Overview

overview

10

Static

static

6

4dbbdd9d7b...83.apk

android-9-x86

10

4dbbdd9d7b...83.apk

android-10-x64

10

4dbbdd9d7b...83.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    19-01-2025 22:07

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General

  • Target

    4dbbdd9d7bd571da76c225d2038bee65a390f4bb6954f6bc1f73733ac4a7c183.apk

  • Size

    4.9MB

  • MD5

    cc785ad1712c11c235c733aa68268b20

  • SHA1

    9a2bbc4ed6df4f1ca06a9e3349afb280270a64f7

  • SHA256

    4dbbdd9d7bd571da76c225d2038bee65a390f4bb6954f6bc1f73733ac4a7c183

  • SHA512

    f9c3704e22658f1610795de501d03332acaf28b87ef43b9927b67ffacb942c911ff8182ab389d6324762e0165d190d879d1e6bf5a4d31a57dbc4e62df1a6e8dd

  • SSDEEP

    98304:FrfB4DvmW6Qan0U1k4fS0XddGbZbFkxGr2yS1jGvU16nPH4xRmldeeIvN:dGvmpBn0eDfBtdGlbFkkax12PH4xRmle

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.69

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 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.tstimtsbu.ymkbnwzwz
    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:4763

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

Loading Replay Monitor...

Downloads

  • /data/data/com.tstimtsbu.ymkbnwzwz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    80f47c4b9c3d93ffc28f976a5436c54f

    SHA1

    c30196370434909e42f13da01fc07cc282848a91

    SHA256

    a1f61e5fbe9a335eae7161ceb22d8a5a665cc07157c438b4880a0e7be1eac6ee

    SHA512

    0366164aa8613d78e7c68d2489a7ea31d81c7ba8f0146edbc6da6ab7604341910ceac89b1a061a67e1036e2c22123679aa2f115e5659689c4308145015434fb1

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/cache/classes.dex
    Filesize

    1.0MB

    MD5

    0c85a9d2c666968cb40b693065e8cd64

    SHA1

    03c044b3e85028fb42dfa99d83aa83f7bd2115f9

    SHA256

    14fd89367e2608f5dcc550195866696d5e5984bad72745517988c7a9c04a0b24

    SHA512

    f7682a419d268a8135719e573b6fbf64a223edd75c3c3233c12791a015c4bca842c7f2938006d5115c49e392c8cb189589acbc3312d7df526742a5cd580c035d

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/cache/classes.zip
    Filesize

    1.0MB

    MD5

    9f1379113d1f0a3ba786bf88a6e5582c

    SHA1

    acbba06ee7f56fe4acfc064fe4c5f802b1136a76

    SHA256

    2f18994a79176a822aceece2bfa7442206a064d719760b92ceb538d5f12a3c4e

    SHA512

    47c224a21c510b131602984818920324ada3f8f95c5d1f84e87e3711066cb30decc54f5644d372548f8879464452496a4ec2eefdca65dbb3a737706b1fcde438

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    d7d6b047eead0d20777bcc1ad5ed5fc7

    SHA1

    da0bdf91c6f2bc4f0176cf3a64d7874614f884b9

    SHA256

    5825b8b7b26bf9e3065fa009ffdd74204bd303754ab6c23c2e8a7d8de66e9ed3

    SHA512

    2ca4078567f0005bb0116277c17e00fe05e0e798b64ec7d74275644e0467aee5713abebc90655572035546f4d2a9fe41f6a36c4e08e7ee0672e85e23b9863c81

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    9f93f1ee71a14d70f13c7ed243c9ad85

    SHA1

    51f8ef4c9f9ff1c3dcb977825f9641d16f17dc72

    SHA256

    e7832a621c58e71b05a449c1808cc5cf6358f27d58ddbf8679e3ab930b632ab0

    SHA512

    4718215ae4a50b40a985b63d4ab5c18015c33c7e9247d7b3a232d74baf5d541bc974cac8c3f9f790b0e0c8d02492ba0d91b103e89d90f0255efa3152579b76d9

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    8d42420601821d3a238eda87ba7fe410

    SHA1

    52d08e4dde0b407f3e154dc74619a715546278df

    SHA256

    74b2d9a4c5aed8d862e98e61f5d239eb40adf1038c373b60e1139b9f89858360

    SHA512

    dfac6c62030cdc340ac90165321931e55eeffe5ee7a443fde0977473457c07a5cef91bf97a8a54e4c5ae913dc088e101a508ed89d0d7ce9397f0464271be7969

    Download Submit

  • /data/data/com.tstimtsbu.ymkbnwzwz/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    e406bf6287b3842b8deb962f65e236e0

    SHA1

    61dc05f578f48000541745de1142648c2134f6b9

    SHA256

    982f623e6b144d5d703cddcc2e8c360081e97d36abf270354022de402e623e85

    SHA512

    97352e28b5cae8014a48d99b2681dfd131d329b281293029c0b9006be421361f3b36e9a25c1d21264945f149bb58dedf62033e4b68a6a785221690842bea373d

    Download Submit