Overview

overview

10

Static

static

6

6a4373c579...6b.apk

android-9-x86

10

6a4373c579...6b.apk

android-10-x64

10

6a4373c579...6b.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    11-12-2024 22:06

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General

  • Target

    6a4373c5790b06460bfa2d968db98d3cbd33a791ebf393e87fe1d934c391866b.apk

  • Size

    2.7MB

  • MD5

    9cad49661c4b6e06b938af272dbaac6e

  • SHA1

    923937c946b54b596ccd4d8d84a254089ddcb0cb

  • SHA256

    6a4373c5790b06460bfa2d968db98d3cbd33a791ebf393e87fe1d934c391866b

  • SHA512

    ca481f9f29cb1a221d0df72d20328e38729fbb18881cc61fc756551e8c2ab51a39b465d7dafad3a1c91d8980db49cdd35030c56b0bfe955cbf5ccdf210f9d8ec

  • SSDEEP

    49152:LVU0nGutqpL6S2R3CCgjXrg5oCq7L0rGbsi6U9IUnrEhiV5RTBdVFK4Z3Fzm:LVUAtqlekCOB0rGbr9/nrEhQjxjVFzm

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 2 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 2 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
  • 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
  • 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.xkanezasfkass.stardetxjkc
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • 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).
    • 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:4247
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xkanezasfkass.stardetxjkc/app_humor/oat/x86/Eeo.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4273

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

Access Notifications

1
T1517

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

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

Input Injection

1
T1516

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    735KB

    MD5

    74a0db9f551a6ac1a2d356b51771cb40

    SHA1

    9285104f857071808bba8bfc48ec485dea3d4acd

    SHA256

    ee74c74d5f25494e9894da3e4d369dac58469d5f190f17770fb2f8d1c5003100

    SHA512

    1f1e6a48cb5401ec51473b52cd4dd194dbeaaf6ec056ce75ec8a9438a6ae9569a93d2fd6ab5c5aca5b738c05ff3b53cac2806949efd707754887177c82a4d730

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    735KB

    MD5

    32165401ead484d5083bf62324ce6081

    SHA1

    e762eb85c737297d07c465e4fa64e4dcbd2b3bc0

    SHA256

    a9864db97884e59c235cb26dfd8ff4402ba5483a409112aaed88d0f57881738f

    SHA512

    e1956fa344abeb3c87c5a2d652520a6b214e7c03563a296628bf1189b5ef0826845d03311fabf74b355e7797a8510390c80a2d279d91a3cc9f6060ff92251bc2

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/app_humor/oat/Eeo.json.cur.prof
    Filesize

    2KB

    MD5

    29676fdf2bc3f20ec4ed85a7c6f0e7fc

    SHA1

    b8529c346adaf796ef580636821e62955800a119

    SHA256

    2132892a05b04db98c94aaa442acad2c4011dccbaed47ac2ae0a15fc1945b8e2

    SHA512

    d2faacc05ced2fce2cde98cdb0f304dad39640a0d82876ac4a446d8ab725ddec52a862061def766801833ef1984a6c9dbcd6fa266cb05e7ddf35172ec61e14fd

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/app_humor/oat/Eeo.json.cur.prof
    Filesize

    2KB

    MD5

    9475819d6dcf6a7bbc84058c47b86d4f

    SHA1

    51d362b781d0aef750b914dea2ceb2b2ad36478f

    SHA256

    fe2f02261a419dc89aac438eb480f282e0a94354e51567c1fda9681a2d12647b

    SHA512

    bb0c6869a6d328b8e0ac21258a8ca8bae5e04b0ab4b8092929a247917294037e91429cefbb7cbd3b520f54f1ff6a2e49c07cf2241d1c5beb680a1adee50a9047

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    fa8910bb9d900eaaeff43f8e841e69f0

    SHA1

    7690138edb42d7999bd808bec6e3a084da9e6f90

    SHA256

    42aecb18907ed4083880c0216a7d1c2cb72f31b4261d87294059263da8eeb8e3

    SHA512

    8c09f643085a7cbd7e0cd527be1cb40229fecc86a9010a13003715d71c1b4075069364d8fab3a35cd5953bf3a8886568bad52ecb2081188e978a62e430f499ff

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    785202b17fc32c3b1bb57afe9384a04c

    SHA1

    0f8cdf2309dcab74fcb5eac0af3eaa4495ddb876

    SHA256

    4885b091d3e3b85e2f29c6d2465cefaef52e22b0c8ee4ea688c5d0bb109e57c7

    SHA512

    1980f701dc6b248a97bd6f66cb6ceac5a1db02cf10991b1a633c1ff017f45463318f538963ece23c30c6fff26d4108239e639f1326a1961785f24cb966205720

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    9c91eb500c3544931439b98b0db2a9c4

    SHA1

    f04ffe1611aca0d2bc0bfcb8d4d4ec91621961a9

    SHA256

    be3effc3eb76a148adc570af0c360087d796cb4bc5bd4627a9c7906b7d485323

    SHA512

    e023b0a85f223b1aa59f25f05abc708663d7bf89197bc6887971fb00e699eb19257e0026c16ee892d60c500ea525ba30333f60e2847d3e5198f8e6da043a4ef0

    Download Submit

  • /data/data/com.xkanezasfkass.stardetxjkc/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    55b38d6ac1bc49c731129c682d55a91c

    SHA1

    b2d18b9ccce76fc5f2e86c2e903406127d8be10c

    SHA256

    105f86f24a6124a68592773f76002f88de4728b88a2dab2015b8c9429b7cbd5e

    SHA512

    1bf68ef39b2efc534ade84cb52ef5e5ce03a0c8a97763c8494241d6e3c86032e34b5437d92f24a162919198c3a8b8406bc74edb7e478b04f9598d0441614a963

    Download Submit

  • /data/user/0/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    1.7MB

    MD5

    f698f8ef7f444b929944a4bbc1a03b57

    SHA1

    5966595d1a0d74b18bd4451b03a6d825f832f267

    SHA256

    8ae18ebd03e7be8fbcc25d460722aa9abf93608766c500fa444106375cf8e21e

    SHA512

    265106602e9faf9d10072c146cfba9b29b08fc4c6b8f56d8b4fbef53882ea415b06b4759b66e14ead25d6c90d2d2eaed0a717a94cbe2db83a7051004af3e2c38

    Download Submit

  • /data/user/0/com.xkanezasfkass.stardetxjkc/app_humor/Eeo.json
    Filesize

    1.7MB

    MD5

    29de1580836815ff1f390f899a40455e

    SHA1

    c041386504b18ca59c5f31d4ee45e655f0fa4b8c

    SHA256

    be463e222a1dd530c8f1a2fa178e4c50deb4b8bb433d7ee15d66797df6ee240f

    SHA512

    c44906800e5622cbaff66ae3b66909cc0e042d12109f99587d07f2efd7ee229fbf44bb029944be619f7a2f52129a2b8866a1c0a6f7aa68b57af6defbd64b032c

    Download Submit