Overview

overview

10

Static

static

6

0d3fe9c144...2d.apk

android-9-x86

10

0d3fe9c144...2d.apk

android-10-x64

7

0d3fe9c144...2d.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    160s
  • 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
    12-09-2024 22:01

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General

  • Target

    0d3fe9c1444a0840c1a684423b1873457f68b6dcacf76f6b6dc854e135108b2d.apk

  • Size

    4.5MB

  • MD5

    b18412fd9f1abe5f0a2cf88d2f56aee7

  • SHA1

    8030421c1518aa9532bad548564b768e290b0073

  • SHA256

    0d3fe9c1444a0840c1a684423b1873457f68b6dcacf76f6b6dc854e135108b2d

  • SHA512

    03647b6056c544f582cd785758cc0bd3f971d181c2b92e5c6419b7e3b29e3680b1e2d76a0fcb6229be8e9e8cd653e035e8bcddea4934e945cfd8614cd6f2ca29

  • SSDEEP

    98304:ES7hN2p5pLUpJL5RJ8YO4oM/aFcFwFOsdeU9Wh7iyJ:576ept5MR4VaFcvoAhJJ

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 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
  • 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.ezdhhocxn.gywwjetyc
    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).
    • 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:4244
    • /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.ezdhhocxn.gywwjetyc/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ezdhhocxn.gywwjetyc/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4271

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

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 Information Discovery

2
T1426

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.ezdhhocxn.gywwjetyc/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    437d01e933fe11ffbb3083c3bfd2bcaa

    SHA1

    1b334d92fc41e3bd30b1a7f0b98ccc898f966bc9

    SHA256

    597706dcda950c940dcd6d82e2da01c514965a479c64037d7d1db64533626569

    SHA512

    df16530824092da0e13c01e21367d630c6b7b540127302e63cab9c50037ccaee2600503891e76770bfa8ec4d8456660a667c79cedd9bd079dbc598936316c427

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/cache/classes.dex
    Filesize

    1.0MB

    MD5

    b2ca6cecdde5e9e85ee1fd3ea896dc70

    SHA1

    e302c6e190c8b7de7018b810fbd4aa11c6fefd1d

    SHA256

    d47dad9d039b3512910137c1f258efd55bdf4c29b7ea39d10a58a0b40774e40f

    SHA512

    cff962b30190de2848a2687ff606c688df061f990b2bf4810bd51101cfad1eaf367e7216676870f7d3dbe6cd33f3035c73e99e4bbb6d014ed905364ca51f777a

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/cache/classes.zip
    Filesize

    1.0MB

    MD5

    993f28957f02fa52117d6e63e94086bb

    SHA1

    90ec43531bde0f6609caa70d5ed4b19fa990f3e3

    SHA256

    0567c7ad55448f3df3375bf3d4e99261f63b87566f6c202aedd01950befe00f3

    SHA512

    077f85863f78436b45d6ec2bbc26183e5aba0e673def601ab9a97e452f5ea38437ece743d4597f582c84b3d6dbfb282428a7329241e5e240e09015f11a264b65

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    9bd02e61cd8865b68e837d3d506fe1db

    SHA1

    e93a6a1c8f3921d51f7c219d99cfe1b0c5da4c3b

    SHA256

    36dd4ed4630df0ea699692ced2e327a59c1d4b22a1d4e8470f1f9f681ca366ac

    SHA512

    83e26b7087e9d2a01b117df6f4aad55b0e7655fc44081631c7392e759bc89e9d481525a3d13b53993b63fd468dd95fa2d440285d6b1aaa4d8b6841644a4bedc4

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    975f2d8f0cd86ccb0fe2edbf6b7c4fa6

    SHA1

    f2f703bbe711761f457bb30402de50d986737260

    SHA256

    66ee992a886a13f4f20b0d084e68d6a52db9ae13729d75be520df7d4f5fa6de7

    SHA512

    fe4e15c2e5163efede0301ef333bb5df302661707bb895bed7762c4afd3c5f2d4805ebd4af6448d953a75e4a92942653b00753dd9fc34ca35f86ee9fc64d20e7

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    7e2fd590c274505410c63a5aef935d3c

    SHA1

    d827171366390820e005c1af0ef3c6c5f8ac1bf1

    SHA256

    26f4cb4f5a83197e94526e250e1554b594608ea814f1c21546aadfa3816ca6f9

    SHA512

    878d5d96906c431a07b4488013ac7ffd8aef168b064455e2abe6db133852f5d827cc8b9544343ebfa14a82bc6c0f6bc9a2726e0bb79a907a3921c99a5ee76621

    Download Submit

  • /data/data/com.ezdhhocxn.gywwjetyc/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    c44140979ad7c642bd462068e34c233c

    SHA1

    d3752d004bc7e33978323d41ac3ff26421ea42d7

    SHA256

    15d872bd4048e698c68391e6829e9677e6ac21cc59109584aeb9b6510da53d08

    SHA512

    fada88a67cfa90ad44bff7b081138b278bda0727c621d3bbcedadb0cad9dcf9fa3ee4c102f6fd01f8a9786420703e3020082543c24115388f2b3ab6bd6395409

    Download Submit

  • /data/user/0/com.ezdhhocxn.gywwjetyc/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    b18c3595b8c55b24d6395b9715cc7cd3

    SHA1

    3efedd1d44582e1e6d2cc10a36f5a6b9355833e1

    SHA256

    432866f70d780c1a74ca5bea91a534ca779536a667505bfc5b59c7e233183f2c

    SHA512

    12e1d5d779551146da3662845f7d3f5fc37228bf79b2502e5a1a3feb8f00d01648f5dc5c1ddd92f3c8402c1e2609d54841a442c2a335f880e8fe1c3fb8c2f15b

    Download Submit