Overview

overview

10

Static

static

6

46726aa5de...05.apk

android-9-x86

10

46726aa5de...05.apk

android-11-x64

10

Analysis

  • max time kernel
    20s
  • max time network
    35s
  • 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
    01-12-2024 19:31

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General

  • Target

    46726aa5dea2bd93a9fee46130ddc2abc77f43207d235d4892a6c101cc896605.apk

  • Size

    7.4MB

  • MD5

    46536305772293ee27c3bdeecadc9861

  • SHA1

    e0ddd75a5c4a4a2a5504fa82bf70de8d4cc3ae40

  • SHA256

    46726aa5dea2bd93a9fee46130ddc2abc77f43207d235d4892a6c101cc896605

  • SHA512

    12e33b4bbf09f120f426923c9faf5a909b99e77400adfe69fe5d8dd994352be1fdf90b7a248e90423583411ae015abb0d0262624dc1581b7ad8189d29b7fcecd

  • SSDEEP

    49152:wvzK1Xj7PetRsEXdh45iS7xrGnzHjUZyjVKScP9+VFw7Q0sJqefMuY5GENcfnl7A:wvzgXj7WRsJ5iSRGeMVKRM5052NcES

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
  • 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
  • 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.znew_audio49
    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:4257
    • /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.znew_audio49/app_coconut/uRZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.znew_audio49/app_coconut/oat/x86/uRZ.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4283

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

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.znew_audio49/.global.com.znew_audio49
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.znew_audio49/app_coconut/uRZ.json
    Filesize

    1010B

    MD5

    dcd782faa18b406abf346e6c6efaf925

    SHA1

    0eb5a30991c10312c4ba3e4334eb8e91d0425e7f

    SHA256

    a1645ca3168ba2bd6940658296845a15d35a8f14dcbd990c35b3a05906aa4a2f

    SHA512

    b09a2da94c9ac0a4c5af572aa63804725e9b1fe9afef0d9a0fd8380ac66d1723c4254e207782bab415cd6a38ed93a9f4fd33d8d2a2fa8f66550e023a7394bab4

    Download Submit

  • /data/data/com.znew_audio49/app_coconut/uRZ.json
    Filesize

    1010B

    MD5

    9d492806d27b5d1203ec252a36ab942b

    SHA1

    949e40ccb6ebfe49b02e71d5a52b2f6274498940

    SHA256

    d5900eaf6b3fe331cc2138e0e8dd6e500edaec705bf1f9930224952f2ec9aaaa

    SHA512

    02226ef6b0e76e9ea080e7b7a4a56ce173a4781e52ab1df4a29559bb7fd22ca768422010bc8ac4128f1475d18fb5352cbc0059b0d16dfc43b9d7f728756041c9

    Download Submit

  • /data/data/com.znew_audio49/files/.h
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.znew_audio49/app_coconut/uRZ.json
    Filesize

    1KB

    MD5

    4ef0f5daae329db9cd13a14b057041f6

    SHA1

    6d442d94a808353cbf4f8e8642358919fccb2f27

    SHA256

    f7d4d977ff7164dd684c611f6d32dc683da95a5fce1afb36e409bbc28d2751ed

    SHA512

    dfe919d66e1bc5c059e96e6a358dbd8d7afda90b9b08b092798e25c0e04d91f18bc17ca4bf2e228d5a40e098febe98aa9b3fdb544688bb385d3cc30761ddbf4c

    Download Submit

  • /data/user/0/com.znew_audio49/app_coconut/uRZ.json
    Filesize

    1KB

    MD5

    257093c1a6cb733ab60560a53d9936c5

    SHA1

    92598896d5dca77919daea7ac9088bb2f600fccb

    SHA256

    2976dab32dd4a2203795f6f394fcdfcdff24ce670ff38a9f687c5c9ef7cf32e2

    SHA512

    86d099df28ea7963d37fbf4bea689bd47edf17035a5bba0a845b3fa2fa2d61ab01388eccfa9712c600b5ad3564c3c7d43242ac4e16f5f62d56aa1743f61eaf73

    Download Submit

  • Anonymous-DexFile@0xd51f8000-0xd527b58c
    Filesize

    525KB

    MD5

    acf88cc829802124cb144aa42dcfe702

    SHA1

    b623bd580c0962113eca109f93b2b3265eb7bb26

    SHA256

    5d1feede6fde72dbe20c192d65e85c4ca879477d902be1bd5d98888ea524a770

    SHA512

    78ce435e24b02e4a34c53eeb02abf546d541020f3490fa7acd85dce89cc979b55e331766c501ae99c8ddeda1b55bed9555acfb6d45539bcffbace6838e7a515d

    Download Submit