Overview

overview

10

Static

static

6

08d59f56d9...2d.apk

android-9-x86

10

08d59f56d9...2d.apk

android-13-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • 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
    16-12-2024 02:21

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General

  • Target

    08d59f56d9aa90c50b024bb7984c701c02c4298f36ed60b4336a1568af20862d.apk

  • Size

    7.3MB

  • MD5

    a74a6a8a4ceeedd3c5ee57d941b92377

  • SHA1

    819b300c04883a88452a1451e92eb70076f1bccc

  • SHA256

    08d59f56d9aa90c50b024bb7984c701c02c4298f36ed60b4336a1568af20862d

  • SHA512

    c09be9af5765c9baf1faeb135d5a9b6390d18c121c2881f16961d4c1a9d877b0887baa63f19ea9f1248011ce276928e2d578df166501c1eb46b419efce1c04f1

  • SSDEEP

    98304:ycaXZg3X/Rs5vS5iSRGSwVKn31v6DNQ0WILb:ycaXS3X/RIqr8UFiz

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://dcbafa46fded53ee7a98b8deeb3b88a9.xyz

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 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.printwriting_role32
    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:4262
    • /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.printwriting_role32/app_farm/Xm.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.printwriting_role32/app_farm/oat/x86/Xm.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4289

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.printwriting_role32/.global.com.printwriting_role32
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.printwriting_role32/app_farm/Xm.json
    Filesize

    1007B

    MD5

    7dc2304639de93f6c2c70cd0ad4a9ba7

    SHA1

    404cc78ec0b4aa56162d0058436f98562d003880

    SHA256

    cf9a2d7cf4ff44d8119f397e32d436517978d4963500c1cc82d1576b8771b175

    SHA512

    ffe64ae7767d8e365bbe9a89c97b7669fff116fa042365633ce00fe4942b75eb1aca7ee38fd8a9b2cf948253fbb252fe5a7740e7642d0843d795f572d8d2bd94

    Download Submit

  • /data/data/com.printwriting_role32/app_farm/Xm.json
    Filesize

    1007B

    MD5

    b2cc75acf7c958df3c517853b67d3bdb

    SHA1

    9086eadf6286c161720edacc2ee8d59bd1356fe6

    SHA256

    3fcd2448bb5d14ad4d19934494e05e96769ff5fda71a73a8aa3bae400e5090f8

    SHA512

    a1edb6fc9ec089af0254f5f46352690fe5de0765200f684be50416a69471000c54635b9fe97595c0a3d9cdbd933eceb171c3fa02c0c5e02778ea7bd2ec1041b6

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  • /data/data/com.printwriting_role32/files/.l
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.printwriting_role32/app_farm/Xm.json
    Filesize

    1KB

    MD5

    9c5710da4e27db7b9c6d220e7cdef198

    SHA1

    2739eb4316b1af1c398c5877980f768aaf9cd108

    SHA256

    221929c04d9243453052cd32f66a69db19ae8ab75572c8f33bf68c89d88f4fb4

    SHA512

    5e6812100bfb691f04d35e8e52da4e625bfb7e49a274d2867a24c9badeb9e09db6f6dcf4b5690a8b1c8d23e6272bcc3838f3094c63f67a504bdfa2fa98fb6214

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  • /data/user/0/com.printwriting_role32/app_farm/Xm.json
    Filesize

    1KB

    MD5

    c89cb61479603c903c73f88bb4109db4

    SHA1

    86e41beac067b7e5c7dde7f914aac2fb86258e71

    SHA256

    724978dfeb952a8ac9b65c17bc1ac40486071029a9412583337b035033c1acb0

    SHA512

    d2df7ccd62e8870c834b6c6568a3ba4e1a1a581b82418fe73385e606b13f1e577a2256e1eeb4efd68c1f68ee1e9003233a438ac8faad7853afaad4e979b995c7

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  • Anonymous-DexFile@0xd2542000-0xd25c58b4
    Filesize

    526KB

    MD5

    5ff086c3781b6f6f4b0febf10ff07b6f

    SHA1

    8220a3aaf741c2b70e75578809b6b05482a2e9e9

    SHA256

    f85405e30ce55723e2bd4ca6b0d5cd8822d147eddd4ad6ff3c500a8e4a71363f

    SHA512

    039e929eebcf5f4eea06727a7ff6f62327b34859e7cebc94c0da8c01bf2f6aad4db3417fe19217c847e512c181f9191d03c11d4625c8e9f2a64234c7a4462d03

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