Overview

overview

10

Static

static

6

d8723fca41...d9.apk

android-9-x86

d8723fca41...d9.apk

android-10-x64

10

d8723fca41...d9.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    04-12-2024 22:12

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9.apk

  • Size

    4.6MB

  • MD5

    ae30b2eb0d439fe48461102dc986cf4e

  • SHA1

    3061a2bae5aa158adacc19559f9368a79907fe6c

  • SHA256

    d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9

  • SHA512

    51daff41234fb3d92b9caea2697f66c8a64b37afa3a1f1d3b885e3593fc3bba8f4fa0426db4fa51ff86f354192c6e5ae371eb83d9539b14459f2430bc63f6a6b

  • SSDEEP

    98304:r9xqoY/NDAoGJt0L97oJMAGvUfV2BujvXUJt7/2y0MoIlicA:TqZ/Ncrs9qMA4UtRbkDl0MxlZA

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://92.255.57.103

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    collectioncredential_accessimpact
  • 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 information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

    discovery
  • 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
  • Performs UI accessibility actions on behalf of the user 1 TTPs 8 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

    discovery
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

    executionpersistence
  • 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.rrnynabnv.cgofowmor
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:5165

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Scheduled Task/Job

1
T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Process Discovery

1
T1424

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

Clipboard Data

1
T1414

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

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.rrnynabnv.cgofowmor/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    4111c550f121390f5437cf2f52860dde

    SHA1

    f125212b3b9abd032d42a065c54d8fa9d7b5b243

    SHA256

    63e5086013899fe9bd9b6b5f15d61df10668152bf3da7e322cfcc37538bc1cf5

    SHA512

    2808c1d0157455b3e8ab3d1ed1a140da0b5ed31cd41d2c7718c70477110f4615298ea09f7a177e01eec75266267a73a05a19434b1b4f4b9065b86bf8bbfbc9f8

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/cache/classes.dex
    Filesize

    1.0MB

    MD5

    03d0772a882c474e2a3bc1e80687651c

    SHA1

    1f34d128231a088eb93a88e58e97a820770508ab

    SHA256

    a0f97a4def683991ca2ae10975b262ea71870a2e620d004b6bfac91f14e28625

    SHA512

    71259da7353ac0e3b9021465b34417b46334af850b2efb19ef22b4d7b7f679f0265f72313b9e581d060f894231e54bd0026844193ea9fd47d6207d11d144140e

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/cache/classes.zip
    Filesize

    1.0MB

    MD5

    0d832f56410f3d98d2ba8c3313eef752

    SHA1

    b104fa6d3062a1506830cc60b55f95fe1e4dfe88

    SHA256

    338d8cfb42a9fef683e651276e68628440598bbe6e313b82210d946c47e2a0d3

    SHA512

    c6769859e4096b76b146a3929be3755eea970d86b34dace054ac14385d74090c215067b6f8ab7c11346a5c5c1a459c8d55c30789d1bceb7a49bfe1598e1e9fa6

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    03228d89343a2330d9eeb993dd8b8b11

    SHA1

    d5a5b6fc2a41ff9219e3fb471cfa51f4907395fb

    SHA256

    c46bb1a25824f68134e715e406a8edf29421bebd2bcfcdae010505ff6463e95d

    SHA512

    026d3504463d6364f057c9defd28dd7b8dc108956dca23fcb72fd091ce9b810041d0b661517e482d93ce7a8c7e15dcc3ef29344ede48ebc78ce1bad2c6a1cd23

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    165b313089cde60de9a2b074a547df81

    SHA1

    5a12fa935f894247bb27a21fb9f41b6d7b35ed42

    SHA256

    82142d54200809a1dd2fe344c20d7685f267298ded498dd937c75b72d9a3ff07

    SHA512

    5fafc33b7dfb6060edaea82094f6590e04078e8cb48ca4133b6518be485a648d03a95699205bdd2fca7a4fa45a20e4ebd856a355354878b256119e627a1e294a

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    8777a6d9d41f09916a919bd4c0cfb764

    SHA1

    5349e70d982dcde11594597aa001440df4252efd

    SHA256

    f89f3586caf197268621ae58035903533b3e70b1d97efe4e8bcdcc18a9b27a14

    SHA512

    10705ca1bb2603f158cff09938a64bd6fe8c20b2cde5553154d01ad52ffa53ebb007bfdc262aa689e4a4d3a31dfe3185332555b5ad2c8b9079d099277be9b08c

    Download Submit

  • /data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    39350a240c915f7c47365522b61ea983

    SHA1

    4b6f236ac1cd8f133b66ee08de6a5b6d901111e5

    SHA256

    dd357583224bda893518f087c7d8452a569ce14188d396ef4504bebbdfec55d7

    SHA512

    5400bd8a0d0d1e969c8ac12d878f1b5c1da36bb638b99b95121d9cf7b89388a5bd8608589eac4cfc7a115e117fa21e98bf01630c212e4db1bb7ecb196921b586

    Download Submit