75722a28

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  • /data/user/0/com.picturewatch_webapp03/app_cash/BBAypda.json
    Filesize

    1KB

    MD5

    dd02e4fd8a17c1b1073699c0e0c0edf1

    SHA1

    a785a149a0d95a0964271299e476bcc1472cd95c

    SHA256

    7eb62b290e3b9fdcff7ffafebbf8782f2526b19fa099d7c9e30fe700caa3bfa6

    SHA512

    7b1fd424661cb23009f1bfc9b68c98e122a37e250a424dbfd12b90d811a1c00f6ac7168952cf5178943bb2f3b060a82ddc1edff4badb9238b6c1c16ed28cb6f3

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  • Anonymous-DexFile@0xcf778000-0xcf7fb940
    Filesize

    526KB

    MD5

    4e9c7fd611ab4ed49fcfab415526a4c4

    SHA1

    0767ce714cdb29037af72591b1798f927cdfac05

    SHA256

    27be0e7fb6540dda38c30d97b5fc28de37953668863f59e312313cb84a748d9c

    SHA512

    f1eba1b3108bc409bb0fe06138fd6e9fc92cdb58e3106b81fd8b681c899831b4a8d954b12b383b977aef7f1269bfd9708bb9c79e4c5f407e9cd18e0480b73116

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