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Overview

overview

10

Static

static

6

34461c8c3d...34.apk

android-9-x86

10

Analysis

  • max time kernel
    24s
  • 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
    11/01/2025, 16:18

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General

  • Target

    34461c8c3dc90069a8f1e39927a35f2847c87acc31586059d4de202fb0ee2334.apk

  • Size

    9.5MB

  • MD5

    5fe1ce057b81015538c12a2829f542c4

  • SHA1

    c1a6866350c14b27f6f084c4e2fd4b4ccfedda2d

  • SHA256

    34461c8c3dc90069a8f1e39927a35f2847c87acc31586059d4de202fb0ee2334

  • SHA512

    825e9cb7f2893c6ec36a97eff828efad9117444711c9e41b045cbce8a29a9a256b56f5ef21f390efa5255bd43a3924548cc60845a3d7a1a907613d8a82c31dc5

  • SSDEEP

    98304:xirLr0H/LVKiZ5iSRGX7LbURjipzCnqa0FARcsf1RsLsWnV3X5:eLrYLUir4+0FARbtRuHV3X5

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.oss_searchkc37
    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:4252
    • /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.oss_searchkc37/app_garden/lRhk.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.oss_searchkc37/app_garden/oat/x86/lRhk.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

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.oss_searchkc37/.global.com.oss_searchkc37
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.oss_searchkc37/app_garden/lRhk.json
    Filesize

    1004B

    MD5

    a7524c1be01bd4c24a0fd1b1d65ec61c

    SHA1

    fb0065c4c1cfb4c89b78fc700e016bd919166bef

    SHA256

    e147de389bbaab11231a66cc0c3e882b9495d59ea1f794a907f6688b4f0d4dc9

    SHA512

    933f20e43774d9655c88af47ff47e4b3b3e095c61b20a7d6afa554396eab4b67adb6e683d47441d40502cf9479e4beb53cc5f1aa92e8d93a82372e49f637c302

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  • /data/data/com.oss_searchkc37/app_garden/lRhk.json
    Filesize

    1004B

    MD5

    b060f0bde38441c3757d868126fc2dae

    SHA1

    494a04332759e21cbcd1a94b420399840d8ef7b6

    SHA256

    61e1de19d2756c858363acb989beb516b247829aad7756e600988a6f96dd601a

    SHA512

    cad521d44bc92ec79c52799e7d58876b65ea12415cc16fe677c23cd9aa5ffcc5032d62d572d6109b6aff43d3460dfb2053e90177f9679d35de2e3479d773ada0

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  • /data/data/com.oss_searchkc37/files/.i
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.oss_searchkc37/app_garden/lRhk.json
    Filesize

    1KB

    MD5

    6e5c70853273387037a2b673993ff058

    SHA1

    57baf17b14de077e738fee50cb1a3243d09836da

    SHA256

    b4301db12988a4408ef6322c4ce5380729a83b68a2a88601578260aa777c0827

    SHA512

    007fbbf0df7a11279e772d109d28255049dc57ab3c237520a3eeeb7525434641b0ba487c8d4c4cb32b4089830d90983936d8d07d2c42422f4cb303040d014fd7

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  • /data/user/0/com.oss_searchkc37/app_garden/lRhk.json
    Filesize

    1KB

    MD5

    ff1c36eea6fee3091c76334b0cb832fc

    SHA1

    b40050aa484bb2318382826b8c198765cca56976

    SHA256

    18982f1bf4452955a074052de60c70d984ce6a6e729dd718c7960fc36668393b

    SHA512

    64aac34578b7ddc6087cddcdd3e513996068ffc79a3556215e6d784b9641d7335facc834112489e4c2492f909516e89c7e7b7ae8b99bef606a5e0429065bdace

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  • Anonymous-DexFile@0xcf778000-0xcf7fb668
    Filesize

    525KB

    MD5

    aeb75f00e0077d468bae9207da771658

    SHA1

    24a4edb9058427eb81783da322e1671642661563

    SHA256

    7a6fd309d27b55aa7b0174f5f4d97a86f07a863525b139005d19388c9ee6ff0c

    SHA512

    c1d9c1d5ec12c51db8f5262492d41de4c7431e7638674fe3bc96a8f4aa2d61738477acb940c0d8ddeac110efd8499984412a68856dcc909cff6bcde6c6d08867

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