Overview

overview

10

Static

static

6

0ab241d644...13.apk

android-9-x86

10

0ab241d644...13.apk

android-13-x64

10

Resubmissions

11-01-2025 15:43

250111-s6cpdssnht 10

11-01-2025 12:22

250111-pjx52a1qdn 10

10-01-2025 22:05

250110-1zngbaslfp 10

Analysis

  • max time kernel
    113s
  • max time network
    902s
  • 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
    11-01-2025 12:22

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General

  • Target

    0ab241d6445921cda7e297e2ff2d4bda7faac91e2bd7af50e2459b5bd77ae813.apk

  • Size

    1.4MB

  • MD5

    8483db09f538d6728f8b81ef87cec401

  • SHA1

    b7e85b13461cfd647e3f33f38693ac33079d0619

  • SHA256

    0ab241d6445921cda7e297e2ff2d4bda7faac91e2bd7af50e2459b5bd77ae813

  • SHA512

    024ac52d6d2f0ad23ae7bd2b4d06acec24bc545e57391b939b12833b4df33509a1bf736341f37a7e0c21847788513011b1ad1d195f4fc28db707a42cfee93e6d

  • SSDEEP

    24576:gg/B9YJgCe8R2PtRrRDZ7nQXjp+UMZCayqoonZLiF8LjxejwUVAUf:gg/wJ9e8cPtRrtZ7m8UMZC5qHZLUf

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

AES_key

Extracted

Family

hook

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
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • 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.

    collectionevasioncredential_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.

    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
  • 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.herunawumepa.kapacagi
    1⤵
    • Checks Android system properties for emulator presence.
    • 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:4260
    • /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.herunawumepa.kapacagi/files/arm/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.herunawumepa.kapacagi/files/arm/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4284

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

3
T1633

System Checks

3
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

2
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.herunawumepa.kapacagi/files/arm/classes.dex
    Filesize

    1.5MB

    MD5

    49e3ca3665ae59ba0e3bba4c7c8c9f80

    SHA1

    de0d782e3a6db0341237221d6317d09cf4f489f1

    SHA256

    a2494475153cfc6d387be48078bb4a5960d5619fd47dcbfead44d8d9ffd0c42d

    SHA512

    07d1663836799eac04b789529f0111da35647d72afb597a7280c5821ff0167f99ba889ccf190d20f0392ed76bb7866ca2f1f8981a3842399cd0582ee4c4ce953

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e7edb0b6b640cdea3a67de187d513629

    SHA1

    f5959a9d6b569dacb724469df19e3dee9b72332f

    SHA256

    e83f78641a0008412467c6272123b50b04f0e41bae37976aea535065ba3c0642

    SHA512

    a427588d6137ba776e7dbc6d78e0d05c0e7ad4d61cbd181b00b7273cb0d845974df6ea0e5e13ebdd5f8cb6150499662f2de1a2e71d5265cad208a9413c5b9605

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    466ebcdaa869f8fc74df62e18cb62ff2

    SHA1

    0c9ae2e4d3f2ee5613bc8be3aa309a061eab5660

    SHA256

    b320231dd00aa31108590b6596794a1a6cfb57ce5268a28933f8de2444f017e2

    SHA512

    7df86c4e9b249b0d695e7b31d74917671a7815e874ea977e23822c99f6ea09c3dcb65eb96d1f0ad3253630d861b734f4a9d664022500ff390d48321f1e08d895

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    3b946c54aed2fd2fd17ccfe1a150827b

    SHA1

    5ef8cb7d4e1bf4120fb17e634155b3583e97c55c

    SHA256

    3db317e4e9269d4bae7c70f0db114529673ccc32fe391a1c739dd889af31be05

    SHA512

    91099dd28a3ad3f42f81563622dbce8f855b35905138f880dd45600f768799bf8f4b0cd25183af7f5c950796725302844e446993541f205057c02e1ce06d0086

    Download Submit

  • /data/data/com.herunawumepa.kapacagi/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    0fc8f78bc0b24ff8e76958fb27bf077a

    SHA1

    b02655c2fd81d64e1964d1bf72d10ccd009e5260

    SHA256

    e8fe79faa103d70f039c2a63442d61e7cf463f66d87c92bfc6c009f0f7913b83

    SHA512

    742cbb945ab89846f726e6ad78dcec5a7cb58bea834a0a7bf592f39e2892c4135949887f66e410e0fc5e9a28bccc894e0fc414658441de797dd75746e382f427

    Download Submit

  • /data/user/0/com.herunawumepa.kapacagi/files/arm/classes.dex
    Filesize

    1.5MB

    MD5

    0517e7a2614a5758a143e66f2a1a3ee4

    SHA1

    100bc7555d728059cecb662aa96d745cea830084

    SHA256

    b46d4aeb78fe0cfda217f9b3556705505a513d47ed9a2f69c6fbefde28ccb2b2

    SHA512

    02057c83c2a015919866f8ba1e8616f4008e1bbfb5c20d6f276898223741b217d302f721a682b2e1b964869568642c8589a7003cdca2010041f2b99aff6130d4

    Download Submit