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
    149s
  • 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
    16-01-2025 04:15

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

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 22 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.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)
    • 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:4517

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

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

    fc5ad27f8edd920d566afcb19109e55a

    SHA1

    aecdbd57282297cbcdf61baa94f8d43d01ba22d1

    SHA256

    40bb9214a01709cff74336ff4579fd51dea18e88a7da20f4011ea6c097a3b5f9

    SHA512

    ca9235d3ce08551c75e0419862ff427a8dff5945a71575d014b1f14056e6ee65a50b999daae7efc535cd29181cfe42658777553198f5f58574f40182c58db05f

    Download Submit

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

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

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

    512B

    MD5

    49d46735dda6e0def0e0f3f02dd38c9c

    SHA1

    a7dce2720734892ff651c00a84ab25066ef872f8

    SHA256

    84961f564a1914855e1d6b4836ec8fd0081db545f66d809e804133fea8f5d535

    SHA512

    9f9b518f2a8a6cebc57e57eb6c7a7939db63fb54dd224f826121882699fd16f3e47c02f391dd68fa6c05ada5b7da30da462bb758601772b5dae9ef7b9c108e06

    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

    a3f57e115a6ec6c57b918cd1ea8f7c66

    SHA1

    b06c30da768234ead9ea934e5466fa89a4060306

    SHA256

    a625109db8e1f21f11505b46b7f7138d469ef2b4b775e5b55c68fd7a7fe417bf

    SHA512

    a792d3c75ec4f16ecb05357fc968af8c9be073284787e09d8c4c12c9bb9634e6c4f610f43ef473dbb16e92a7a3ce0f6fc68f446b78663a317f7eb18baea1e24a

    Download Submit

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

    108KB

    MD5

    0f012d2c5c19972c9a63be03ced2981e

    SHA1

    3c3dd0780d5a5a27fcd69a47d8975c5415b40996

    SHA256

    6178ff23e4bf8591ce2780bfb5129d7622a2d7d6ca54534c0b839a3559d44044

    SHA512

    054053daa289dc5a9f33e8629bc03d8dcf5b87a1cb5940e91342497170130566f73bd7e499344cc8adbb55f6751e46d75f21d3d1d24edf2f2cd58f521bec0cea

    Download Submit

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

    173KB

    MD5

    685c5718801a6b1c460032eaf415b0ef

    SHA1

    bcbba5888a1c6c4f54180b7d41df021485c2fd07

    SHA256

    874b3cb869e624f9c5953a71c6cc5a06c382d57e803676f3729c6bebd4289c93

    SHA512

    db5f1413200c48a29d4134526b4466b4f2207aa77281ffd31ec7b28c5a35296d268d58004addcdb3f48907f738423fca5bd33f4a1c80caf6c6001ef06f695ef6

    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