Overview

overview

10

Static

static

10

2d19cbdd42...56.apk

android-9-x86

10

2d19cbdd42...56.apk

android-10-x64

10

2d19cbdd42...56.apk

android-11-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    137s
  • platform
    android_x86
  • resource
    android-x86-arm-20240611.1-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
  • submitted
    15-06-2024 22:07

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General

  • Target

    2d19cbdd421ebf5024a12f4380d870d127a8b9348d7ababcced56c1bb8702956.apk

  • Size

    1.5MB

  • MD5

    b8a90d312d6d9acaa2ebcec019968126

  • SHA1

    558dda73e42412b4bcd122557f2d4ccde8a2a0c1

  • SHA256

    2d19cbdd421ebf5024a12f4380d870d127a8b9348d7ababcced56c1bb8702956

  • SHA512

    3a9192cc3cdf0d7d40b3daac1cb94d5fd47dec401936ea598bb5f36c03443a42ad7ea056ce4dd451ebaec1ba4e6d36c776db9b9d111a86eaa341f3ea9f13b6bd

  • SSDEEP

    49152:yNegqYuOhCwDsH1q5eIU/soZwnmNBIUdH:y9u4V7X2sijNzdH

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://URL_CONNECTION

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • 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.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • 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:4258

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit
  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    1f20b0b047ee2d6866bdf4ba18e51f8c

    SHA1

    b8d97366c5609b4a4ea0bad227bdcdefd11bd4b5

    SHA256

    3670ca6ef2df6bfe9d4118aaea5fb2a4f46b1c360147bd4a2349fe55e05881b9

    SHA512

    3cf72bb827bba6be602f20d583a1fe98fb52d12067a0902c593adb19b3f33ffe4666c369c35c55485f072cf3d0cc68aaf8a89e5bf6ce6f72eb8d89a7a22784df

    Download Submit
  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit
  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    10d02f81e083c8c469c5699943289ea3

    SHA1

    394d8f189066d7ce7f36355d7ef3286e05fc8045

    SHA256

    e090758f7285894cf387650140b8b4c0f92f86d8e0b2ed612e1f440a1472334d

    SHA512

    fa70fa270d7221c18a5dd525be5c5bbc9d2f25bea808dab013b65a2e45e3e2032dbf3ffed30c0a6ca1617160f50b6795283a50e5262b3e1bcec9ba222d92da8e

    Download Submit
  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    112KB

    MD5

    dd8ac34d65ffc2b738e96dd3e130c43a

    SHA1

    cf24bcefb4c2eec9d484d5e75aded255f56c7094

    SHA256

    78e21c103a115da77c9e597da1c577af32e3a71ee6ef864dd8deff0cbda0f28d

    SHA512

    61210880c4cce52f1fc17e509d26168c7b5819078658ed5f41962d49a89e319b0bd6a5cf5166d1cf09aa5db58aadada048342f36ca921574c66b787e5a18cee3

    Download Submit
  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    185KB

    MD5

    8d906c83c3ab5e7da1612a5811963707

    SHA1

    b66b23e0d86ef1327a25ad9acbe6987d3f133269

    SHA256

    3685b2a2e0d96260e5c39a6018d1e7543ef491e8d9155081b6d7ade3e882d736

    SHA512

    5bb822874dbfdfbf52f118408bd85a3532563bc79f88d2e2f01f9b930f655a044de9aa2a6a51116ba7c57a23edf04e5dc5dd7cf6e0fb9059d0e1c4b29cf81990

    Download Submit