Overview

overview

10

Static

static

6

aacff9d32b...7f.apk

android-9-x86

10

aacff9d32b...7f.apk

android-10-x64

10

aacff9d32b...7f.apk

android-11-x64

10

Analysis

  • max time kernel
    36s
  • max time network
    158s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • submitted
    14-12-2024 22:05

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General

  • Target

    aacff9d32b16471cd14ed2cf27430d9b1e5649d194bb8d8372376322d7fc337f.apk

  • Size

    2.8MB

  • MD5

    c7c51f91437f54b68b54da95f6d2fec4

  • SHA1

    cae0d1caee8f7e1c2b30263c835f13ee7cc72395

  • SHA256

    aacff9d32b16471cd14ed2cf27430d9b1e5649d194bb8d8372376322d7fc337f

  • SHA512

    a613f6206a974835c60d131bc9bb9042a5ff55c7934240e078ea219e66ef2ee03176b867c48909e78504618b1fcfbb0b8a9743d0ecc979fc10ebb60644caf2eb

  • SSDEEP

    49152:bnJrgeSxCCALNz+MzmMbNRHDFQxA94Ou3ZiwuNlYGZudEilH8NGDpq5A7KObyBzL:bnzfCMzTbN/QxK4Ou3ZiwuG3csFq50b2

Score
10/10
ermachookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://adsfgbkapmgnsdvbr.pro

http://adsfgbkapmgbrsgsh.pro

http://adsfgbkapmgdbshb.pro

http://adsfgbkapmgsdfbbnn.pro

http://adsfgbkapmgdsagbbs.pro
AES_key

Extracted

Family

hook

C2

http://adsfgbkapmgnsdvbr.pro

http://adsfgbkapmgbrsgsh.pro

http://adsfgbkapmgdbshb.pro

http://adsfgbkapmgsdfbbnn.pro

http://adsfgbkapmgdsagbbs.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.

    collectiondefense_evasioncredential_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 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.

    defense_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.tocagesucivoya.majo
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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:5138

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

Clipboard Data

1
T1414

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

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.tocagesucivoya.majo/app_rotate/wWqUWlJ.json
    Filesize

    691KB

    MD5

    af16d4c3922521886b2955d6b800e291

    SHA1

    e576e82f7323e7b0d5330fed95f0fb28d0ef3069

    SHA256

    ae7478e56436ae61d114646df78105c6da7ed8ae4c53e5dbc71575820c32b2d4

    SHA512

    e4e853de6d9368e63bb85e484aaabb0c55e981a98ba2b4ddec2a9d0b7a430806d959f7e2e90e94b486c0e396af827b403ee713567c75528f59acc350b5458d37

    Download Submit

  • /data/data/com.tocagesucivoya.majo/app_rotate/wWqUWlJ.json
    Filesize

    691KB

    MD5

    417e8c6eadbd84bc5a150a13e9fb1dae

    SHA1

    5f367676dd413ae3c554816054241c0e51de53d4

    SHA256

    4b77eefd513318eb812d8b45bb0de0850a303de2705d59c470b68e083497bd8e

    SHA512

    3ff5c9aaf5132186244381cfcdd968b63d4877161425d922ef8978a5e8d1aa51b044bba4cbd6e05571f6a59ec34e676bf487132f45dd9f4d1315c8f6046ea69c

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    1d242662171b538b7ad345790b2ca8b9

    SHA1

    674c4c4a514f900a0c790e87e7c974e96db8b9cb

    SHA256

    2049a2e1dd6853df5ac6b1beedce43495fd4dff1e6c8787ac189ef5981d17ed1

    SHA512

    ceee5f7d5aa0fd6ba7d07b4ab08ee5d38b9d648820b18d97555db81716e31f702c977cccfd1dbac5fe4695c2ddf420117473d3c9c093b18aa64fed659851b9ca

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    b94f89066426dc321f818a0c267b5374

    SHA1

    acb99da33b257e3378eb41e16e6a3719aaea577a

    SHA256

    7043f1c94145ec417b48bb45114890cedf707168e64840ab8c770e5f94e6c5c3

    SHA512

    0703447cf32a86d0d05194cd820abdee80b889dea0a08454fd257b40f58c892dfe85e6b5428e299427e3460ccfed7263ffe7b916236040227b825f466e5504e8

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    cbca51e6315531633a283e2809a498cd

    SHA1

    fbc4216a6979890f5e4e08ee96ac22a71258e56e

    SHA256

    f4e956e6ccadba4dcd292d19c22f018e65be9366fd0bc5eedd3339a65cb31108

    SHA512

    17353352c6df44b2816f318594f9586bbc0a403cc533b44d127c66da6490659429d77d05b3e30e227add2806cee7b372ef87f8c2d051cc2ee79148353b3c500f

    Download Submit

  • /data/data/com.tocagesucivoya.majo/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f8be69ca3ed72988eadb59992950aec9

    SHA1

    6bb684f09d7895a43c7029116de9f0ef38bfad24

    SHA256

    388489125ddc5393b3d00036ca828e9545d8f105b7f6757a910cb00aad5bd0de

    SHA512

    2f6c6a93f91628338251d6c00d757904b8b7dcd1af01e8bb00d24fbf7be49204807d354610ff5bf4e73c48aab4db194a01ada3e307c72bb747aad756c830917c

    Download Submit

  • /data/user/0/com.tocagesucivoya.majo/app_rotate/wWqUWlJ.json
    Filesize

    1.5MB

    MD5

    cc3f7e15e6ecf198c853329e3de827af

    SHA1

    bd019e147a78453338cd55cafb54ede8af9d054a

    SHA256

    5df7d54bac53e838adaa098a5572e08d97d2af20832ca5a06bceb3bd1f7de306

    SHA512

    f75f96e217fced75326a740d39b97e24d1c30ac6b33edad39d77e34aba6a7b742d1c07d73b90e528b74e310f5893598093fb8140ce8f438daec897e2099d258f

    Download Submit