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Overview

overview

10

Static

static

6

db5b4cd20d...e8.apk

android-9-x86

10

db5b4cd20d...e8.apk

android-10-x64

10

db5b4cd20d...e8.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • 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
    11/02/2025, 22:01

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General

  • Target

    db5b4cd20de802f94b517e1bd2415a1e3861da18bb4ac3f8cbb0c5b1de941ee8.apk

  • Size

    4.8MB

  • MD5

    e9c75850d158e2d5243b648e2304bfdc

  • SHA1

    4f880063973b6e37a64884906afa51f58d9cd65b

  • SHA256

    db5b4cd20de802f94b517e1bd2415a1e3861da18bb4ac3f8cbb0c5b1de941ee8

  • SHA512

    1bea9a2fd5f6b1aaee150298f343f925e63071b5f6b42f2694b02fde0852153f931deb69739dc1248669ea0dcc5ce2980e379800f818ece86d7d28b30e090086

  • SSDEEP

    98304:k417LCteYAqyEuAK4DaQeE6ezPzqYK8E1GBcRJkLsu1CZZm3l0Rhh:kOXCteYAnEuN4DaQeSzGjP57kLsu1wms

Score
10/10
hookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://176.65.134.87

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.

    collectiondefense_evasioncredential_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.

    defense_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
  • 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.gjyygawzm.xabhvqepy
    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:4253
    • /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.gjyygawzm.xabhvqepy/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.gjyygawzm.xabhvqepy/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

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.gjyygawzm.xabhvqepy/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7efd40e87c31e2e268093d8012ff7a54

    SHA1

    bb0d8d2ea637bb07b8f6872d5c90f943b436d1f1

    SHA256

    186e38ea974376261d2adb6b6709977bac4c1013fce95cff9e219a2945843f5d

    SHA512

    fa4b546c4a423c686dfb15ff78375d7c40b66e8982fe7a21db1e7b276981657b4b11d4e0d5ae9922c9748c4a988f78908534ec472f77e9bb29264e55fd756fb1

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/cache/classes.dex
    Filesize

    1.0MB

    MD5

    b97f3438711604dd7f06062d0150bbd8

    SHA1

    da94619c13a24f7b7835e4ac46a28a19943e1e02

    SHA256

    70c7ceb70fdd78961c51d6630f12539f130eba1c175da9bfe798a7508766a49a

    SHA512

    74dcd3db9196825b5a79d2b3c222cf9f44b34f10f6b302a5e7f15ce53561af5d1b4ce3b0bff1b6ca9001eb2557e36b60ed001ae4329698961e89e77a06de70c6

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/cache/classes.zip
    Filesize

    1.0MB

    MD5

    bf114be787f84d46fdf4f73c6961e56b

    SHA1

    a625955843e72b8366abdfb0ffd9b1dc154cb15d

    SHA256

    78a75ea1c09536ac86182d79f2c1bd4017e3f276ba8368c1bc632540eabbdef7

    SHA512

    925b81b71a8f459337f4f42ca5401c152d7c2021a5c2bb98163bb3b6831807fc7a9e87edd271f1b814e98b2ddcf4cfc6402743ff1b1b147b09d391510c92056a

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    c8d16abecadf352270917d9f86b5cbc6

    SHA1

    465835642a654df9950bc6dfb4d2bf89782878f6

    SHA256

    6e666786f070ee60424de4713234cf1b9e8f332261b39138a6090f488107d5b5

    SHA512

    40059131d020b08b136c6bb68d592127c5495887602707af7251c513efc78843ea8e49de268a8c566ee9c75b9dcf6a02be9b604f888b9624c70c8291c57fed8e

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    58bfd7ac6522040fd497b599370f4a95

    SHA1

    2d5c2c32d4ec1160b91a828aa641dd6b9b91a56e

    SHA256

    d919dc93c906f69843028db593583cc02c33d47da63bc8bb756166dbb68aa0f0

    SHA512

    0c1e8a8e492babdaa7ea657182353f4a226970820789912437af2d5f6443b339c7961a26111d892d57c00ec279036d630d13557915c5e0cc866aff1a3f9b907e

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    9eb4cbd005696e27074a94553a2e8089

    SHA1

    0a43030143cb2f3fb5e9db0939afc9d402d143ae

    SHA256

    b3ea9e86d048017b894dd81e9423df4faf20005f1ff80406329f930bccba9c48

    SHA512

    47debcdba3fb0b1c34df527ee04b65fea93efd34761c26c426cf86262f6036e2c414e64e5ef77e19a1ee705e0564007cbacfe68999c1bdadb21dba03ac097bf5

    Download Submit

  • /data/data/com.gjyygawzm.xabhvqepy/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    6ed2064da526a34f1ce2731860b0d83f

    SHA1

    d98e2ff4008cc688ca6aa40e6226e7f487c97d58

    SHA256

    9875149ba46f21701b0d28a976e6d1ec8cd2183e83714eeed2e8694b950132f4

    SHA512

    e346e994185529fd9df792a88e38ee5cedffde6be0ebdce0c572bec55f1c575689bdca5990c1072c0bc0c0c0afba0deca434b97f14ad198849a2bc4c4d9d09a0

    Download Submit

  • /data/user/0/com.gjyygawzm.xabhvqepy/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    d1e19a8b6d11de09a2bb1046ec87f854

    SHA1

    8cbba4e117af061661cc73e1828ba014906a6c4e

    SHA256

    b1106f08056d953cd43d94281a9bf62a2403655816d36594a008eebac74be34a

    SHA512

    c6990745361199e0bbd638191c54e229cd2e4af030501a99760511bd7fa1e1aa7affc03f8409434faa7e8b10e7809e661510f2afaffbfc27ebdad6be2829696f

    Download Submit