Overview

overview

10

Static

static

10

fb0f59a48a...f9.apk

android-13-x64

10

fb0f59a48a...f9.apk

android-9-x86

10

Analysis

  • max time kernel
    17s
  • max time network
    28s
  • 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
    24/03/2025, 12:37

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General

  • Target

    fb0f59a48a4cf2a102ede5bacab8893aed10d594ef06f737521506e7f85580f9.apk

  • Size

    9.7MB

  • MD5

    0f69196bc87d7e41224a317643c047cd

  • SHA1

    dfa6b12158dbb88ab246dfc4e4863dc999955932

  • SHA256

    fb0f59a48a4cf2a102ede5bacab8893aed10d594ef06f737521506e7f85580f9

  • SHA512

    4a13b758348e3a5084ce44f93fe06f5957bd7a87e9ca2c03b5490e9191ac853c18acce021db3618aa2a9e81ec9432e73d5f492db50808d5d6f6380875ace8bab

  • SSDEEP

    98304:f2VKHn5iSRGHQnFB5QCK3gfz3X4Ipzmmcj+z80UR3ENNLRs87v:f2UHrVFfXegr3X4s6a5RV

Score
10/10
octobankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistencerattrojan

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
  • 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.

    collectiondefense_evasioncredential_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.

    defense_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
    defense_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.dictionarysdk_waterfall5
    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:4385
    • /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.dictionarysdk_waterfall5/app_replace/IxnmT.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.dictionarysdk_waterfall5/app_replace/oat/x86/IxnmT.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4410

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.dictionarysdk_waterfall5/.global.com.dictionarysdk_waterfall5
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.dictionarysdk_waterfall5/app_replace/IxnmT.json
    Filesize

    1016B

    MD5

    0eb2b676960e484037fccd17bde8099e

    SHA1

    f0631a50092ef91caf12e9fdc59e4e1ae8b3ab90

    SHA256

    ebcbe3c90fa25e03568b5200d5626d91c7c5145eadf89e81d7ffbd86ffe6b5d1

    SHA512

    ab7f7de4674105eb6302f57886bbf7a7e02e835cb68d8277db9033ebb49c50568eb5ebfc27806cc3fb2e2151ba61b97d2ee2a0b3a4311bb32ea30dbce751381c

    Download Submit

  • /data/data/com.dictionarysdk_waterfall5/app_replace/IxnmT.json
    Filesize

    1016B

    MD5

    2f5a2880ce50c16787007bddf52cac01

    SHA1

    1a1d36ee20735ab0332ab98cafa9ddad0439560a

    SHA256

    2042970131e93c66118c3f042a0de7d45634a374f16af2bf268645df335d8820

    SHA512

    5670cfd414f2d761c846b99b586b46af11c05456d708cf0c865dd864dd92d95259211768e3e6df6d1cdf1e5c200e7e230fe750f96afd763011238159632eef30

    Download Submit

  • /data/data/com.dictionarysdk_waterfall5/files/.w
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.dictionarysdk_waterfall5/app_replace/IxnmT.json
    Filesize

    1KB

    MD5

    db4573a4421f1886248b847b2415f61e

    SHA1

    2be4f545939f043ef181157afe99bb59ff5e9c1e

    SHA256

    b8c5d456fd184875bf43a72852e344272ec600f87ceb40d6582c825133fc88b8

    SHA512

    fc3742c639f88b79e823dc9afec7edc427271cf17cb8bd9e3979f478a3588367f0cb067e93f69a09254d69aa7b6e2f50cb406bad566286eb3fb84377d97e2d72

    Download Submit

  • /data/user/0/com.dictionarysdk_waterfall5/app_replace/IxnmT.json
    Filesize

    1KB

    MD5

    4791e297116d026a6b0995c4de7f426b

    SHA1

    9834bfe7eb597d480b291b00ca19c0453c9f10ce

    SHA256

    c935d5ea345dde66ca9a45705df294b6120c7e20a70d1fdcd5f18710bdea2099

    SHA512

    dc6ab62e380551e97a9cd86610de644fa13b9fb380e3435ef5c5a8505b4c9b9863940fba2fd4906abcdedca4ab5205b9d2722214dcd64f45cae733996a92d510

    Download Submit

  • Anonymous-DexFile@0xd024b000-0xd02cea84
    Filesize

    526KB

    MD5

    9ff57c44ff3047f87db4c70aa24d8297

    SHA1

    f3681b8b286f96fd1f82e5c26c279898d5d23b91

    SHA256

    e0abd08374c23ef1f7ecae1a829bccdd1bb15474a2655ed8020634d2f42fe5a4

    SHA512

    55c3edb7e3b9b05f9b811fec564624c7b087aa37ecf2b79b52fd60d55e8c121ac6e6d96539c0ddf05830455b3e17e6adfa65f405cbb1762bc949c8b91ae3c901

    Download Submit