Overview

overview

10

Static

static

6

5bf6e5ee66...d7.apk

android-9-x86

10

5bf6e5ee66...d7.apk

android-10-x64

10

5bf6e5ee66...d7.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    06-12-2024 22:08

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General

  • Target

    5bf6e5ee66b8f0c600a7c099f66d75d79693f4f231c7929a0faf00ac5567bdd7.apk

  • Size

    4.6MB

  • MD5

    8453d56218e8af188361465680c11861

  • SHA1

    ce1c3931222e97afc27fce135e5169ca3e35aabc

  • SHA256

    5bf6e5ee66b8f0c600a7c099f66d75d79693f4f231c7929a0faf00ac5567bdd7

  • SHA512

    ad569ffdace57f90da172d92906e703655d60b18c689ca7553e35586a9421cf2ced9721a0a9bc67807ba02902568feadc5d9d65df0cd0a4190b4ad0457bfce28

  • SSDEEP

    98304:KCNJrnTJ1Y7cQkS2bPeEh8erk6UzXixGvDaP1UojAToiOnI+LHb07XE:NTrnTY6xDZ5k6UzXixGvi7MT2Iuo0

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.19.93

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
  • 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.ujnbvtkci.ldtxwwziz
    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:4224
    • /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.ujnbvtkci.ldtxwwziz/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ujnbvtkci.ldtxwwziz/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4248

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

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

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.ujnbvtkci.ldtxwwziz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    4a53c5d0d6a728140207b424f0f4f485

    SHA1

    0d70a59478f8e9ad047f44a398b2c82cb5d3d02f

    SHA256

    e206aaf7f5caa1d56dcab5f9317eca51576c4799f9c41cf49e2f60dd2eeaf5d0

    SHA512

    3b2193513d1c4703e59c7ee8322983c688f61fd1ba53cdde4380b3fd33925f1276a55cf36fc113458cfd826d7f9d653249d9a45ae082d73c41a56e7316248aeb

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/cache/classes.dex
    Filesize

    1.0MB

    MD5

    8d69d4a4d1cf4913cf0bd8bcc6564785

    SHA1

    1330c26e6d296693d43905716ade27f4647a33ec

    SHA256

    92ef8018946c1985952e24e10fa1153612c2f4373b0d6069b3bd8960b2c48b66

    SHA512

    2021fa58cfd84a53584598f478af1ae03bc2307d8d7872eba139b5175fa4c8f623763013df8157116e61ff676449fe53ae889c936447558ec82d14df8a85d785

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/cache/classes.zip
    Filesize

    1.0MB

    MD5

    6e7f2b32d24bdbc38688152b3bb30f59

    SHA1

    094085a821097a41b493ae4f3b7c43664ff13336

    SHA256

    44982c18dbab6bce0917f69a922506e42d310c786181fe8cf1d1ecc41fd0e427

    SHA512

    cd40f4996e4dda437221e491c9f3c28dd28e11daeddabc12b12a115fbee6b0afb56f1ddaabf845052d1be2318da5767a11cac7a21e6b49da7896c9a2a2b60c71

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    4721ce5771acd2584ae7a5857f5413da

    SHA1

    e94a47ceefd3a903a4d8d2ddd8e437210a4f6ac0

    SHA256

    6c8173f52bee4c7042024b533a005f737605003db0ad44abea9456b094ddcc31

    SHA512

    6758e46e82f0e8fd3315957edb06170c1d1de195cc6510883987673956fee3e0998a36d4c5c3b628174cde24d23c55ab74d69ba6a2312957eb09085dfb1a57bd

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    ddc5c586fa1db67dc248942f40a13e18

    SHA1

    616b30ccb7422c3f7dc0f4c94aed088def725e3d

    SHA256

    9c269f7f6a80eb61af29de472dbf12968cc264614e131176fe360f6f45e9447c

    SHA512

    40e2706ada11be6dbd2875ac787492259e674d4c489946abbb536caee8562d25ac533cfac5d285c4b7fa4a8be1d7cb58d6239266b19043cd7c155eae1f909c24

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    ef12b29a2986e81deefe24223de3d98f

    SHA1

    bfde39c04b28965870f2de153bcab6c5f3785e7d

    SHA256

    7f3beeff805f636ad1e1b04fb6dc2bfb5d39551a8f238297a88cf3197268b8bd

    SHA512

    0f49b2a0e30a97da444fc10c72f91dbb7c90dfa57f0cf7509ad2bca0b7661debc4a0d16c12a7f42bc6fe2e28f8df35f71446a2a2e6a066c8617920a04f9ec562

    Download Submit

  • /data/data/com.ujnbvtkci.ldtxwwziz/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    01563ede9b94b29638baad29772a6d88

    SHA1

    d0ced5fa9152172a57703079ca47ca63a2c2d0d2

    SHA256

    03f12c66a5ed3950a1c8bbb3c095e83dafc8c2ebce8674f21988fe18bf29a107

    SHA512

    e8c0b088736720e7f48736cd6d7f27d11db548e702bf8512c07e4ca84229a2fc17a3ba5255bf9d95577eae5a74efb7304a0f6d76d5f800927eed213ce9adece1

    Download Submit

  • /data/user/0/com.ujnbvtkci.ldtxwwziz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    84c3103d5d1e32565663ae93a99135e8

    SHA1

    0bd400e4f35534ab1ea908a76468793b0fab5894

    SHA256

    7d5774fe5e9eed64f8c85d531bcf9d527a036a0d0c12336660812208c159f25d

    SHA512

    3380d83edf253e3c3c4b59e6512f2ea8ee6fe3491b1dd3df205517c81d08e9d2008ac113c15e5dde78401787ac5fcfe7053d0316a80ef09385f415cf14280fc0

    Download Submit