Overview

overview

10

Static

static

6

6476fe7cb2...e6.apk

android-9-x86

10

6476fe7cb2...e6.apk

android-10-x64

10

6476fe7cb2...e6.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    11-09-2024 22:11

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General

  • Target

    6476fe7cb22426b23c64977ae5149d1dd59c0d3406466c66a811a88ff1d12ae6.apk

  • Size

    4.5MB

  • MD5

    5ef52fa48adecaae0bab118a45701453

  • SHA1

    7a4530d7ddbb170f5165668420c21ac7c64a011e

  • SHA256

    6476fe7cb22426b23c64977ae5149d1dd59c0d3406466c66a811a88ff1d12ae6

  • SHA512

    dbbf2a0721b7ae14d9127d104453fc00262ca3102dd507a29030e1658abe53e22cab7bd406368f46e12822a8bb8f417a2bd316f80b221643743b2abb93ea567c

  • SSDEEP

    98304:DXWKqA/XROZCWPYiVXadWgdXSX4kDcWCa2lpYDKjH0uSNVXjgSnhzWBq:7pDROMWPpX4WmXSXVYWCakYmjH0Xjgwd

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://89.248.201.41

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 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
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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

Processes

  • com.wddymskjl.dbwhvrunk
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • 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)
    PID:4246
    • /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.wddymskjl.dbwhvrunk/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wddymskjl.dbwhvrunk/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4278

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

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

Access Notifications

1
T1517

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 Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

Access Notifications

1
T1517

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.wddymskjl.dbwhvrunk/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    2296cdf6863cf4fe93bd5aec48e30b74

    SHA1

    ada2f4e8f7293f24a85ef702c987e4af5da80303

    SHA256

    b46a25d024fbcecacaedf8a657c01cb2227c9816f2372e149c087e68894a4eb8

    SHA512

    1d95a9fe05970c2513cc01007e615d803369bcf0b1def07799918aafeaaf4d82bc7aac303a680edf6f97b06d7ea4f84a81e1c5538e43abd5b10bf5a70880dbea

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/cache/classes.dex
    Filesize

    1.0MB

    MD5

    004428be0c30d67113b6004ffdcae57c

    SHA1

    1e378cd7e5b45f88b5fab71fb90d5ae0dc0f708d

    SHA256

    2eff51d8c54a95a11a4c0a89330a3192dca1243fa0180ef7f68346e96f226901

    SHA512

    d27bdb4bf23c80c0b9da4f075f000257fd4dafa8b37bb7fb85c91fa4e489f74349f4a1c0a496b3048c02d2ac9ce4ca05453d51b2bc3804cefcf37322e820ff90

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/cache/classes.zip
    Filesize

    1.0MB

    MD5

    31250836a4bf9f40511c10f5afb06333

    SHA1

    2d0551fbfb22a273069e53528dd47abf14575095

    SHA256

    e05247508d6d4777a8d32fc80d822fcd6f4f7982ad646608393f11924dc730e5

    SHA512

    543ffcdc9be8f4320e9d9038cc2fd4846dc49e1ba4b5d4a982b9f7b0776d537bf1512e418c5f17d016f2daed43f65f531297a50810daadcb7eb7f51874f7929f

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    208b095156319bc0edc5fb486c21178c

    SHA1

    08507383a75b55fcd2bb983886542623d8a345ec

    SHA256

    769651aac4289bfc567ea16f4c53ae822332aa3446b78154083807018ca687c1

    SHA512

    66a6801dd17ca5f6d2fab2b405ef2de18de43f1a9a3cc5bebad9e78ba13aa8140a7b009ebe309213d3db2b023217ca428ae79fb5dbb5969e3f3e9f4334e002ef

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    1d92ca40644d9f19532fdff82da65c9a

    SHA1

    81d4bb10c7f61db191e263038c2bb388ae4539e8

    SHA256

    b966a72a3cdb1ea34b111298ca386a545cdb780ac9b8509aca7f170d857e60f6

    SHA512

    a6370bee952cbad462e00a0e6e69cbb5bf324c9e233fd262c2776c425451ee505dbe0c8bd46aad1808b6e64ee4db9e3158bb0b8e2c091b2009810cd59572e12a

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    88faa04cd918423ce7ea8b8449436071

    SHA1

    0255823684a657d43752cba2800a134c1893d764

    SHA256

    72f2eb064bb3e56a8fed3f1ca4c7806f180878ec56036afcac554ec04d6b241e

    SHA512

    da03db560d924341ed519acc900167880db2d59702c994eb36768cf3f0d1559588384252fc1d077ea2d63076c42077b5ea0aa176ab14828416a764a8eb5b9d6c

    Download Submit

  • /data/data/com.wddymskjl.dbwhvrunk/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2e6a411a2f9d562aef7335a605fb8946

    SHA1

    573d927cbb44ed88db355f0379851f2921758f2c

    SHA256

    1bc04defbc8c082f6e84da724f628a4932f683ece0ca53384657607e15dde2b3

    SHA512

    cb63380e96147ef3ec230ca625c7eaa6da8f88ff3c884be891cc077ecc7ef824bfdcc31db7e9b388b38c3d02d7532acb74517cd9d592f8d60deff5320e25e655

    Download Submit

  • /data/user/0/com.wddymskjl.dbwhvrunk/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7b371e6d98313b9bcc65062ee1e3318a

    SHA1

    8887a50b45d871390d5e0df7c01b985e4e56798a

    SHA256

    3e125ba3cab01d63efe86ddf4bf9a5dedb3b46c3721a857bf3a07afc1b3e0e5e

    SHA512

    fa8e523f60c8bfacab5db9337a1481fa2401f8141dee3177028dfddf903aee238c440b62baa06c69ce60b78d1d1c98162e4261cddcbb5a7ff75391a9c6eb9724

    Download Submit