Overview

overview

10

Static

static

6

90bfea3132...08.apk

android-9-x86

10

90bfea3132...08.apk

android-10-x64

10

90bfea3132...08.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • 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
    24-11-2024 22:01

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General

  • Target

    90bfea313233d20dc0a8a1824047f85b9a5da47a2068360efcb14180ee1b0f08.apk

  • Size

    4.6MB

  • MD5

    fadba901cec6a53174da4b9bfdf512f7

  • SHA1

    b9b89ed841eaa43b3c2a29333f7d20808a9a4388

  • SHA256

    90bfea313233d20dc0a8a1824047f85b9a5da47a2068360efcb14180ee1b0f08

  • SHA512

    a1662ad644130976bbfe675c3b07597307dbbae1fbe8673022ed90724fa7b90ed4875837a560ad45eaeceb3952c8e4f6518ea219bd752e9143eb10ec2af75d13

  • SSDEEP

    98304:iDY6gWAGjLbS4kgAXSY/T/kdwjh0jfHDUZXWAaqEvDstk1KIymex:bDWDXuiAXpQdwF0jfHDUZmA9Ev4I9c

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.184

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 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
  • 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.crfdhqyra.uhrhtuvkr
    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: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.crfdhqyra.uhrhtuvkr/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.crfdhqyra.uhrhtuvkr/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4284

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.crfdhqyra.uhrhtuvkr/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    475f434781881639a4ae59f88f100e42

    SHA1

    23ce0c3c47e3bc52bf8a1adf0866c47b593d343e

    SHA256

    56923f9b67a0565273a463a083571818e1911d05cd2d6ce9845f52335eb58d2b

    SHA512

    bc20f7b4bfe1a4e9d4e9ceb390dcb89ddb7e119bee426a46e7cd8412f012a931517a958cca905c118a93edf4a588557e49e7afba57b26e5e1509ceab0ab7349c

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/cache/classes.dex
    Filesize

    1.0MB

    MD5

    7adcdc1db5699919db2c13162fed3c01

    SHA1

    1ea80cb817d37068ce798f3b9d19ab66adcb62eb

    SHA256

    f6e89171eaed3fdb5469c999d2531fb60c150835abf30d4cd28b9f0e1549b70f

    SHA512

    6c4da681a1eb6f98ec42985052e7e7d1144213fe6b5f39e1df1cfdc9d92466820709d06811fbc9de3c452b2162b970660e2cf9363b9d55c45027d11d92cda378

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/cache/classes.zip
    Filesize

    1.0MB

    MD5

    5eda49261ee2300721b14404cf8ab426

    SHA1

    5ee286644a879992e54922b7be7948887bdafadd

    SHA256

    331990ae9be4a862e8113b6c839c516b73d435665e308dc9f7c031c2312cf894

    SHA512

    e01e8583a4183f484c511c7528a506b7e06690693dcf229544da0e21fb3f7eabfc36c9405ace4e7e661f4648dfd69ec671af13fd955b6861855311b3acd2ae0a

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    32d0fede4dc5fad9742b78735311dc76

    SHA1

    f4a9ac81a0ec324bffa7b10bef0e302b3090494e

    SHA256

    d65e15884dcbcafc47b03bedb45c8bc1d27f9b7c26f2c4a8be6e5ef994102c1a

    SHA512

    e077f9dc803699747673f442325f74fed34bfb633e1c4eef6dbccf8bc421d739f6cdce3c83d6af0755b9b924ccd67240a95f3576db2b32702576ec3b537adcfc

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    e7019aa203d3b26a99f1d70c4129016d

    SHA1

    cce918c0a916140b240986b6830e6208cfbf270b

    SHA256

    87b3cfdcd2c5e4e1a5d6e70931e86877d2146b2de28183adfd7e322bf6ef8f66

    SHA512

    18123c0710130255c19089ff51e9f050cfc508d318ced2fc1d0b9f5354f16314efda82f561c444ae8ccb4b8c03100641508d82d236a387842405d9921f5b3346

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    358c0dc0a088dae11e7cf91cefbf472f

    SHA1

    b7fb2c19782b836c76a7c211e8022ecec38f96b5

    SHA256

    eb0f386832ae16eadf6c3366075b3d1cac0e25a8a92d9be90cee1be69fb1cc2d

    SHA512

    cf53ea466e5dab2e4acb6fc90e4813105c802bafa7c2a712dd95660eb21798c09d78962a2d5437fab8a89e02c45d42f55d5149952e01f58a8e5074c40bf447d4

    Download Submit

  • /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    04ddb7f99f89b381328e1211c1285256

    SHA1

    2434768ba6581bc932fd08777fd0064fcfd97a89

    SHA256

    7d1d7ccb525fad2922255610b54a94a0540a099e1ff1f967db47e055ee89826b

    SHA512

    2975f6f4dc62b4c449e33139da27fca9684426fbcc0879dc1f8d4f4fb709fcd56fb8b05d23187312eb07b763066b519a4d6d48ca92469508eadaee69774a6891

    Download Submit

  • /data/user/0/com.crfdhqyra.uhrhtuvkr/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7c29546e177caa7b07e9c7084e0b7f6e

    SHA1

    2bb20076feef77e55627a1bb593ec4d86de49e62

    SHA256

    c4825416904d880b9d3d87bb1166969be05839cabd1b1fddaa21daeb2df68a41

    SHA512

    84272b952c35feca6bcbb5ad4d4e9313747f0c1699f7d2be5f26a3a219002dd06d76bab3ce286fc1d11e2256d525bf5d118cf8e5374ae44902babce7daaebe2d

    Download Submit