Overview

overview

10

Static

static

6

3de88fcda6...88.apk

android-9-x86

10

3de88fcda6...88.apk

android-10-x64

7

3de88fcda6...88.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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 22:09

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General

  • Target

    3de88fcda6bbb1a8cf75eea3707ec9193b0fe4ddb374416f2c96339d01060f88.apk

  • Size

    4.6MB

  • MD5

    8957452fc92e6d690ac6a34210291176

  • SHA1

    9f99dca60497252c0f62e186a86095900f29601b

  • SHA256

    3de88fcda6bbb1a8cf75eea3707ec9193b0fe4ddb374416f2c96339d01060f88

  • SHA512

    f0859cecdd504b504cb731fbc8aaaa9151d2e8dfcffe531f4a43e4f5ea7a6f70c06af8beba29fa0a4d2c8e4ee2a8c1f827a733508d3f2d225637ee7b1b615307

  • SSDEEP

    98304:lQEWIqBHq1ilayGbwuiPo35djpI3IxY2Bu9103gLTgrS:NWa3RbNp9e2Bu9+36cS

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 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.hzljikjfv.kdjbyjhjv
    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:4406
    • /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.hzljikjfv.kdjbyjhjv/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hzljikjfv.kdjbyjhjv/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4432

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.hzljikjfv.kdjbyjhjv/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    ed14af8b8ba5743b4fd30e59711aaa07

    SHA1

    aa87fc75c04cb3def8ef553a0e830b99178ae918

    SHA256

    ce042cad56e916a027ca6497209262094150685f77e9c348e983f1bbcac59512

    SHA512

    4f81587e7140098b0d6e6861c1a344b6c5085bf3d6dda3daffec7b6755d98c12ee1a69e2b7ae647a71adb4a6cf0e968adaa058dfbe2a35e625861f4b2b6faf1b

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/cache/classes.dex
    Filesize

    1.0MB

    MD5

    22974556ec49f63c08c5c74d95849d8b

    SHA1

    8325b0d31662476920cdbc26dee22bea6b7bb993

    SHA256

    fe4454a4addc793af6e9b607852cc2da199b1dc03d4be21bc8ab7e2e113bea73

    SHA512

    d13a510aee6395c7b936ac7385748385ae67d722a4e4110545dffd27b60d5b8fa7dc1f51e61e6832f2f77ac1abaa77cb42f1f4985656392c0dab3727d99d8626

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/cache/classes.zip
    Filesize

    1.0MB

    MD5

    2aa3fec8d84197e2a7b85dadb56b6e74

    SHA1

    5edbd30497824afb33cbdf330b6e03cfe47e2ad5

    SHA256

    2690839d69a166db73c1a06852fc5bc7f6df25e710c3a50c4f8b1fce3b0c91fb

    SHA512

    69c23d27070a66268e10355f959b52b8476c17eb4b853abe2a75e7813fb0ea205b5baef7cac909a03c7c1ae22885fafbd42b8b0c5ef7ad2b7c7e55ad53efebd8

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    ddd424fbcdb441a20daa20b79495487e

    SHA1

    90a6816535d45fe49ab350392787f1b58c0ad0d1

    SHA256

    211ca1b7cd646723079ce9a785d4c97be091bb796261916db6fc58a62f91f196

    SHA512

    03ea46831fa1bd39060ecc60f85f682587d0ce8000c735cb0ed58b7d7fd2f3f59ad45a2892298dcfa7486f2ed18e01c9fdcb868091e67f837f72bd9b748a8b3b

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    a57f1f1023fe0605d6de59a8f419d7b9

    SHA1

    309f2f609bef058a32c02e8a4bbae1e9adaa005d

    SHA256

    a3590515891da4cdbc100f685614bcf465ccb20cdc35515ab5b308e282c05f58

    SHA512

    50cdc8f0cb41d5eba855d48643dc1382840670d613d38b10f05b44a5f2dbadc9faa92cf64e2e7c68d14c74d6861535e41c58d67affd393279ad92dd94b27f50c

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    aa49b120ffb85af68a25d047aaac68eb

    SHA1

    2d2e4e1759be7d68e88d65eeb6a884ae338d5900

    SHA256

    f4a0228cd99e46bc27181aaac95b1eafe64ad2fc453cca3925d4fb7a2f5b220e

    SHA512

    744d8cd40cf036630a09d06486c115a598a372e91c73c8ca1cfbf74239ac696eaa5e324a68733553808ea58ad2ec3f463f1786d16e4d7ea54138cb3cd4d606d2

    Download Submit

  • /data/data/com.hzljikjfv.kdjbyjhjv/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    18e28ba6a3b5f13188732dfc39f4f285

    SHA1

    c769ca753cfb34be0d9baa24fb940ef49350be65

    SHA256

    5b5f84ba9931626016889ea6279591c2337a18fed6853835e0150e6555cd398a

    SHA512

    eac3bf3e7e450c9b173f0a4a73028e125121724ecd27022ba2e190512aa126d741f879d40757498c85b865c4a8fe53ba7d25643abe73543e9b541c3c1c240648

    Download Submit

  • /data/user/0/com.hzljikjfv.kdjbyjhjv/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    8dad112ecb818009c729fec36b950192

    SHA1

    6f24320c3383d942b99073cea198fceebd0f359f

    SHA256

    ed753cc57e25ef7deff48304bcdf287470320377f1f8d6611b0e9a2fde6799ea

    SHA512

    7be65afadcfb5726a99acca30bde33fdd3e94541c3e320f1aad58b92c9c62701598d13c3c15db2e31062143aaae61e7e22f8e00aaf5cff96825a0e1c996a85d7

    Download Submit