Overview

overview

10

Static

static

6

9b.apk

android-9-x86

10

9b.apk

android-10-x64

10

9b.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    130s
  • 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
    17-01-2025 10:31

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General

  • Target

    9b.apk

  • Size

    4.8MB

  • MD5

    cb76a1cb8638b031c09b02e0d2ee5cbd

  • SHA1

    f078c0c66855873e0fc59f8e89d403da3716b9b7

  • SHA256

    9ba6ece1a921ccf5dd5a13e4fcbf4fa64601d3503a5995ea30f6826eff94afa1

  • SHA512

    34c03f43ebf9c48010dac33ddbeebb90d0bc5747effa26c09c35c8ccc677707e2c0944e12256643f1bd4131f57bb5cc4e4d065fc8bbab8bc1193a3b1c416a28a

  • SSDEEP

    98304:8CRhf2qLFNAHnIB4mugoHMCqHxyOjDOaEVq8sbSh+kdw1ec:8CRx13cO4BgGWxj5EVAbA+k2

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://lankfnajasdfzcvvxzxcrrtfas.pro; http://lankfnajasdfasdfcxcescgt.pro; http://lankfnajasdfdsfngaaslsss.pro; http://lankfnajasdfanbabwqeda.pro; http://lankfnajasdfasnbadsfaaa.pro

http://lankfnajasdfzcvvxzxcrrtfas.pro

http://lankfnajasdfasdfcxcescgt.pro

http://lankfnajasdfdsfngaaslsss.pro

http://lankfnajasdfanbabwqeda.pro

http://lankfnajasdfasnbadsfaaa.pro
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 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 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.xcytrjoux.cqhfynogu
    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:4251
    • /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.xcytrjoux.cqhfynogu/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xcytrjoux.cqhfynogu/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

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

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.xcytrjoux.cqhfynogu/app_dex/classes.dex
    Filesize

    2.1MB

    MD5

    84b387337b8cda1155bb0e93c5c66bc9

    SHA1

    2f72795daafceaa3b4c7e0c561a532e05d20ccc7

    SHA256

    38632b27b7341f780c5d88df35169d0ccb835431344e8e999af927f7a3b4a760

    SHA512

    3668c0865980ff7f2f5016cb3bb438f0798913c9d7cb205210f569c2eb01c9d14af24d2b2df4c8f339dfd78f0d74ac154fe32ac2a23c7fbfbb16143301592e0c

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/cache/classes.dex
    Filesize

    986KB

    MD5

    0a75feeea36223e94d9eea47a11c5fed

    SHA1

    9dac66821d2859397968e08e1c83a43e18d75070

    SHA256

    bcc85a8f354ba0215050a72eea36080d6551470d26ebd4e6eedccb44821035a3

    SHA512

    50774cb7a9f31a8dc9549dbe5822c809b5b55ce04522dd208a7a302df1c39d9eba942107cf2d0a3e55143efc6f3a1f97b6e49cd1a14b37ae55bde4c735fc9e92

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/cache/classes.zip
    Filesize

    987KB

    MD5

    42bc93ca169c1118369fcbe933635075

    SHA1

    85ffea0ff8143039ca2f5644efb78b210255718b

    SHA256

    0dca412f79a9b50bf05d1aae1efe5bb7958a1e9ab2559bf3f04774499dbb951b

    SHA512

    a337ed0876b60944c2b93816823f1536ebe3c8c25ee031f303724d3e91d28f78ad20187a5fd85573ff07fed4bbce540890e53fad1444cd834ddffc49667db915

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    c4cb4cdf011ac68cf8680e3108faa48e

    SHA1

    325d545ad4417beb73b91c3cf5b06b6c01862988

    SHA256

    8c3fe424bcacf69244e7f3ba1fd19b5711ca7ed89ae07eca943517b4a9766327

    SHA512

    a53f322d1c7fbe636af063961a17eb317abc3542e1f9ebc0bf3c45b89fe959ca5320d7df7607491a32a1442e33204fc004d8ed0fc1f5f4ab5c1a1c8c9ebdbac3

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    113ec877663382278ef30f5f7d07491b

    SHA1

    d788387653bb98cce376a47ac68f43b06ecd2044

    SHA256

    71e95998c111cc10f7b780dcfcc0f198ea621d6f47d2e8ffbfec874fabcbc292

    SHA512

    10fea3f674b55b64b2bcc9cf482776bb81aee3c64dc5e5ea292a1ea48d0a3aefbc878f448cc439e497c874f0f3f682d965d5dbf0f44feee2ede500c085c5103b

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    04971528d754e3f61c56c74442abe29d

    SHA1

    37b2679e0dcdaa3fe7282737753d295584361a5f

    SHA256

    a775283d48c5864523355628c9953e224b3b19cba39e267227e0a274f361a7ac

    SHA512

    69876031125ba92e496c08c2241302d2569022910a4c0fb0f2e3956c3780a46211757f6b4aa8aa2a99a2775c6ed41bd018a3519bdc130861d7ffbec7c9143308

    Download Submit

  • /data/data/com.xcytrjoux.cqhfynogu/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2a439bf839823e9c5c7edadb4e4af739

    SHA1

    d633d1c0ffe1e9349ac2306e1b270de94b82bea3

    SHA256

    3e487fc3f0485f438d3b0467ca4fc3bb001563784bedbff832e12aa98d2b477a

    SHA512

    678637a31b3645422251052ffb5b659c82eb3897cb5cf803dcc3c99d0f1ea6d596869c3423898318c48fe24efa615963ed4d5332dea8d8219ce6a1648b9a2ec1

    Download Submit

  • /data/user/0/com.xcytrjoux.cqhfynogu/app_dex/classes.dex
    Filesize

    2.1MB

    MD5

    e91a8d3cbcf275153144a8bcd1b57551

    SHA1

    e3a53921e1e5288d4c18bd02cdf610ae41b4c709

    SHA256

    53474b35ed827bee89335c7f52dccbc1888c475437fb13221655905784694926

    SHA512

    a8c3cf5ee8723961e045e532e9a949d993ffedabac3b7a6b4bb13559761e4140eacf504c6792cda4a9ab44b3580868dfa81eb6558a207579f3aa5b236aa6bd7d

    Download Submit