Overview

overview

10

Static

static

6

fd71996566...f7.apk

android-9-x86

10

fd71996566...f7.apk

android-10-x64

10

fd71996566...f7.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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
    30-11-2024 22:11

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General

  • Target

    fd719965666798271100e5deb15a53183ac17d73a48bf1fc93a77ba3c729edf7.apk

  • Size

    4.6MB

  • MD5

    2fffb38f6f4aead96f7251ea93b5b34f

  • SHA1

    95006e66ee48efca678615f90eb8e10f1fa358cb

  • SHA256

    fd719965666798271100e5deb15a53183ac17d73a48bf1fc93a77ba3c729edf7

  • SHA512

    fdc4916b357063598e12995afd43d2740e333ab1fa22b70c077c693edc8f83d4f0f875f97ca94dcf6c36072a8e76793ccf15b1aef15d25eb64d4dbbfd0317593

  • SSDEEP

    98304:rfr8z1tj55Lf3uRJfRUn+C+HXsUcV6ubGlJC0fVjtjTDScalssyBwAvbET:/8TthSJQWH8U26KGfC0fxtjo2dvs

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://65.109.83.248

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 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.fajxnfbur.emcitjnsn
    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:4339
    • /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.fajxnfbur.emcitjnsn/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fajxnfbur.emcitjnsn/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4365

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

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

Loading Replay Monitor...

Downloads

  • /data/data/com.fajxnfbur.emcitjnsn/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    920c5b1fce07809e44c503223198b9f1

    SHA1

    a05aa22d19b235b38ac5976558a93418ed817444

    SHA256

    940ac12226a55995a3f45cb0cfa11f0f5512bdcc6b59b0bb9660e54ab69b7156

    SHA512

    76d794dc7b1646ecf0655200fa8570e3f09704637b0661f08d6d3f2a62a4984d1c55d3fbfb0f2048ebd32beaf7fa781d2c28dfe1ab777a4ba22c83be166f2ee9

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/cache/classes.dex
    Filesize

    1.0MB

    MD5

    6c1e7fce94854d3ce646a7566abca70a

    SHA1

    60c6bd8880d010ee68f241557a989806c055f6eb

    SHA256

    8625103449a205744181ebf38d907826d563be86fa9b2cc5867f5e83f5198a39

    SHA512

    58d4b84c7ae3817bc8870597a3e04d65022a5ea11fbfa0e1a96142660557af0a12b8c759b018a43f858663ed9f9ffbb434f0aa455aca4dcbf5b990767848c0f1

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/cache/classes.zip
    Filesize

    1.0MB

    MD5

    58eeabc59750c370b75432b856cf69a2

    SHA1

    a3be61b320a613950d0fc1e74b8a6cd076aae6a4

    SHA256

    4ed349113bed89f3b402b5679e10a07c188561d21a13336ffaae9b58eb7a8e00

    SHA512

    1c264c69ce5d4f6ece818cc33ad704d86e765fec977cad5cd4e3025040302f7234dcc694fa33d379bb1db24c1d228d9ea4597e6c112ecf2ab004bc3d392bef64

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    ae962e899cd16ff6d74a7777a2d94433

    SHA1

    f4bacdbda4ef027c927054c27f40560866a07604

    SHA256

    939ab88f1223594265b6d02885d997769ce9eaa908d7eb073bfdab83dc92be4e

    SHA512

    cd13c5b6f29476e3c69424e9bbe444008074325c304632476e02245dfb0a83d477b8cd6a3b7c670b929c5bb5b6c8cba1b7567b4fc4b09089f5d088604bc5fddd

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    23496470f6ac8105f280a63c301a05c3

    SHA1

    7daf4576692ec34833d8df37dcbc09356e6f177f

    SHA256

    a59a3b0ed71b2da9f7eb1f4def7c908c8cae7142d8eb434dc122614a06a71f92

    SHA512

    d4326411df426448a2889e4cdff6c6eb0c459613f03fcac5515210143b150dd824472d9fe918b8cc7ceaeb814674e188cc333eb6f2fd1c85034e1c011360e127

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f7fb4e677196e0518cd15d899a35dc7a

    SHA1

    29fa3f6863e8b5d980e73e0bac9054e02032ec58

    SHA256

    0acda3aa22df4af0f40e3aa48347eaf3a8109bdf0507644bebc9e1b22e3f1fa4

    SHA512

    1dd9ffed4041228fd3d5fec4e4f44fd6d365da4f8ffa99637b4273266e5ef9a1692e514c432a4213849eda9216246479404596dd70b9366de819d25ed67c283d

    Download Submit

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2d34e4d4553a28553aa23a5d82fe4ea4

    SHA1

    aa4ff0b98ab658c6cf4c79dd4db51c3b8ed3d29c

    SHA256

    8830831831d5cc40c0811287a73f0fe5d79738411f19bf7462ff08eb5e51c8f0

    SHA512

    ce32eb7324e5bf80314726c7675c9ab8e47a1368b0d7db9caef2d428015aeb83e946806f1d15e6c3c71cca20595f77f0afa9b0cba96fd9e027775ed0bc48128c

    Download Submit

  • /data/user/0/com.fajxnfbur.emcitjnsn/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    4b38583e27f908c2841d37b59ee2564f

    SHA1

    771d8592b5a4fbb2e04e83e1a155de18a83e56b3

    SHA256

    625737fb0f0b7561470d439f3fc7b2a9ff7788e2088c0d32d1dc54e5dbe4e37e

    SHA512

    eadd6fd39011abc19a81f786fa72afbb434e6e5c05ab6c75070acb46f5bfe094d54e7ef74e1604ddcaf70c056f67eaa656c0b9982047fc9474ff90cfca4727dc

    Download Submit