Overview

overview

10

Static

static

6

3658830501...3b.apk

android-9-x86

10

3658830501...3b.apk

android-10-x64

10

3658830501...3b.apk

android-11-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    187s
  • 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
    09-08-2024 22:00

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General

  • Target

    3658830501decda30f5fb33563b75295f8539d7fedf7d566bf101f9746a0fe3b.apk

  • Size

    4.2MB

  • MD5

    0d1bf17c81f39933393bb09ac2d75aa1

  • SHA1

    31a3b4792f3a952854c669c9d646bf94d9813f4f

  • SHA256

    3658830501decda30f5fb33563b75295f8539d7fedf7d566bf101f9746a0fe3b

  • SHA512

    36db869e4aac27b10c23166fc8bbf0816026e66bb39955d17be6f8c409eb366396903e6ac79b3019a2f5b4c39d00f78f1595399abfe396a1d5a20fc499e6db62

  • SSDEEP

    98304:5bdbIEQ96GvRB0mKZ4chz4Sf5Um0J3/4B0nZjAZ2FV9rY9cbJIuKBu70:5Z18XOhz4TXQBi5NY9MHmF

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.40

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
  • 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.otofejjtp.zigzrekea
    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:4283
    • /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.otofejjtp.zigzrekea/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.otofejjtp.zigzrekea/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4309

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.otofejjtp.zigzrekea/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    f2d74e4db1e3cb5542ac241b746860bc

    SHA1

    86210a930bcb8e10496156bd7369a362c6b93e1c

    SHA256

    d28df7dd479bfa07ef3a217727e6bbb88b97bbad6435dbf43fedb2e877bb65d0

    SHA512

    16afa0740d2c9d385bc6119a04788f1b61af31f993ab6a6eb1f9bf64b4b99019d843d431582b57365b99042358c58a5523f4f2b579522718d291ba6c9789c2e4

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/cache/classes.dex
    Filesize

    1.0MB

    MD5

    4c16c22a53a3f55ec2d6c3a6d43ccc92

    SHA1

    53585bc6b126a05d9466dea0e8835aa29e936076

    SHA256

    0ec743c5502e8228fe41a8a96a55873cb02e10f71a8acca532a0b66d7bf08c3a

    SHA512

    5092c0628e797c08e68787d4b217dbc962dcdeafb97fb9915d8bb083a5ec4dd8ebbcbf8f83a79d3feb6de55b216a50a730751047da68563fbeff3ff63027f4f8

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/cache/classes.zip
    Filesize

    1.0MB

    MD5

    cbf3bd2b857af3a5d0c4fcb71a31d319

    SHA1

    a139105ec4593b7b1598efcf8642110828f73635

    SHA256

    71342742270cd3a53920edfe143746e028afad4a75a96ae843fe03757bf4e8c0

    SHA512

    22e7af472fe7843e9e7bba7644e9cfae26cc60a046793e02a1aba33b04946a537932299838c1f3cd86a8bfb31ced1f5824d3625114e259f0b2a1c6c6ea07a797

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    51dc5c7150ec56630229fff0566f07c8

    SHA1

    d30c91367fbe74386a165e03bb149f4802ddfe15

    SHA256

    befa2ef64682b9a57163aef9bc5ce5de01b0fb3266889ad610fa1605b62485e3

    SHA512

    b8c94db349bb230bef21ca4b5d56e1b0225f02523acbebfd0a7fd07e32f8b803f9bc50ac59bda491023f96c8e0e1ea9e010c51373a71c4a488799346c9b5f754

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    b82306557679d95565d4771dccd79d2d

    SHA1

    9a14176758e83fbf721686185e777da1eb7eed04

    SHA256

    2ffc81db27af58a9d9aee0cf2be28c1cdc1034d63b51d50159d04f603097cbed

    SHA512

    75488f6aa3af780a9f202c17d5630fe0d5b3ad7b9f49a7e0c09a99057d224cafec2a5b5e93e055c1919d0efd523ddccc00f6826520e1d0b126f8d506eb8a82bc

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    97fed1f33af10bab4b2e9f0b667b7b4e

    SHA1

    3e943d542e65729c7d7915adbe1c1ea7bd2bb0e3

    SHA256

    c27936dc778dee7d3a54515c2139f778ec6cbeb90c1737e9bd6aee9c86940956

    SHA512

    a02cc592a3bd00b10064aa1de8ce15e730bd6a2ac443ff4ad7f37d382b3f362bdc0e8546dcaf7f6ce121dd9f863741f45c2e07b7968b9fca962cd9fa4a3d0421

    Download Submit

  • /data/data/com.otofejjtp.zigzrekea/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    66dd4b6349cf6dbfb71733a990a60666

    SHA1

    be0d994ccf554d55ed515c8f37bc7ea745d35b81

    SHA256

    68b80d8b08df68ebfc0c3151bf18dc608c68a968266b6c8cd2b9a00356df679b

    SHA512

    57037112234798daa0e209deba902b60da39d333e87c37523342dc76a3cc8efae7426679a595e4726a1508deb30791186d3f4286de1f8f15d52c9f118c31144a

    Download Submit

  • /data/user/0/com.otofejjtp.zigzrekea/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    166b88b83191793d8dd1c4eb16c24639

    SHA1

    6aaf9f15b5aa0ee172cb667f9d17d4cdb76aa2ee

    SHA256

    12fb6c47648ebfec388ac87053d84b60cb03987a63cd58c13a901975c862458a

    SHA512

    297f7329dfebbfbb96d2078dd9163646231b1fcd67aac521b222777ffe9cd1294a62749eff3081124e38bea64a133826684133a468d5ad99c793c3d51cac54c0

    Download Submit