Overview

overview

10

Static

static

6

efaa783aff...58.apk

android-9-x86

10

efaa783aff...58.apk

android-10-x64

10

efaa783aff...58.apk

android-11-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    160s
  • 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
    18-11-2024 22:01

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General

  • Target

    efaa783aff130574b84ce63fc957a4ea9e864e0f33ee34b4744d79b1f6357c58.apk

  • Size

    4.5MB

  • MD5

    aa53b28be9e566f884e87a04ede57660

  • SHA1

    a2027d1a6b82123921bdab400943f64a6f219cbb

  • SHA256

    efaa783aff130574b84ce63fc957a4ea9e864e0f33ee34b4744d79b1f6357c58

  • SHA512

    360a6ff617e023ec0a15a5f47ab8fa355b48b86197bcc40bb54d85d31e026e2bb94240febeec5d9d910dbb76a339147ee357e9c454bca3fe663c645ca85b12e4

  • SSDEEP

    98304:gtYFrfo7Lws5lCR7vQfs9EgxKrCSMsk03i73dSXnS7r50l:Ge2rjCR7aWHorCiTS73dSXGlw

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://94.141.120.34

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 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    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.bwyzxczbc.fklllrozr
    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)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4458

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

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

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Downloads

  • /data/data/com.bwyzxczbc.fklllrozr/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1ce544f7a868e0043fd566a325e65e50

    SHA1

    87cfc5af95b76bd58f125dfad0a96ae370e01353

    SHA256

    25543679f034652a28b0862c2febac2c902a340ddb73ade4ca0f8faff732860d

    SHA512

    650c3d3720ab63055ea4febfb4794bef3ff3cba4cb07fab109d09e07fa75ac09b0e8a068d75688ec38b02d3b16bfaf3eef907a586bfb21551f1a625db706f8a3

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/cache/classes.dex
    Filesize

    1.0MB

    MD5

    bcd7cc1d8689b77de9ade55a195ea68c

    SHA1

    84e48cf2655ef264a87454d2e943aecdcf662706

    SHA256

    17ed50bf44f76c8a47b2d5568ce6a8d2336158184d2f985f07306da08711b276

    SHA512

    c428a1a8e81ee5b6463758df2c5454c7c3b7a9cc20db581846f97848dfb41a4aad5765f91a46071451d8e39f87528f07ad366ae104d78e24654760b3500cef61

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/cache/classes.zip
    Filesize

    1.0MB

    MD5

    f6ab39021e83143def92a538661a7470

    SHA1

    cdf141765f6ee6535255834a4510d5d61d8d19e2

    SHA256

    76cdc05af1d17825c2628e27a9d01feb7b1a7639d08aa481223a09500c015310

    SHA512

    e1fd6d60f3e45dd429e13df87533014d6ebc9b7d418ee83fc6dac49cebaa73011a9552e36e90f5d8d595e01d9a2cf6b1d73482214e3b702a947980721ecfe251

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    0116e3edd72863eba88c919aa11185e2

    SHA1

    20489cb55261dac97b3aa8ab0c26c174799d6507

    SHA256

    eb9c7af4aa4ad04ef133c2c392b30103dc2d9c7b15903abb4986592ea18c31e8

    SHA512

    05f4751ee9c8653f49f725c22199b03ffa7057b6b479ae14d0cef8a0b821ffb718e9954b5bfe464c82f154fbc4c154e5de412b61b0f1178e25d93f770eb4ae67

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    12690998fcd2cc2509454a20bbccbc52

    SHA1

    59b9cb2042d74205bec267693fc810089e69c9e3

    SHA256

    5b7ad1cbba9960e1ff32e4fef7468d3c605aa9381d2c54bb6a4b14c807882ce6

    SHA512

    bad7fc4e97bdc1129b404523825574873b0e57784f61a1701ab3af4137d2c66288077d6d9f2abca4031813f3f35219e331801b1d593651ff561d1ddb3b2c259a

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    24baeb1be1b4d99395728d674e332515

    SHA1

    e4ce16b37f2b51856c0a89fd8d0526b7eec2f15b

    SHA256

    d9d0b0b2730e870089b36f17c2a6c6505bcb378d7149798fa6b2e665999dd6fd

    SHA512

    50e313d3fa34ef07a99258692ed40e6a5d5275531a34f467a6a31630e9eefe81a7e50478caab2c41f1340af246853e20d3d4b8c83570b12a8ba2a7d4da00d1dc

    Download Submit

  • /data/data/com.bwyzxczbc.fklllrozr/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    622f59022e6903ceb5b7a73fb81cfd2d

    SHA1

    f2a01cf2d07f25a2e4e3d59dcc659c9b0a8e0924

    SHA256

    25488d12bfaac1ad07a57b83cbe846a22dc6e16efcb399636634315a748880d8

    SHA512

    2773d7973eaf10aaf1a9b205ab7cf95323f06d0d4d1bcfe8db24db6ed297cc619694fcb5d6880ef06edc6c181d2ba0eda166dc735c165e20f864bacfbe1d05ac

    Download Submit