Overview

overview

10

Static

static

6

bbb80b2cd5...1f.apk

android-9-x86

10

bbb80b2cd5...1f.apk

android-10-x64

10

bbb80b2cd5...1f.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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
    15-12-2024 22:01

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General

  • Target

    bbb80b2cd57ba239d364509359782721dd5eb39e1922644a1a0132b14f6acd1f.apk

  • Size

    2.4MB

  • MD5

    e2c95647122ebab3b74d4a494f0670b3

  • SHA1

    da71e128814b4aee5685644c5ce56e81ac12e654

  • SHA256

    bbb80b2cd57ba239d364509359782721dd5eb39e1922644a1a0132b14f6acd1f

  • SHA512

    af8ff83309753c405aba1ca238e27b0cea9f4ab500c2b0a39f6deafc24f70ee15a2fcd458adefd31d0cb6ed4be2d5d5c5e4582117ad70129dbb50c0b8f8ba557

  • SSDEEP

    49152:lqcdrKaBTl02ZBl7a7ykjv5kYReizqh9PODLOqKpsrgfhXp5eX:ldrKMR02ZjbkiFPOOftp5G

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 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
  • 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.xkllmakramds.axckuiri
    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:4221
    • /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.xkllmakramds.axckuiri/app_lawn/fbXh.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xkllmakramds.axckuiri/app_lawn/oat/x86/fbXh.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4246

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

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Downloads

  • /data/data/com.xkllmakramds.axckuiri/app_lawn/fbXh.json
    Filesize

    735KB

    MD5

    0e27f7f3a65bb6a5851ab644d8f17213

    SHA1

    c290e970d8c43448196a03cc2262529b041fcd76

    SHA256

    0f33913227c941c5eaf08c44f1f981a24b8a8473a4a946e6a548fe6aaf4db083

    SHA512

    d9a34b0dd21e0fc68a75194bd9bdb269ba318ce0bb962178fd875236f1dcb89d51a613ef6574714224a48ef3ecc8e9aeb8b47b5827e61d9dfb837043b760113e

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/app_lawn/fbXh.json
    Filesize

    735KB

    MD5

    7be37ab5b74bd7a36046f17d212f9a88

    SHA1

    d667a3864a2170a6103e4a7cc1b6e59c83b5651c

    SHA256

    8c77fa346594d770a7294d13ba25a557d0a9277ecbf4eba13dbb39f5d0b7c961

    SHA512

    dd7f37510674295fa03e9204744302dfa997a89a21cc70cb510f871f45ff92185eeec97977c46091da1bb45121cb960e808fa99bb3ca059c065b80ffe8984101

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/app_lawn/oat/fbXh.json.cur.prof
    Filesize

    3KB

    MD5

    97fbbc9b38e003580de64fab01888546

    SHA1

    08de025fea2b600f6d7ffe35bef380078ccfa093

    SHA256

    4f37a626c1229c319ec20ce4f599835efbc4521b4076e19680095c38e9414aaf

    SHA512

    e419f6506343940e27a5e29020e8b3faff20bcabef717d0bd5fbbd318778e3415ce58b8e0b65d2cdfa9616f60d19bfd8875bb3eef3a9031adc05d446f8425e0c

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/app_lawn/oat/fbXh.json.cur.prof
    Filesize

    3KB

    MD5

    83588d216312e26bb4137c033373d506

    SHA1

    11c6792a0ca4084e37c4dff3932a46c15030b7b0

    SHA256

    d9514fe10825534670fa7179acc33787850ab3f884ccf421aa05a93ea7613364

    SHA512

    95582523e32c57424f92d637af1637f3d9830909e27e36e2a7a3a46a79f2a0f81b64b1db61ba625586c42ef9751baf8d61d534701388a4ef12c587421905e386

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    4aa22eae000de4387d982dd0ae372e3f

    SHA1

    7606fed7d3307d1118d6d2d26a4a15a12676f699

    SHA256

    a4e9d0380fb26cbea846df4eb43a474d16f0c355f8ec449334364775f2f48f3d

    SHA512

    3b65f525ff74208dddf28c1468a72507ab3c5f8776fc323a2c12f9a03eee5d36eaaa19917519e3d6332ec12e5f7743df834476320e30c17baef5afdbb5d8e8c5

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    68552ef6da425d542c53447e7c5728cd

    SHA1

    ddf49a5f230fb1910d3f23c2f409b6dc399587eb

    SHA256

    ad945e3648d4ac033bf8df18b2fdb4919ef9cbc8b2c7d8daf74c7371ae664816

    SHA512

    820b4148bce28ba0d30225737b7876ecf87a89d0b1909185acd9427ed1eb316bc56eb10edbd560cc0c23f8be876600d8cc97d508d8dfa38c346d933971f67b45

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    24d89ed28aee7ccad803567d2f487754

    SHA1

    cd34c71ecbe96ca33bac116586a4b1efc684fd8e

    SHA256

    1dd4b30948208b1fa869d5ad6f37091a170c665cc39ade842ad46751908c43c2

    SHA512

    3666b147754fc9420ffcdb8eafce1a7744d2f6feec4a0ef0eee778cd87122e8bcc2bf34eda27e5ea8b85473e6ea1c4d6bafe5a638b9e010c9f63330c596ebc69

    Download Submit

  • /data/data/com.xkllmakramds.axckuiri/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    b5f919ab56f8f40e35eff4ba5d6ae946

    SHA1

    c0b86f199757cce087881b632de5b307d87a5a08

    SHA256

    ec5b2b8c1822b887935817cbc83fc9668ddcaa8c239d3b3cf286ac458712bafe

    SHA512

    448b9650ed6b95221347ed72a009fe7da010fb41b0cb6b5004f00795e333e25eb1369144327d003f8fd4579fce22a2c5f5e5e4d3a1aa68330167170904b3b254

    Download Submit

  • /data/user/0/com.xkllmakramds.axckuiri/app_lawn/fbXh.json
    Filesize

    1.7MB

    MD5

    b1c46681d2274e748503cb9dcf02d082

    SHA1

    5b786676b376f83eba7828d828dbe47bc0a55515

    SHA256

    9dee12d092b51760a311a72d1c2e6517111b8a0103297d5b834cc896ac1564c9

    SHA512

    7fa55daac71dc37759047a74cb20b76bf355e8a6f40691b76bae78bf4db592aa01247af5b056925dca711e5667044e97dcd132f1ebed77812007dec2ebd5d5d5

    Download Submit

  • /data/user/0/com.xkllmakramds.axckuiri/app_lawn/fbXh.json
    Filesize

    1.7MB

    MD5

    b4fdddb3b461b42199b8ffbbd085daca

    SHA1

    d64bd1547a3e1f4ce76cf5fb59a9b0ee1a8e0646

    SHA256

    aeb7cd946a8b832e5bbdd3250a4b319a4114114457fde917dfbb50ff79e45c4c

    SHA512

    7853bc5bd0ebd33f7972c2143f303137366777b794bf03c93ddf4f51e8844eaaf1dcb892c5322be6791dc8a00301783badb895f88dad91aa64a2bbcca90f9d48

    Download Submit