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Overview

overview

10

Static

static

6

e012d239d5...a0.apk

android-9-x86

10

e012d239d5...a0.apk

android-10-x64

10

e012d239d5...a0.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    07/09/2024, 22:05

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General

  • Target

    e012d239d54312fab54c679208e0a9f8c9ffac061b5f740febc6b0589b299ca0.apk

  • Size

    4.4MB

  • MD5

    411e5bb9c35797745c00f2e2345bafec

  • SHA1

    bce6ad2b1e2d72fca89fb46921ae9e3b400bd3f4

  • SHA256

    e012d239d54312fab54c679208e0a9f8c9ffac061b5f740febc6b0589b299ca0

  • SHA512

    acabc36e543695075ad300801d1eae6d13d156dc5febaa2a35d6238ff629ec794215d7335bd01ecf2c887400b0815ce191a557459811badd17aad89914bd2e3b

  • SSDEEP

    98304:Wg2IPacQMawnAh6SDSztmZT5C7u9MqFq3gPUrkqXm6srR3faKAkSGc/STDm:TPyMawvdRmbCaJerkqudLSZCK

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://80.64.30.123

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • 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 3 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 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
  • 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.karqksqxc.mebijyvnp
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • 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:4326
    • /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.karqksqxc.mebijyvnp/app_dex/classes.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.karqksqxc.mebijyvnp/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4352

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

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

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.karqksqxc.mebijyvnp/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1b6b1944b8c450ffb96fcbadc6efadc6

    SHA1

    1d67379a4bf1e300232aefd4588ed795e8f78402

    SHA256

    82f374e607fb904616863fa5ce54182b0a13bbfd746066b6ab96982eef5851ba

    SHA512

    df765df9e5ae27a4570c4e17697cc600dd2e2f726fb2968676898b8df02b01b7a5faaad1a3f05e569da0b6ef8973738bc414910282822434173cb54bd50fe83b

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/cache/classes.dex
    Filesize

    1.0MB

    MD5

    51cc540e5296ecdd02af0c1fa0b9077d

    SHA1

    109b85537b514cd2f7b8fdaa42525eb06c915209

    SHA256

    dfbc1fe906fd3827c61fdb27232c27523d75f0c0e8dc3785b90e3b2ad942de94

    SHA512

    4214020cb7352fed8b513827ed334141c23f573bfdedf2ac6cb2b255af25be0a01f53eb24bf1b129b357debb5d07c0f085b972e08207df82ceba97cae165d80a

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/cache/classes.zip
    Filesize

    1.0MB

    MD5

    3b8755a2d210a390f2f56764c397bbd2

    SHA1

    e861d037f6711152e78fd70d23b9a80af636d5f0

    SHA256

    a3cecb595339d876e4c323ccdc075a80f8483d3407b1d445235873af32f5656f

    SHA512

    c9d7196a748f9b4d1d30ae5e0e254df9284f4f6ed6e7e18df56b345571b4ac89c8c617aebe4c266c62616cc5819675341b671c0af3b0455876e66db724ecc9ea

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    960ac1769e582fb670cb7526e70896e8

    SHA1

    00785891d17fab09077bf090e61991688150e1ec

    SHA256

    d77af9b6fb4fb27457086ff451e103fd4bd8e140e4cd44f22ea8d6f91cfad4ba

    SHA512

    5c0e17aaf134114fe8fcfb06584845830fa68cd856891b7fcc49225538f138dac7467f95cb03c69be4e5ebd758b75636a1e6163b26ad96b760b5625d59d6e08d

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    49b124d2dae52dd5b4f5a965f50f5343

    SHA1

    b5773ac918f9fa5b9ca41dc482eb6c57e2f9dbe4

    SHA256

    594262971c6bdf81fc98287fc23aec8aaf2107db12872ea0bca12a4ba8c06df3

    SHA512

    47068d2513ecfeaa1cd3bb6bc657b3c3dc507170c0d0e57d81ce3232697ce4e9e781b8caa4854f6e534528af2d541a5b80d62dfb5992c96c0d1fdf990499e737

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    131f5441e4e267ca03db97f469474b3d

    SHA1

    3fa84a839cdb24e9a93aef6366a2202dd69fd0c2

    SHA256

    8c8a3412d4ab92ef03b4762e59798db2a7ff318606f8393c5cd36473d04be996

    SHA512

    86f22db258b12796199aeee342549ba7a120d09debc589bc09e0b5673df8e1988368bb7fab0cef1019f95564253e3da43f22ecb7ce9202997b278589e273bee5

    Download Submit

  • /data/data/com.karqksqxc.mebijyvnp/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    5caf26cfb28d334b2c0991d8d0699dc9

    SHA1

    821a10fa850c962e6284e0d84b473268c1a2b179

    SHA256

    b28e7f22a8b0d6bc8238f28f6b3e1e28d35e249e7923053e5e8070b4df75edee

    SHA512

    0a8cc1317a0b97d81d45395067a770c8f9100bddb8d5a5d9089991992bdc558bf9f9bde6affe961de4cc6e4abec3d458c478de03c24ab2ecd0f0ef268723d61e

    Download Submit

  • /data/user/0/com.karqksqxc.mebijyvnp/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    32376c2400cea47dbb28283831c98a5e

    SHA1

    fdf378436567d157f6b629a2d1792ceb8b20982b

    SHA256

    c75c4787ec3f4c52b4c4b07bed241f3f2b4e2169a1f96746c6568c0f1614f69b

    SHA512

    54ce9cacb29959c10041c770d05a71855d06b59de78aea94c763e5059ba57fd3db784a6446fe669bf2ceb117bfeec45e34d1d794980dadfdfdcdbcd54bb174c5

    Download Submit