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Overview

overview

10

Static

static

6

ba028c9e74...a0.apk

android-9-x86

10

ba028c9e74...a0.apk

android-10-x64

10

ba028c9e74...a0.apk

android-11-x64

10

Analysis

  • max time kernel
    43s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    13/12/2024, 22:05

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General

  • Target

    ba028c9e749f39cd2a3e4f6359c86dd1f502c2a35aa36ac1d867ccf66768d0a0.apk

  • Size

    2.9MB

  • MD5

    92794bec5a084afaf1563de33abac893

  • SHA1

    40a62d7177525f2e6c4c723393e56ad1741c470a

  • SHA256

    ba028c9e749f39cd2a3e4f6359c86dd1f502c2a35aa36ac1d867ccf66768d0a0

  • SHA512

    fcf6216af716d53ea777a2df43df96c0ede85cf8b676028170801a0e16776b9f81278e9f4ffdd7b0751ce9ae623e7347ed7350feff18348bcfcab69c313ffbec

  • SSDEEP

    49152:/brrgmkc1qJpqvnKNpuye976B/vPZwZWgg7TuR7jbv/QapfL89i:zzSkMuCB/nSgggOR7HRfQ9i

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.19.93

AES_key

Extracted

Family

hook

C2

http://154.216.19.93

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 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 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
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • 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.xskjlrfapapkaraglzakasd.staretxjk
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4502

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

Access Notifications

1
T1517

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

Access Notifications

1
T1517

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.xskjlrfapapkaraglzakasd.staretxjk/app_screen/nXp.json
    Filesize

    736KB

    MD5

    8601314621f3bd268939eb6c2a97697b

    SHA1

    23079954a48c4fef9987ed12e9479bb34a729038

    SHA256

    7427f33bd47d035ab3c4d31ed9d697c8f4d1f135fe64ffbdba4640d6a214e173

    SHA512

    bbf94216917903b73c75568c34311f0fdc6eb520786f310baddf0e179332a8ae2752b36261b1dea256793b9c2a733356468996796be220aa070ea320de120fbd

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/app_screen/nXp.json
    Filesize

    736KB

    MD5

    6c629910b2e4ca807b923f9ab3ed82e3

    SHA1

    91893959df0167529630b4f1b57c5ba180168fbe

    SHA256

    bc81607f2ff10d5148eda8eb646284c0b3eaa0663a741fb95500bf5c5a4f2688

    SHA512

    fce5df857953f66e786963eb915404c4f29bc72bbfdc07a3c6e5e756da6f1c434383b4e71017bedc26fe1219cb690395b68938a7fc17e0bad8f983c4ae509137

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    02287ad24980e6482943e415cc8cedce

    SHA1

    767b1c0551b635951940677d2f86b9afbca5cd2b

    SHA256

    e0792d4d72832e2ddcc4072593abad819407cf01c2cc3b0a8732a291d42262cf

    SHA512

    f0b3685b40df87953383a5fa0652e3d5c97d1d4a4dba3d21c1faa0e54bd975109b9a9182e5cd72d8fefc64e9d58794a41e680d1f78b4a66ab950db9040b94d1e

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    94a3bec5af4d8e88cc08aa4c91125222

    SHA1

    db95e5da3d2e2df3b1f6d73fedd68a826147e095

    SHA256

    dcb99e8582b3968ae11a2d1051c5edde920926e7d3ccd4d4c5e1579990c9371c

    SHA512

    1daa57a8c609c233a195ee2e77e6e9b9f1e12c770c0c68c3f21e3232eff920585ca37065cac67b3e696634c4dfbf6bde699e8232a2fc5b1b52c3381736bb0baa

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    2d36adb5d3a16dc0d34f0a8018a11fd6

    SHA1

    b2d6d415d1858995087a6b585bb05e81731d6617

    SHA256

    e81445d58bee54ac5b369d903710e10ccef94e14c80df7772251715ec5d9a5ea

    SHA512

    00283b4acd1ef1a64a3fa9567df707b1bcbb197c93b1ee34c4125fdef8c3556d890e1d8ff5c2e3eb6d046ba691bdc6f940e7ab384fa92b56ac02a95a6e96dc7c

    Download Submit

  • /data/data/com.xskjlrfapapkaraglzakasd.staretxjk/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    3ec126686aacf364014e34364fa77bd1

    SHA1

    081a81f094dff237829e3dae73f3a7570a7a3146

    SHA256

    8ad9aee1df257ab384860f12bda7427459f220ea7f7c94f95ea9c30b9559c5d1

    SHA512

    2a121d4c343689921a32b55310e4491f719ec0e0a273fef258fba974569bd27b4bbdf053d4a24e241b0b37fbc463c7e8c43176a9e9361b51cd53399b4cd7c69a

    Download Submit

  • /data/user/0/com.xskjlrfapapkaraglzakasd.staretxjk/app_screen/nXp.json
    Filesize

    1.7MB

    MD5

    ffcaa9e688b50ccf1b005883919c9c74

    SHA1

    185fad91d59541ab6f803f597a6211e175bdf954

    SHA256

    d60b15bd863a547743f5862075f3bfc4faab3588775ccf345b40ac8f0f6ce767

    SHA512

    9666de529f3fe843c252c489662bac2f54270dcbc10705abcfd68f808e124f7fa58fcd7509f574df56420f5227c2d132dacf41ba1b4e8efe05373c4f21ff2299

    Download Submit