Overview

overview

10

Static

static

6

45bfd8f412...08.apk

android-9-x86

10

45bfd8f412...08.apk

android-10-x64

10

45bfd8f412...08.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    13-12-2024 22:00

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General

  • Target

    45bfd8f41285445153e72968de43bdc424f3aa89a8dbed8e4b7f65035fe9a508.apk

  • Size

    3.3MB

  • MD5

    def38b9daee0654daad2a5b04bcf70eb

  • SHA1

    09df3907111fed6bfa1ca4d2b1e19a98c8a1e85b

  • SHA256

    45bfd8f41285445153e72968de43bdc424f3aa89a8dbed8e4b7f65035fe9a508

  • SHA512

    52b691e6f952d2f181baff8907f24efa7c4d33e6c5b51a20b7743d7f0a2b5d3dd4c7539ce4c63a80d08ce7af3cc31e0ce6c0b149e0f6b5ddd8edf39de1f8c454

  • SSDEEP

    49152:Yg1Zs3sxmibDRMQiZdQpwT0WiKMoaEJtiPDcLmEc+UUzq0sdkEjIPJicUHqqS3rZ:Yg1ZcriJxMqpkrRecLbKj8JiBqRqwrVJ

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://mishao11jfac.pro ; http://vamir99ffkkd.info ; http://prebadejf41vv.live ; http://hopfvba01fv2.pro ; http://bibika821ga.info ; http://no4rekivax.pro

http://mishao11jfac.pro

http://vamir99ffkkd.info

http://prebadejf41vv.live

http://hopfvba01fv2.pro

http://bibika821ga.info

http://no4rekivax.pro
AES_key

Extracted

Family

hook

C2

http://mishao11jfac.pro

http://vamir99ffkkd.info

http://prebadejf41vv.live

http://hopfvba01fv2.pro

http://bibika821ga.info

http://no4rekivax.pro
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac family
    ermac
  • Ermac2 payload 1 IoCs
  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 1 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
  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    collectioncredential_accessimpact
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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.nanapusomodo.toru
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4818

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

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

Clipboard Data

1
T1414

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

System Information Discovery

2
T1426

System Network Configuration Discovery

2
T1422

Lateral Movement

Collection

Clipboard Data

1
T1414

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

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.nanapusomodo.toru/app_push/WteGMkQ.json
    Filesize

    699KB

    MD5

    496cc07a2c52d7d090737ba0a0881a7b

    SHA1

    7dcb09e067ca223a673c74b7b9e684d645c794da

    SHA256

    4b99a6645dde8ca3ec95e3fd49bc65027cdcd30f9222cf833c7d3f8c480d40da

    SHA512

    6a9fe7617f87a3c31db1dd1ee2cda1432b1f64a9d2420acceaf6e9fc0779867e72332e25f0a042777c520dd521168a61cdae70c710e4f4f21eebfc55a80ec894

    Download Submit

  • /data/data/com.nanapusomodo.toru/app_push/WteGMkQ.json
    Filesize

    699KB

    MD5

    1f453de88571066b50c61c004eb0cf3b

    SHA1

    2f5225a9113d9efa7b5d9d5b953b10d12a611aae

    SHA256

    1cbaa999d2077aa744ee2e3c73f6d35be965b67baecbd41510ea6ae475cfda34

    SHA512

    09b8f7cd96113b82e3306bc3b82ca0db687c0225e543962b0741f0605b3d3fb4bf946ab44427e93cc023a317abe280f6672abaca66dca574e861b673ab51ae8e

    Download Submit

  • /data/data/com.nanapusomodo.toru/app_push/oat/WteGMkQ.json.cur.prof
    Filesize

    3KB

    MD5

    d300e0604ecfae8098c82f955306ceda

    SHA1

    df671922b9d42f630434592e7b39d472e47c8fb5

    SHA256

    5c35a1ac77bd4a90d316a81cc7d5e50cfc1de47ebafdc105359aa5515dc685a7

    SHA512

    24c41fcb46c0e20be28297cd6b6011367ed6987215d14d5a625a73655f84c27de776c63f55e591404253c9e6dfb7ed1ee6ded2371c11ee72472864bc69a83905

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    766569c710ca9222d1dde4118b14910c

    SHA1

    1fffe70739fe06dcdeb6747267e1df81c3d46ea7

    SHA256

    f051fe742b7dfc1abf71d85ebbb8d8637ce659b42182a3748e9df41fc81162ee

    SHA512

    1544d9dd16f7557861e8835353a3fe520bbc22356b0d713221cda21ea225d29ee83e342c33e29e1409cde909aebef4f80d33baa422e2c62a5a953079fe5e0ff2

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    bb59e88285bee984c7f0eca909d8f2b7

    SHA1

    c89601e3debc7575eb8779e1c6e1dbcb07effa57

    SHA256

    bf887efc2ab411a981540ba9e3d3f4262e4a17733710ad32f93f78aa3bb1c3cf

    SHA512

    927ede13a2fcc64546131e1b5a99ed8fb3df0a734e68e85aa0ffb9280420db986d119916cb3f7b5ba18a19be7fefbaa3d85d257a195a1217944fdad11efb073b

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    0b313a5f2f8495069f3654c9e90768d5

    SHA1

    d8ed7f3a9f1d582616a82de08c1ce6e5214d0318

    SHA256

    fca9da243376a2687ae1695efdef91df2c8396681e87ac98ae47d808634afab6

    SHA512

    b94840a928186e9c92eeb1be329cfad730f99e5dad65c38f3d8cd04d8dc7a53933b4d49bc1be70cfd7567fb3f24b86f7bfabc7e54a966b602ac384824cbc29e0

    Download Submit

  • /data/data/com.nanapusomodo.toru/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f9ba3ee409abe332882d849782854e6d

    SHA1

    5a0b1054f73af1cce11c95236ed567ea4ec8ce38

    SHA256

    2ee42e1c4d6ea3038722d6de71e240122b1d7289c6b4b0e02b6ed35698554f76

    SHA512

    6239f1733df46be3949606c69de914f1e4e79d3430f948cc5246aeaf2a4ea27b81846be5794cd9a39ec0a48cf4df3ae1d137f3861a0371d00eab39c0a0899ff8

    Download Submit

  • /data/user/0/com.nanapusomodo.toru/app_push/WteGMkQ.json
    Filesize

    1.5MB

    MD5

    5ec0eb4b7e575a5e9db73e1af76e8f50

    SHA1

    038c4b14ee1807455cd6c23afaeb97a84f793c71

    SHA256

    16c218bcd5cd1e7c04ec173a1450ad6281cfd6259fbb5609dfde323a3757c913

    SHA512

    41d7a06369cb52eda03e1d37aea6f5bd038fce8fb73fe7529340d8aa3bdb4931f07610521dd3529e5f9f7756fde0f63d167793f90b591cbb977b15086063e938

    Download Submit