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Overview

overview

10

Static

static

6

3ce050e2ea...94.apk

android-9-x86

10

Analysis

  • max time kernel
    23s
  • max time network
    39s
  • 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
    28/10/2024, 15:02

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General

  • Target

    3ce050e2eaab83562799ef778ea2d5a62dde866d12746734a8749f5d62839d94.apk

  • Size

    7.6MB

  • MD5

    b0f8865f04fbd3371a09a35bc4345a01

  • SHA1

    5b4ce239b3a13c6700b541dfa78c807be7955b66

  • SHA256

    3ce050e2eaab83562799ef778ea2d5a62dde866d12746734a8749f5d62839d94

  • SHA512

    ea8d0cf1f6b94d8488e6854899f6abe1e77ce8a9982d350a94bb07c3ef3210f73ba92753fe1129c91c30022afdc5d9b59429fd01504dd3f1fced7fb8ac81d190

  • SSDEEP

    98304:cw8gns15iSRG/OU+3X3yVKwySRsMhcigfHMouvX1YPljjDK9VU+KR56ooVsj:8gs1rtd3XCUCRQigQFYPpK9pKR5OWj

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
  • 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.ksve_healthf
    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:4260
    • /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.ksve_healthf/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ksve_healthf/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4284

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.ksve_healthf/.global.com.ksve_healthf
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.ksve_healthf/app_dex/classes.dex
    Filesize

    1KB

    MD5

    8ea9281c88716f1d6ae76ee4889fd5e0

    SHA1

    23a3dd70f9b2d823d3bef790467e5243dc034e57

    SHA256

    04dc5f067abfd7b5560648133ccef1992d9e8a4e1d98d6e70769fb4431c82994

    SHA512

    c53d0020aa58bb4ee6ab55f72ff12f22ad15287268c23fae4ce9b12091e20e87f3b56729a5889a6566381d38137f05973581db44344be496372a885112d47370

    Download Submit

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

    1KB

    MD5

    9df02e975eabbee42413549ec572cf07

    SHA1

    5b2c482d10f6a5cf887875df31f1d168f8fa088c

    SHA256

    be7829da558db963cdd112b594cd79a52cf6ace5c837f923f34a84c30736d8f3

    SHA512

    2fc1cd0bd10f0215de41da8c69ffa1429d4b0c72fa493ac9e506b9e10ad1e336d856e085976f7e646f7c9e326b78e586342977e486681bff95a3d3cf9b9c792d

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

    1KB

    MD5

    2a8357ae286a201c6131028b6d18aa56

    SHA1

    02f344032a43b4a073b2fcc3128bfa5d1cf72ab1

    SHA256

    de2e994b63b60df830ce38638b61b84bfa367d72725ac7afa4c1c60ee1c193d9

    SHA512

    dc5f7fe333eee5e05df77841420c38e7a3f2a862c15b1ba499983f5b5101bdaba23dcae6481e49a64db860546b0b1020df457d13e08715d4aacd1222622c05ae

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

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.ksve_healthf/app_dex/classes.dex
    Filesize

    1KB

    MD5

    5e4963ff4f07b7f154fbede35e094b62

    SHA1

    0d6b82ad435a1dc85ce756658779fdf08e0c6905

    SHA256

    061f7b9b0e1b9f5b7e4dbf45f82ac30b1cea9193484acb10799ab209e7fc0a87

    SHA512

    205ff95d20a7deeba5ef84fc92c234d22317fe74793f298284f6b3d4e5559e5c99679317e70a8234b3f27341160ad3160d5c8d89956528046b9cc5c6159abc76

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  • Anonymous-DexFile@0xd1f78000-0xd1ffb590
    Filesize

    525KB

    MD5

    d9350f02d7be1d93fd6fcff1e82c8fc0

    SHA1

    78029f8f322093fbe394136dfd18600d7033da97

    SHA256

    50f8999214506f52380abe072655998f377bd29427f6191288b1a716bb79c912

    SHA512

    c3bbeddfe6ef955ab58ebf58aea2228d19a3d4e9c2f70433da00172c0b57d84bb2b30a3d823920b74de7719d550a5b05786e6dce4a25c309d279043576cb26c8

    Download Submit