Overview

overview

10

Static

static

6

GoogleChro...3).apk

android-9-x86

10

GoogleChro...3).apk

android-11-x64

10

Resubmissions

28/10/2024, 06:36

241028-hde9pstaqj 10

21/10/2024, 09:47

241021-lsla2syfpe 10

20/10/2024, 19:10

241020-xvpxssvfre 10

Analysis

  • max time kernel
    21s
  • max time network
    40s
  • 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
    21/10/2024, 09:47

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General

  • Target

    GoogleChrome20.10.3 (3).apk

  • Size

    8.0MB

  • MD5

    985f23ecc307ffc5e197f0fa24dc6df6

  • SHA1

    274d63d68376c593ea434b8484bd6cef09c8b6cb

  • SHA256

    3366f1f9057ca8b0734a58cf9b50407556c0dd6792ea0aa589837085e3f25392

  • SHA512

    ebd7968d942b634adfabaece09a547f9b80cab3abc5dd62f60eb299062148cd1557ccc73ff822bc2a61e00a149a9fe57b85d802d8b513a66b4422a5edcf164bc

  • SSDEEP

    196608:q/uOj7gUFN1gZfpmtIqx4PR2WQRuhuZTrRRI2o:q/Ui1gZfpIx8RX+OuZTrlo

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

DES_key
AES_key
AES_key

Signatures

  • Octo

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

    bankertrojaninfostealerratocto
  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 4 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
  • 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.mlegal57_gestural
    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:4320
    • /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.mlegal57_gestural/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mlegal57_gestural/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4345

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

3
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.mlegal57_gestural/.global.com.mlegal57_gestural
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.mlegal57_gestural/app_dex/classes.dex
    Filesize

    1KB

    MD5

    b6a219287bfe80c11da6c7951f3bd42c

    SHA1

    bd542f3355b7e454e79f7096b8d2a9b9567e9678

    SHA256

    32cd9a58ddc7d6064e6929cbdc6e1ee693f34956838435667fb8f110428320d7

    SHA512

    f5af5ae0b22035d5058ac2b1d8f949b174ab2b565974ef36ed194b8dce9c05809f61f15b7cbed40678386161c5dfb79f75db9e93b72b6e63621d1511c8cc90ac

    Download Submit

  • /data/data/com.mlegal57_gestural/cache/classes.dex
    Filesize

    1KB

    MD5

    d62ad86571951e49ce2e6e2fa2670324

    SHA1

    c3a38b8406753257072610430384dda1be653e3c

    SHA256

    dc9c82f20125f5834f4fa82bb06d577d7cc67fec6d7dd81a4c66c8e6dc858d11

    SHA512

    126ce9d898fe7bb2a37c75fb16bd7cd6669eeed32f7795c7ccf871e39e2b6529e3f7b44191ba5b152d334fc73cdc506ccabfca1cb4b079bbc6dd60d990cbdc83

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  • /data/data/com.mlegal57_gestural/cache/classes.zip
    Filesize

    1KB

    MD5

    c8582253f80006827c540f94a0f2847b

    SHA1

    d394720c0136dd10d317ba9312fed03a23abd88f

    SHA256

    7332f3fd48d893ddc40678e2e5a5920a723a336e705a2f21de4467f0fce9a943

    SHA512

    9e31af50889c5c793547344f010abdc78588ec7ad49af852ded9304a836c7cd44ae091326b0e40fc8b325916197e30fdfb2ce63e43e805543f98ec59a94062e4

    Download Submit

  • /data/data/com.mlegal57_gestural/files/.y
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.mlegal57_gestural/app_dex/classes.dex
    Filesize

    1KB

    MD5

    f6f50962c04e58b6e4911b51ff6f961c

    SHA1

    4c015e081ebb9a893f758522d1c94e835bfea93e

    SHA256

    534d9d6ab68a31cf415f7a4678d49f26fd3e6d0488d5a5771ba4405a489fe4f4

    SHA512

    fe0bc731bf4d5159acc443fb1c16d0a015f6f9d1b5988a23400549e69d1bfbfcd42c1b47bd48858581e5fb9d69a2604952ec019fdd56747ca4312bdaa74118f7

    Download Submit

  • Anonymous-DexFile@0xc8e78000-0xc8efb6bc
    Filesize

    525KB

    MD5

    445eb7b6b7aa907823519cfbb11e03d3

    SHA1

    301c327de5ab7f39b0ac0c66610ad5e1fff8ddfe

    SHA256

    2d6b7ea79125e59cb1ea087860f363a2f19b4f93c792eac699f305ef0859afad

    SHA512

    e419454b7f7ebc453a21df46fc644479e099652121252478878042474698bdc0e7e691343c56408f4ad5fa2c1fcf455ca6d0122d00585f19b63788403eaf9a99

    Download Submit