Overview

overview

10

Static

static

6

d32bb0cdfd...c5.apk

android-9-x86

10

d32bb0cdfd...c5.apk

android-10-x64

10

d32bb0cdfd...c5.apk

android-11-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    24/03/2025, 22:04

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General

  • Target

    d32bb0cdfdbb1cfcabfa5bbab3a17dd5e31ae8c3f5fa509756e82503e07cfcc5.apk

  • Size

    1.2MB

  • MD5

    f0176cf2581a501fe99c39bbe0be128e

  • SHA1

    b5af9121fc0220e65913625a4a42bdf877ca5adb

  • SHA256

    d32bb0cdfdbb1cfcabfa5bbab3a17dd5e31ae8c3f5fa509756e82503e07cfcc5

  • SHA512

    d2820455fc0539c677b4705e8f156ab712bb820d957564ea41854c4db061e4b02f63040271898b4159d5b4a5d92eeb6f3ec1b16ae53512c655434095140e6dbb

  • SSDEEP

    24576:yYg/BsyImy7qXxRWIYEj60O7LNunLtsl8iAL3Cm:7g/HjyMxRWpEjzyMhRym

Score
10/10
ermachookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://aumvzxzebra.xyz

http://auvzmashinadx.xyz

http://auglogvnja.xyz
AES_key

Extracted

Family

hook

C2

http://aumvzxzebra.xyz

http://auvzmashinadx.xyz

http://auglogvnja.xyz
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 3 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
  • 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
  • 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.yelonuzavixanexi.dibi
    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
    • 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:4336
    • /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=/storage/emulated/0/Android/obb/com.yelonuzavixanexi.dibi/dp/dp-a.a --output-vdex-fd=42 --oat-fd=43 --oat-location=/storage/emulated/0/Android/obb/com.yelonuzavixanexi.dibi/dp/oat/x86/dp-a.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4362

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

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Process Discovery

1
T1424

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

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

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Downloads

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    bb53b5390f253fe871eec15c43d57ddb

    SHA1

    69441f8c48c2ed16f9b33c1dc02f40ba3845ad40

    SHA256

    4b8728b46fb471fe26885b89420717d500b4ef314d78c5faceb70d263cc067ec

    SHA512

    1cfbccb329e3266d184b1f239b940339454d40f38ccbced716cb93035a8a0590cdc56df927815768b060f4532fc44e6d9ab144bff01c703ef2b3345dd6c7603a

    Download Submit

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    413ac335cc6898e385e5bb80e8192b87

    SHA1

    bf569473ab33ca81960828e17df104facf4a083b

    SHA256

    474e5f50fff05d25980fa6f72e390288749382f0c8f91c618819906f8f7faec4

    SHA512

    e56fcb7042b5a7587a5ac5858caf9788939f6f4a03d4121c1528da6eff64966523aab4c46facbd67d27406f3af922206abb0d0ed1ba2f7fd3105d96ce9d5955e

    Download Submit

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    a6a805746716f442c649b03f63ed2464

    SHA1

    d217d3642f3375b9a33d93482f28a8c495080bb2

    SHA256

    53c521a37872b892e088ac42832fb49cef122b89f3b750c902a88f97ff3552f4

    SHA512

    df4197e5050c528f12a3d38066c264002809e76dcbfdb2badddfa0426da19a087fc2a3f38bb2c04b48e1a0e4dc24efb36363458d8326b8364afa921591289798

    Download Submit

  • /data/data/com.yelonuzavixanexi.dibi/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    ea1e40f1e4a0004c42e24f9ad9e69cd2

    SHA1

    278bd6ec6ad39628fd3fdce332402a8edff5e610

    SHA256

    2ae4f70fe71e717bba85d088e5c605c30f66b5dc9b0b168cb51f4aa51608db20

    SHA512

    dabaa46c948286dde10638c9ab379789aa40cf35675dbe1c10032900d2565682db9bb11ff301604b8bf37718d68256550528809de8af723d409318a95a8191cf

    Download Submit

  • /storage/emulated/0/Android/obb/com.yelonuzavixanexi.dibi/dp/dp-a.a
    Filesize

    1.5MB

    MD5

    88a96841b7e220f3cdf309edbf1518c2

    SHA1

    533fc02969f2b367a05b686fceb4ad345e3c2753

    SHA256

    64e0e1c95d238309991f0c473e9d830b5843cb2ecd7386d4b9882738fc22f3bf

    SHA512

    9c9bc50168a365ac78425fb411e8e06587c14f9c18eb1f8aa11bf992b798345559c02592e42666e6a3faa0ce60d116b80aeb77a9c3563048a5d18533a23320aa

    Download Submit

  • /storage/emulated/0/Android/obb/com.yelonuzavixanexi.dibi/dp/dp-a.a
    Filesize

    1.5MB

    MD5

    8a07e1c60a919464e63d408980b49bf5

    SHA1

    66375ac2eb2edffc5c27a02b44e80182a2c84ed0

    SHA256

    956f2fa404f83267162048e509c27b72af175069bba619d7bc1e513313b6121a

    SHA512

    057f2bfa287a7269bb57e329644b6599ea452b10a2bb18ee31933e37ce626a573575b5d81c0b5caf9861c5fd247d5a589c154b16e1c0823a3fe31b12e0e9a9a1

    Download Submit