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Overview

overview

10

Static

static

6

816e42c733...c4.apk

android-9-x86

10

Analysis

  • max time kernel
    18s
  • max time network
    29s
  • 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
    11/01/2025, 16:28

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General

  • Target

    816e42c733733ba774f1fe7df89bef33ca4550f6fc5a7702ab918d3cdc7cb2c4.apk

  • Size

    7.5MB

  • MD5

    bbceff4e86489a1afc7f8b3cb7d72990

  • SHA1

    15fcb3daf66b5bdba7274ff56ec9339d5cc23acb

  • SHA256

    816e42c733733ba774f1fe7df89bef33ca4550f6fc5a7702ab918d3cdc7cb2c4

  • SHA512

    0cc1c12aa4cbcba03544c847452141624ccdf12a8f1c2be23251d84e9a14af7a9f2d43f1a798734579fed42633b873453cd46f63958d7cae543f3d8588fd2995

  • SSDEEP

    98304:ZRJu7MeGyCPIj7MuRstxwKVKuI35iSRGeFAfWNnGRbltPctesg7Sz9uFCmX/r+9K:cCQj7tROvUP3rFAFC2h

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
  • 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.wnkey75_com
    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:4388
    • /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.wnkey75_com/app_room/mRbMIXw.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wnkey75_com/app_room/oat/x86/mRbMIXw.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4435

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.wnkey75_com/.global.com.wnkey75_com
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.wnkey75_com/app_room/mRbMIXw.json
    Filesize

    1006B

    MD5

    dfc4cf77f00928d7fa713c68f686a8a8

    SHA1

    09c968a598739fcabf711da0d469242e1bf62101

    SHA256

    f0d0082d3bac44795af5a8f7c00e01e32ba2a0171b60c9a8b11a9afad7f61de4

    SHA512

    e79c4f270d3efc571044fb5e103fc1d5402e54a259d3e846f21c8efef4cd97c20afe6acce48c9cab4a4e5d359b0fdbacba38f42e0c115e0b9705884984b61fcd

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  • /data/data/com.wnkey75_com/app_room/mRbMIXw.json
    Filesize

    1006B

    MD5

    39649a88bf66d32d2d77bf61618cccb2

    SHA1

    08fbbb4f656818933f1a3ede29b518014046b4da

    SHA256

    9aa530c90bde56f18384b609d6d8823063cba6be5a8812390fe297bbbf209511

    SHA512

    332a3bd0d1220697f1447d035ca035a52585c24001e7ef09215e0e4fd9769d9c0ddaeb44e29d46aaf49150fc15796215df086fdc0e33a733d7598a5295a9e491

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  • /data/data/com.wnkey75_com/files/.h
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.wnkey75_com/app_room/mRbMIXw.json
    Filesize

    1KB

    MD5

    0c7b11f3ba638b947d0bcdbea4bd76db

    SHA1

    a0759828d29f1a753d0d91064f8fddf955853377

    SHA256

    2aff7e04487b4294708cd4690a3f03e1de1776d62d21280ed4d2dead9906fb3f

    SHA512

    614881b41e91da42b1d216f3d49484043fa1c36bb16a09e71f7923d781f99620d9b37042b89324708a15b570a2a1eda8173b03b121db943faed1c56101db35ef

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  • /data/user/0/com.wnkey75_com/app_room/mRbMIXw.json
    Filesize

    1KB

    MD5

    490b4ddce90e1953040c46c2dbf382e9

    SHA1

    b579ad85249dd2af58930f7e1a2fa20603accd80

    SHA256

    7c29092a03e411c8fe3a1bb663be04ac9a818e38e6a4989037b5da275331a2df

    SHA512

    017eab344fe3bbc50491b27283c041e62685bfa3858e28c6fe9030bfb58dc19f5f4f1b8aaa2c06d9bbe1299cb81d985d8790ce790d888cb8fe62076d14c84738

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  • Anonymous-DexFile@0xd4178000-0xd41fb51c
    Filesize

    525KB

    MD5

    705491db94def9478ff50688463214cc

    SHA1

    69291e53a9c9af7790d9ce137f79771d6b64131d

    SHA256

    94d56c3b206162a6ddc4f334d065fca55b13bb0054d43274bd4a29bba0ec140c

    SHA512

    b80abceda27a48021a49b57fcafcd2527990242ec3531337fcedabf299fbb3dbd47080e3e27b42001a4e6a7caf7a3546eeed21b7a2a9ba30dd6c9a737c401554

    Download Submit