Overview

overview

10

Static

static

6

chrome.apk

android-9-x86

10

chrome.apk

android-10-x64

10

chrome.apk

android-11-x64

10

Analysis

  • max time kernel
    174s
  • max time network
    186s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    06-08-2024 13:08

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General

  • Target

    chrome.apk

  • Size

    4.2MB

  • MD5

    769bb3dc0e0193adba7d0133e877503e

  • SHA1

    88f8774ffb21c8a1eaa43c1177135884ef05f480

  • SHA256

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674

  • SHA512

    ef011077f49da14eddbef99089af91caf81dd5302c1ae54c820ae87726b8df50dece6bbadac2d053f09ba3f8b918955669550d6ce407a105d800a639e4887513

  • SSDEEP

    98304:mI/Jtgrndt42QTzEndzkX+NW4/e5mwI04KDKk93n:mI/JbzEdzp4Ae5nFDKuX

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://85.28.47.32

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • 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 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 5 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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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.tfzqlvjkh.awqzhedco
    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
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4642

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

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

System Information Discovery

2
T1426

System Network Configuration Discovery

2
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

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Downloads

  • /data/data/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    0b63ef48dcecdddc31ecbb43c0963e4e

    SHA1

    1b52828068bf5db80fdf53228005632398644504

    SHA256

    c08a049540a35306b4108b78201eb77b1b47f0c51f7bbb602365f6827dbe2538

    SHA512

    82ba3df2c47f0205a3c1f6910cfe669a283b036d5a003518c6a98c873ded230cda188905b6be47638548d71108eb0132088c8d9c46a15020c8b6d052aac0ab9f

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    7f985c13d3ddaf310c2219b9609e01e3

    SHA1

    65db3a5d273978f1b60a0f7df20f3f8351f4cb04

    SHA256

    cb4821b36ea36c62469d4e2b598115f0b82e417e04763d6696596218be364f1d

    SHA512

    fcbc074059580aac42f06e383af8dc1dd1fab75539a00603b1cb1ee0c7a024a6a824aad2233cbbb4bedd19355a1db44e6cb5ff2d2f7ae5e2233aa115bad39de1

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2b64c884b45bb9258e1ab1ddad904eb8

    SHA1

    1b229f500c89e03f04da04a4444c9e2353d9d9a2

    SHA256

    d1b15d76d3178282c48e2584a1b7260dba398c6e9e50fe7724ebcb53efc4fb2b

    SHA512

    ede811ca1384ca1eea9fdef583c2022e95cfedfa8a883c7e532dc555b11529a1f637f46cf308b042752bbd619ed93032a32614a4dbd06e91ee44f90277e04ffd

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    da04ee0fe180f206c2d39773b3df4f6f

    SHA1

    7a7572a2753bec464ba9181f1ec04b5489959075

    SHA256

    9c0a2468ffefe787b13c2313678feb2ec6da6b2b8a172267209c010285d83c13

    SHA512

    477750b1149805f8d5dfbefec34d6d7024115acf3de357bc08ea6f996ed30b6334a593b6bd9d322608c7639e67d5f0688326bc96ab79923c7150b78f9e8d33b0

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    0d3884514a18c1179c4abb5765649cc5

    SHA1

    792c301531e256f4846c8996f047f22c7ef307dc

    SHA256

    72098fd79302d4605da40456ee07452dc0c11d93e1a14c417ee45355ed92996a

    SHA512

    d33ccd4af3d01a9dfc4cd09fee5ba1712b8a142c198e98c1125d59594fff438ca3262dedcb5daa6dad9c5820cb0f362228813ee209f5699766471b0b25c91136

    Download Submit