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Overview

overview

10

Static

static

6

d5adf7ab53...03.apk

android-9-x86

10

Analysis

  • max time kernel
    26s
  • max time network
    37s
  • 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
    11/01/2025, 16:43

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General

  • Target

    d5adf7ab5328e4acea7217af18d5f1720ce1200ad68c8ecb2916d45ad90b4903.apk

  • Size

    8.0MB

  • MD5

    a161a1dc09d6144cd8b1140c5f02f52b

  • SHA1

    583c017533b40e6eef6095a43e7caa59f2e36793

  • SHA256

    d5adf7ab5328e4acea7217af18d5f1720ce1200ad68c8ecb2916d45ad90b4903

  • SHA512

    79aabc9b169cee6918bd6f6b7b9e85076922792040f37d2a48129c2f074b65da7956dec32fc74caee4e3eda5e29af16a469c7400f47ce52353d66fbdafa4aa50

  • SSDEEP

    196608:FQUHOj7c7uZa4LIwia+SjYMvSgNU8TrMRd2c+0:FQM7uAbwRQxgN7Tr9cz

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 family
    octo
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • 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
  • 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.mlegal57_gestural
    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:4271
    • /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:4297

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.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

    6421acc03a941716b59e43d34e3e26a5

    SHA1

    bc55401f83caee22d130d5127766a40dccdb5f80

    SHA256

    a4807f29f322b54ce494ea42e7d0603cb158d52705312c5739056beb4326dd5e

    SHA512

    c77a566fade956546d789b19f82def8447d8020c116f35e9beba6e7a5bc2fcc17b206a7a840c5700068ac5172cb11de466b3d7d3a44c3b1049fb5ccadd638e91

    Download Submit

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

    1KB

    MD5

    06e7c17081ef7ec38df2c19f74e51eab

    SHA1

    5a95fa4858fd0fe0537849caaa00fa26061ee50e

    SHA256

    89f0062466e4d167b0370be912eb48940b451f40f0e9710f32af1983d9279330

    SHA512

    4ed691e1f48af33694ccbb52d4e959e72b111d36a3380700f175f3798b2d162157310b676bbcf8e0774971bfff489b7aac82561114ad6450087817e1658b06d4

    Download Submit

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

    1KB

    MD5

    25b0fa153fd3d2b0626f9798b8f14f30

    SHA1

    8684f8bfbd8b10304a31ab93970f0e898bb3a2c8

    SHA256

    d8a894e1518c90e69ad34ad6ec2f94568dda7957e6caa057b1dccc4f4b68e91d

    SHA512

    85967d4553473d23c187fd895bec7d0c3665745f0c047129d70fe5801f19cf1135b2d1ae88dd118c1d20c9a7a7fcb28f3cf3ae186081f671295500ad8f7e7c43

    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

    d203b84d247527b859cb9eedd9e19f94

    SHA1

    6506462b283eb5fb36bdc5b2e62025629798e05b

    SHA256

    c117191396d25fc1898bf48a501a1021048ba77df15de29ffeaf094dbfaf3d18

    SHA512

    d2ba00be8b7e936c4664f8f4276b250ccb66f16edc0c7eb76f1c2c2206d3756dc0bba98cd43fa4e91c7aa8e1949c1517894c50e04566f41992195712646b0b88

    Download Submit

  • Anonymous-DexFile@0xcaff8000-0xcb07b6bc
    Filesize

    525KB

    MD5

    445eb7b6b7aa907823519cfbb11e03d3

    SHA1

    301c327de5ab7f39b0ac0c66610ad5e1fff8ddfe

    SHA256

    2d6b7ea79125e59cb1ea087860f363a2f19b4f93c792eac699f305ef0859afad

    SHA512

    e419454b7f7ebc453a21df46fc644479e099652121252478878042474698bdc0e7e691343c56408f4ad5fa2c1fcf455ca6d0122d00585f19b63788403eaf9a99

    Download Submit