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Overview

overview

10

Static

static

6

f5b14d5b06...e2.apk

android-9-x86

10

f5b14d5b06...e2.apk

android-10-x64

10

f5b14d5b06...e2.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    29/09/2024, 22:05

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General

  • Target

    f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2.apk

  • Size

    2.1MB

  • MD5

    32c53b6ff8f3f834e554321b385810e5

  • SHA1

    b3bd943262572ce0705fc8e478cacaa5bd62f6f0

  • SHA256

    f5b14d5b068f5f0b4ff0ce54ebac9d16fe57d1dfbe571441d11f8ad014d38ae2

  • SHA512

    8ee411658b8e92adabcbdfbf614caeb93f89151468d1669228415852bb909180dbd4982773d5cf0926c24f7ddbfc8f6a6b9931e321c9b049d75c41540f333ca9

  • SSDEEP

    49152:zkM0799ib9i7ARHg8nCUpUm4g6XGv8pyw8hrHYxEtFlL2:wM07uUuCUWpsA+hLYxEtFc

Score
10/10
ermachookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

ermac

C2

http://91.215.85.23:3434

AES_key

Extracted

Family

hook

C2

http://91.215.85.23:3434

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

    bankertrojaninfostealerermac
  • Ermac2 payload 2 IoCs
  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • 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 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
  • 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.wiwolasamiwa.remamiri
    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:4257
    • /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.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/oat/x86/skOQy.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4283

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

Loading Replay Monitor...

Downloads

  • /data/data/com.wiwolasamiwa.remamiri/app_DynamicOptDex/oat/skOQy.json.cur.prof
    Filesize

    3KB

    MD5

    7b0fb349a8229d1259eef014a9e78099

    SHA1

    8b54ae68ad3445d8604dc3c65545ccc421ce2378

    SHA256

    c367624c8bf3c1415da0b8be37e318889fd3e2da0e7663b4671240541c4f27b1

    SHA512

    e8b56526fe267d33c84fa3a1d0b1106dfd650369968ef9e2fe925c3c2fb40e27fe6fcb3b3a7ec48a0a07cd059451bc35e01f7579756867749378fd44aff52544

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    674KB

    MD5

    1430239d90c4327ed144c387eda34855

    SHA1

    603a1489f4c358b8bf87cdc74660e4a82b869c09

    SHA256

    f37b8b5f098f87294442ea894a3fe91043bfed45678540bf0fe38aa80c2bc983

    SHA512

    c75c0c5c485da5756bd2123fe0655a5ccfab46965b22d31ab6c96c20bf98aceb7f9035f75d993e0290f3e691b584398143f3ee362400c92ecf055143ea0a0fb9

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    674KB

    MD5

    6fe1776cd523d56d09d0d5d78751492f

    SHA1

    0337efc5a8b75a1884a9d0aa351548ef815a6707

    SHA256

    6f2eeb8cc392ca49f02d14b875687b5046162a3846b70552e65c46e0dcf0a3e9

    SHA512

    a609e48e625ef3e61777b68971eb299696a46aeb1260413d13bff77e7ac2f19aa7f4f68fba3f5a65d1cc58d36dae8af7b056f5b9c25db748b4a6ff110846ab92

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    824d5d01c142138de6293a741f16263e

    SHA1

    2b89e6ad3ef89d9df2a1dad86ce35559aa6d9993

    SHA256

    f4e97c0c59da80a51b8b031ef208f6db811ea1be312521bd94b17565b31524e4

    SHA512

    1d64543440026de7feb485738fdd6e7535a95e400fc01ae462fceb34b773bc2891ce042483edba7687eb3168059bef87281ee5c32c26f2cfb3d503ee32d39b10

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    b0b295f10766f0b59de03dcd4ce91a1f

    SHA1

    318a132a90370857d171e3a38c63991caede8fa6

    SHA256

    0c60c89a0836cf08e3958ce4c5fb7be9315054821d3ba1c4c4763ac6db1b1d1a

    SHA512

    fe04ff9ab6d41eb7c056e019befedbbd26e00a5c8c20735d684d7981418a3193a006deb5b29c981cb9c43e5ddae794d44a657977158d9179c1ca3555a832ed70

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    de2e03017962631e9d3494a736b6bc79

    SHA1

    80cf35c1171bf70a5acf170747e676377b9222f3

    SHA256

    26f6bcd1677c31206ca3c1eee5aa24b4f7f034fe9eea5f026601ac1b2f9934a5

    SHA512

    c5bf8b9e900827575c06aa3687df3cf0d343d670f55fcff94911a7b775aedaaa08fabacc5dfe58c5a069bc7b097c8a99e19fb6a1e8869b70c01ec9c7e0787253

    Download Submit

  • /data/data/com.wiwolasamiwa.remamiri/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    0c15b6aef0f6a90d5175bf4cc12237d3

    SHA1

    0efb5f48f7339e753c399ec40ee952aeb3282c6d

    SHA256

    d7b94839c8b57d472f4dbdfcba717077a979e80b387c47ff461b637cde4d70f1

    SHA512

    42651c901fc82adcd2b38894cf325ca4d52b08eb0cfcbfc7e71a7ed7a55bcaf393e7ad12e182b21970d1bddc08d3f580dbdd138d9b883712d58276d62727d879

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    1.5MB

    MD5

    c9fb66bf567501c7c2cadcb20dcbd74d

    SHA1

    bd43e6234b8c13701aed88350347abf59b0f4c92

    SHA256

    72c032a8b1982ab5978637f346ad8c0ab2fd10d06972070c3fbd92b7d58c187b

    SHA512

    b415ef4b24b580d726d4d6033eea78de1b76396b27b78cf3e125045f99f305b454441453ae0442083ed99b65157c055fd9d664e2b11672eef0a783135c5a7cc9

    Download Submit

  • /data/user/0/com.wiwolasamiwa.remamiri/app_DynamicOptDex/skOQy.json
    Filesize

    1.5MB

    MD5

    342a8740740fb866f441f4e1e6c5c66a

    SHA1

    172073e7d97a040025fd2a80ebcfde7b7b65a573

    SHA256

    264d2ce4a7c6c59353086bc006d0c7cfecdedc2d2926711cadd1543762991581

    SHA512

    640726dbe29200cf7f5daeab8d678e2664f9e672d746f630ca5aab76d2d4e189e5bdbb2552f5650755694e744d7f310418ab30eab1ebe3cc01f7d6c4ea177461

    Download Submit