Overview

overview

10

Static

static

6

4b9df9cf6c...44.apk

android-9-x86

10

4b9df9cf6c...44.apk

android-10-x64

7

4b9df9cf6c...44.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    159s
  • 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
    04-12-2024 22:12

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General

  • Target

    4b9df9cf6c17ffce15b2a46cf0ac6b2435335f23d34674e5a2e6973d0f0a3744.apk

  • Size

    4.6MB

  • MD5

    86d46ede8ce318e94d8c226403296010

  • SHA1

    6dacbc12a42071a77258fc0977a741bff4050ff6

  • SHA256

    4b9df9cf6c17ffce15b2a46cf0ac6b2435335f23d34674e5a2e6973d0f0a3744

  • SHA512

    f92f167f24b748e56eff4903843b5783345e21bd480341d2168515706b513745e5abe4385f3f02bf23b21b2dc44dafb55140d075e3bf3efa85d81cbfde148464

  • SSDEEP

    98304:8r6z7yRHjrLb+luycRm2bvNe9e2WBtmGHYmQm4HDatb6g6TVUnp:y6fCDrPZm2bVyIBQ65YDA3N

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://92.255.57.103

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.dmhgdwaby.ehntehrvj
    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:4244
    • /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.dmhgdwaby.ehntehrvj/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.dmhgdwaby.ehntehrvj/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4272

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.dmhgdwaby.ehntehrvj/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    46d88f78c226edf8c145b4f299acf3a4

    SHA1

    3b203554bcc21fa9e3a745c6f31dd96c3bd21571

    SHA256

    1d9ee88692ea9918e89ac16b73a7e93c0b31ae283865f8cfcdfd143777a012d3

    SHA512

    b443f27d2a4159e3829e2520136653a88c160b9c057d6d591b03b1e34da90b5cfccf55cc2ea3f2dd76cc55901a47b77917c9e380e169fa0f07969c136e376d9e

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/cache/classes.dex
    Filesize

    1.0MB

    MD5

    de687b18b199c2d7903e8dc44a21dfcf

    SHA1

    279b5d0816ead79e02f7fe8695eb90c393d02db6

    SHA256

    e3cb3c5fc4747a32e745b7e22ddf49bf3b3e0b6e51b6fcc4572411850caa73b1

    SHA512

    075e720ec29a4d08f26f606e81a2f25ef860c09cb6bb0eb02bbadefa016da34f6588391030a77ceb9e1b3e15275a1c1d2f4bb2daf04e3119a6c1d6e88276f0a8

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/cache/classes.zip
    Filesize

    1.0MB

    MD5

    a220a685cf885ccb4f74783daeac89a6

    SHA1

    d8ec9b5abfd1250a1f138e7dc8285f538f641acd

    SHA256

    ad45c5fd419826fbe7a2d1ddf96a8d8e6eaf6723facf66f0f543620c9e9fdaf2

    SHA512

    2110a7f76daeab5b28429057436886336c8d5b785b89f753fc0ea433b9d647789ab9960c1fbf7a8c50a6507fac66bff6d1c09d750787106cbd1577120f840dca

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    5e547b9a7df646ed6726bfdcf95bcb2c

    SHA1

    c959531932783c1913df2da0862be91e443a453c

    SHA256

    caa6aa46d955d6278989109b8c506bef028076187d889d6bd6b7ac69b80a3d20

    SHA512

    f43d93cd27a137eb9bd0f1c4b7d39b809d54f5aa2125620bd1ed7db36eb4307872ef481c0728ef2597990ecbaf664210b88ef08e3b88c1ea54667e60e75b98d8

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    1fc0cd141049bdc77823449928fb0b3e

    SHA1

    454867c9e240b92a3eddcb40ee1e2ae37fba05d7

    SHA256

    ff9e442ef8d01ef87db90d3e37b056c69b810c6976aa4dc8d89be196ba20417f

    SHA512

    87c816fbebded5434ced727dcf0688a45dfa2d90040b8fb0306e7c1aa8534e0d3aceab0ba35ed86b02bd529459b2a52d67a4eec802da3144318eb5e41e8ee012

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    a7eb0f80e66edb8fdac4c703147a483a

    SHA1

    634ea35797211764efff161615085c0825536091

    SHA256

    1c5b9e3e25608f9e8f81763bfb445ea614a946b2f822764c8ae8229241f82952

    SHA512

    6ceda0ba257c629081e503c33a0ee62a83004dbf43560e4e6b3aaacc509083b273107717c0bd4a1ac46a91f0f5ef067b658a1e84ea520218c40d61a661ae9059

    Download Submit

  • /data/data/com.dmhgdwaby.ehntehrvj/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    188e2b3e6a89ebe5690f39c89e9dda50

    SHA1

    38e13f40b924bcc1f80af44f064c2b5a4fd23900

    SHA256

    51248b167875e804b9b69ac1bc235d9bce8014af7be8400382293dccdd8c79ef

    SHA512

    475f9f4ab3da1a1a6737b6f32628c96353476d43f8ea8cef265c7f267db5df148fb8487b5aed5132dcd765fbe491e73c8baef49837fcae6db8c13ad0fd9e3482

    Download Submit

  • /data/user/0/com.dmhgdwaby.ehntehrvj/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    6c596db936b0f065c4f1becd238e6f16

    SHA1

    b855449ef32bd6059c263d2868cc30f44fb8a63f

    SHA256

    3d73acf2546ab6200bb8b04d6f56cd4c5f2cd067297b36bba20ea9ded4b90a4b

    SHA512

    2b2b9c6eb9d6b43b2291772baa2cdff0040bc936d70f7e218c3b70689fb5688eee7b3535037118f9a81e3c8b333b406d08f64487b0e169eb4c6dccf23b117a7e

    Download Submit