Overview

overview

10

Static

static

6

913c3f5a4a...6f.apk

android-9-x86

10

913c3f5a4a...6f.apk

android-10-x64

10

913c3f5a4a...6f.apk

android-11-x64

10

Analysis

  • max time kernel
    129s
  • max time network
    154s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    16-01-2025 04:18

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General

  • Target

    913c3f5a4ac477a4d3b22828cb7b34c19bb483d76c9e34fea2c2c2a839bc6d6f.apk

  • Size

    3.1MB

  • MD5

    567b35b4761c2ba1d892138c301b1101

  • SHA1

    64b8e8d590402ba162fa2e8c446ec30de33d6caa

  • SHA256

    913c3f5a4ac477a4d3b22828cb7b34c19bb483d76c9e34fea2c2c2a839bc6d6f

  • SHA512

    0a42739323f2daf57ddc6aaad9aac292573505477f64ce3c89fe60ccab3eca36e4efec3a3f339cc27fb47537cbdb91af9b384fbe1842d0dd2ad30432c37cdb7f

  • SSDEEP

    98304:B05FVxjEHmnwGDKxlMMW7JUkk6dH8FMkw+/IzkCpht:BmxQGFDe+7Wtan+/Ixt

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://154.216.17.69

AES_key

Extracted

Family

hook

C2

http://154.216.17.69

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 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
  • 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.fsaslkasata.kuri
    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:5002

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

Loading Replay Monitor...

Downloads

  • /data/data/com.fsaslkasata.kuri/app_shed/LB.json
    Filesize

    735KB

    MD5

    19dd9a04c41a4a5079fc0fd01a463cd9

    SHA1

    5bf4efd520550528535a60cb96f997777f89f172

    SHA256

    b95d00de087834af97723dcad42cd3e28185ce239e9ae422ed96c48c947015c5

    SHA512

    2cd3187a11af71bc660df9d51e63640dd5353d3b0936f226f4106e21f382e1799843f4ed6c8d87ce3b5fe72c190795476ff6d57be4e538e703bbfadd0e4de8c5

    Download Submit

  • /data/data/com.fsaslkasata.kuri/app_shed/LB.json
    Filesize

    735KB

    MD5

    3d57a3bc0cc3f3bcea3bbabac2bf423d

    SHA1

    6e703b10c76e1cc8b2e85583383a00e42f56d4b4

    SHA256

    9cf0c3fe66a49d668c75a95b022592cd6815236f82d944cb9a472e0eeab36ca5

    SHA512

    e428afe928a93f2af1dbe82e88eef462e7beca5f0e268bb728c6da65273acdea37b1e65bc21b67e22a7a5d0ef74f7db06cd9c5daef8e298c98825171ebb1d892

    Download Submit

  • /data/data/com.fsaslkasata.kuri/app_shed/oat/LB.json.cur.prof
    Filesize

    3KB

    MD5

    807281edbea508062f1d65086d879bf1

    SHA1

    7fc77d8f8057957f91058917f02e82dafefd7256

    SHA256

    2480a3577be0737e1a2dffb0070c196ee646473649d481b37a490f69dbf5afe3

    SHA512

    06062018deebf9d8e19c20a89002a21a684e625b708028e625fecc5e809456d17d4586172e209b56a2a84e761e165d0828f6251b0cd450157e31bfc6cdb4ba5b

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    f57fbea9268ba38246f44f953966b976

    SHA1

    1766178c5e5b9b99ed650e74b411214878b593f8

    SHA256

    d4b0f35416d637a81b373d99e684f229c45d729241d16ec79a376899c3d190f3

    SHA512

    3023ae3ccbbbcf92c7e38acd1b437a7412a08b83a6798e30026f4a6a5cbbec3262bb04362d1a2058bcc7623d4b6409e296811b01fa31ed0bf2a4beb65e3b5c18

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    f3e47da14634d08d6e00a9652642c6fb

    SHA1

    dba54c0bd18af9b374d809bd99928de2e385010a

    SHA256

    267d9dc6246552fef909c34c09927f1a9b7fc1507bf5369b2e98c00d65393e8f

    SHA512

    6b1488f7b68a4d6ca10e956b4a5c8fe1704abd25d1718240f5257a607053cb4a0fea2ab70adfc4f0ee3b282b85dd6926d6f2f5bdd6bda05f168a2a34b29181c3

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    7bf98b75e99961bb2b2176bc07bc435a

    SHA1

    bb24cf27e099007603482e628608af44a0894ed7

    SHA256

    591d6e9b262b3e85d4bf1c7e7b1817d3b654bccb92b25f5879f2eb68804ca5cd

    SHA512

    18cd7acdfc71d9d5c03846d29dee3593848650ecb385cd14693417c94765928160011d049b464b0de0caed10cb1fa959426e797ee042a504e08e9d07cc3d880b

    Download Submit

  • /data/data/com.fsaslkasata.kuri/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    100631691de25962b52c06522e1df385

    SHA1

    9e58be068dd5db8ecc10a575783242a1d6170932

    SHA256

    4756571d940cf13f46f06b393ea495cef25f476d30b6e5c503a21ffa51065184

    SHA512

    517d9b88813cdc3bc495afcad031b9e504f68a461e0ca593447cfe0e82495632c11af6aeba86533fe38c281594e29baa035eb670ed35392256885f85ef36a90c

    Download Submit

  • /data/user/0/com.fsaslkasata.kuri/app_shed/LB.json
    Filesize

    1.7MB

    MD5

    9eccb01fd5e6aa747a3b8fcb38173340

    SHA1

    77a21894421bbbe4ae767c9b56150c22a380f86a

    SHA256

    3163ad11d263490feeabaf6d1e83a9cd4f5466a031cc012c02bee0212edd09e3

    SHA512

    740be2e7273890531c52d94be49ec71ec7045fd38cfcfd6330951125996266832ed2ac13369d18931e8659b251149f3793a3e1f8c66a8b457063b2083c1788e2

    Download Submit