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Overview

overview

10

Static

static

6

8114135bc5...40.apk

android-9-x86

10

Analysis

  • max time kernel
    18s
  • max time network
    41s
  • 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
    01/12/2024, 22:02

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General

  • Target

    8114135bc5914afe3d71df890143c41020bfb4fd37f93eca50cdede5f7d5c840.apk

  • Size

    9.7MB

  • MD5

    a01ba0c100c5069f84736553c7009a94

  • SHA1

    3f5f7ec75779f0c2cb5805d14922f513741656b2

  • SHA256

    8114135bc5914afe3d71df890143c41020bfb4fd37f93eca50cdede5f7d5c840

  • SHA512

    b12e89e51dc0c4f73d099ebef1e1c487122f3afd6064c48418a713a5a0e9b0fc33d493067ceaea9874cb3685be6e5ac1e5607d8ebb831ac6dda85e4d824b505f

  • SSDEEP

    98304:ASF7BOqKqwHQYHwUh3Pw2NLqfCRsoLex0MVr5iSRG/dLa3XKVK7u+e2asd3:Ag70qK9VrsqRPLQfrreu3XKUZ

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
  • 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.opbackupuwb7
    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:4222
    • /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.opbackupuwb7/app_expand/YbfKwjX.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.opbackupuwb7/app_expand/oat/x86/YbfKwjX.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4248

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.opbackupuwb7/.global.com.opbackupuwb7
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.opbackupuwb7/app_expand/YbfKwjX.json
    Filesize

    995B

    MD5

    b2cac0a3b07ee2d95ecb0fe6a6a54034

    SHA1

    211c5c65cf0373012f247840931c5e490192aeb6

    SHA256

    fb4841ccf70cebf500210481b9fbb8d574b813726458411fbd01b66604def7e4

    SHA512

    e99d06e9fd6e1b2ebb994c40118d760f3c637606c1f7bf35ab52121001d86b275be132a8525dfeb1233521331cdb5c1352fa5ec2bfaab342f5cfcd616c3c691a

    Download Submit

  • /data/data/com.opbackupuwb7/app_expand/YbfKwjX.json
    Filesize

    995B

    MD5

    5d274b69aadf09043a60e8dcdd0e2e89

    SHA1

    d6644938fe58b8ba8937806a1c27597fb53bafa4

    SHA256

    a2074256074e11ab5792fce46587ffd1c5fcdeaec2d77a8e7ca9877f61aba194

    SHA512

    5eb19f3917d9e6e217056d49225768c635b4b3ce23b386bcda6c3c9b43359fc78cf57384245fc2d9773387c742a6c45cd3e88a568e87e9668ec177f8d2d5b608

    Download Submit

  • /data/data/com.opbackupuwb7/files/.f
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.opbackupuwb7/app_expand/YbfKwjX.json
    Filesize

    1KB

    MD5

    9814f2770f465e2e5fd279794c4d5ab9

    SHA1

    1547f590843e8be6dc2ec989ba5a4cea0cf200a9

    SHA256

    c42616ceaee9577918ef7bd3302e45db9ae6281db9df26577952a3c0b3c59fbc

    SHA512

    cdadbc953c9c67226c7344a2ab4fe2ec4a0b702c6d6c79f5da0185b7589cd8811f791899eecb4f7dfaf0f1b2143ceca1f4ed6e96e66a3cdc20ab721608e4a98a

    Download Submit

  • /data/user/0/com.opbackupuwb7/app_expand/YbfKwjX.json
    Filesize

    1KB

    MD5

    6f1c6d120571ec25df852504a9a2a015

    SHA1

    358fa8eaecc505de4af5d0fe73dd00c790e8473a

    SHA256

    d88377d9f3a2b2bfb65ac89167dbb6bd2adb991ecef24cc71b3730d93a7ea52a

    SHA512

    9e390bbc21a525d07449d0ccd06dcc22199e54b87678eab46bc4742584906f5ac0c33aee874eb6fb2bd429ee74175b2f507277804ea294c4f9c76e136e53e57a

    Download Submit

  • Anonymous-DexFile@0xc7d74000-0xc7df75cc
    Filesize

    525KB

    MD5

    7a9749a9cfc1aaa37d91335f45e5b3ea

    SHA1

    4f877bfa74535b1daaa90a768e7d6d3c93d426aa

    SHA256

    721c3d1d781997da10f727215b97d4ac447e6e90d6323c6b45fbca3b6db823da

    SHA512

    4193d841829b19d73a0d5e4165e77e77474a04fed336a77fbd3357a6b4b596c374d783cc654ec9b54e0bc29d64974fd0c54ff6a43e97726141bbdb2f73173c01

    Download Submit