Overview

overview

10

Static

static

6

1524d0f1ba...a4.apk

android-9-x86

10

1524d0f1ba...a4.apk

android-10-x64

10

1524d0f1ba...a4.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
    08-09-2024 22:24

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General

  • Target

    1524d0f1ba6f88d0198e089916746a5113aa43bc1e66e8dc2127848fc21534a4.apk

  • Size

    4.4MB

  • MD5

    b0cd63bf5b230cd7c98cfea697f6cc8f

  • SHA1

    eace30021bfd0a48a7e305b2c63bf88fab3787ba

  • SHA256

    1524d0f1ba6f88d0198e089916746a5113aa43bc1e66e8dc2127848fc21534a4

  • SHA512

    5b8eeaaaf0a31cf19d96a01f31db76372b18c878363693898192f696639de9afac9279ab842a0afc7694e917c9413599001c857bd8f3fc70c0a2714d9d197dba

  • SSDEEP

    98304:dOJTlzwVvfEBPstapRYzHYPRGom2kF6se7BlA5VLYaBdJGN:dCzwp0PmapRYMJ+2kPe9W5VLY0dJGN

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://80.64.30.123

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • 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.rmptprhsb.nwyhljaui
    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:4252
    • /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.rmptprhsb.nwyhljaui/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rmptprhsb.nwyhljaui/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4279

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.rmptprhsb.nwyhljaui/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    a3c1f2271d8c0efdf0c49ada80aaab67

    SHA1

    f986539664d62adb13eb8c1be4dd8c8b733399c9

    SHA256

    683197920810347aea31231b3139dcba88765fa022dc5edcab54dc1a2b32b8eb

    SHA512

    55d676b2ddf5068c67a54759d08009ec69ffc93107a49128c337ffff4b2684418611144bb52ef28994854a3dc956d90b1f6309c431e85c6adf2b7b3a1f67f47b

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/cache/classes.dex
    Filesize

    1.0MB

    MD5

    f62f72e50f525973890b6d7dd12378f4

    SHA1

    c673a6494f661afb6f828ea17e462611d0cdb12d

    SHA256

    af7ed57836e8d6eeb7e8103680fc3b66b8a53056f7f41815f340a167221fd8f1

    SHA512

    fc8172e4b183dc27dc6e814a920cb5c282754f6453b636201580fdc6c58885d39b346396bbaf167e712e3b9eec4ea154012344971c8c01e1b08a62c594f94402

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/cache/classes.zip
    Filesize

    1.0MB

    MD5

    22fd06e37fe2e50eb188d8880d6f4bcf

    SHA1

    71037998373c123e011a6f7bd0c5c276c079d31c

    SHA256

    3d433bb139535765f2386596d186804bd4552770bb5c17210ae591fedb0ef408

    SHA512

    3c91b96b3ff2ed4eeea19c741a651cba11dc64069d8b476060650a524f1b1baeeb1e9421d22b3a1eb3fc8f3655f21a10823928c7f4c0c9b344283eec28419e0c

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    0ea44b3ec879814c5ba0d509d1b5376d

    SHA1

    19c492fb6850a7afee08fcecc1e5913ea6b5dcea

    SHA256

    12e7e2a5c649651c0af58d8fde067216745ede5241c32e97da54bb2ff62683cb

    SHA512

    6685f0b65f540ac8e194f2a6574445615d5261c3a510877fe7b1cdfda71311ccec4e39af5e969072b0a7b6affe0e3fe5a21acf6b369100e2c0c0d6f4f07d6dc4

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    a390ce9880cb9ceb8d80ece17915a648

    SHA1

    3c20bd1cc775853b608623e38954319a7f380fdf

    SHA256

    56ae132dc4f00f55d701d3878d7ac0e102b114b3d614de32eac9490dfbfcecae

    SHA512

    339708180721399fe38b917ed981f28b8dd8dc37458f5b61739949db9b5e94455a010ed51c6c504109f4d1d06650cfa513d8a00671de916d0d728a3b5d079a9e

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    388034341f5dc871bc1a4cbcb764217d

    SHA1

    91c8e5b692ee4c23b0e3c147119fc7fc83114290

    SHA256

    48c036041ff947b80d0bd4a970d4531096e49bceee42d103a8c56b1ac5fa231e

    SHA512

    89b191f7f830032b74599ff551c0eeef65be741cd686abb21df88642acc9d193df954190b95370f4f12b4a964c6afb294533150662c5dcaac3a2778f47f3632e

    Download Submit

  • /data/data/com.rmptprhsb.nwyhljaui/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    73573feaf38e3a84d8d164db391df5ac

    SHA1

    81a61e3c2fcec0a0f4fe7137f74e838c07d07d0a

    SHA256

    1b235cf650028727b844a47f0c2a3c61fcf2e2e3e4817cfdc5d4c4e5393defd6

    SHA512

    97b078a754b31f4dcad4cc25e4c29160ec1a410af250ea1f9173189e902ae7c37aca6ed424e44108dd60f000c1451441ed9fc7e7e61f11113825f03b7e70b76c

    Download Submit

  • /data/user/0/com.rmptprhsb.nwyhljaui/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    85ba36d1e005f596088fb6e34f10f348

    SHA1

    c0772b86729f86cd57beddca08e37dfe941cbd02

    SHA256

    427fe06941aa382f601545a8548a8af5014e62557dac5b85f73a428469d980d7

    SHA512

    c57aedc33cd6e0a72b3889c4b1003271df39832d7be00a21b7268f4b4e6c4603f4bf965fec79195ff97f5a39a01fa128d4571a7f6c84aa9abf90fbb53a91c5d2

    Download Submit