Overview

overview

10

Static

static

6

chrome.apk

android-9-x86

10

chrome.apk

android-10-x64

7

chrome.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    187s
  • 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
    06-08-2024 12:33

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General

  • Target

    chrome.apk

  • Size

    4.2MB

  • MD5

    ddc6700c60fc3d10164dd8791569f535

  • SHA1

    0a6de3db773583278f563811991e80fe1353fcda

  • SHA256

    2c7d4e5beefea306e7832ca509207c1c0b267302b269d43917de96c989bacfb1

  • SHA512

    c51fc34567c8a9c50d9e4dd8e4dc828a301cbf0391ba027aee8b398f49a35ba6ef1aa7813616834dc89535e88c8b331744ca37dd9f160f59275dbc3e2dc1d0bd

  • SSDEEP

    98304:hJIZzNSqJwSMDSGinjmVVhPKcwvH9mCn+Jpe4yIOJDy7:hJENSq/MDqnjYivH992jyIt7

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.40

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • 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 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.pigfdswid.eysluoake
    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:4318
    • /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.pigfdswid.eysluoake/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pigfdswid.eysluoake/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4345

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.pigfdswid.eysluoake/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    4286dd1120e607b9674abc3e9059ec1d

    SHA1

    8fb13d7196a649f28f02d9670add36501c466e1d

    SHA256

    d0b44413e0f28835cc17e4ac56716430ae145bd4a79f2f0fa1e58e9599efe9d6

    SHA512

    0be4c8047364ad9921c88a24b1609461c0529b7f6eb2e4248f6570791d221d335e58cd5602b34ea43df967118a613f6ec64bb0a3ff61ee5f07bb59a99cee02bf

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/cache/classes.dex
    Filesize

    1.0MB

    MD5

    15997611f794b13aa871ab98c8ba0615

    SHA1

    eda12ce94c325cc51fc04b74c74e539a43c3cb94

    SHA256

    5061d4405bed5dcd4efe38e002f3cc9d4ad210464569fd90154fc279d943b6ec

    SHA512

    9d33e9619af52b61e769ececfa4cbe3ae92198fc35ed03cee474c008e18ba80f530fc685a3741dd4e43f752bf5f35fe9ab0114578ad4f0485391ca29a59a933b

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/cache/classes.zip
    Filesize

    1.0MB

    MD5

    0ea37be6e27cc76eec4d91656b461a98

    SHA1

    59ba84a7dbe58713e31cb734cfb7dec1ebde1744

    SHA256

    a81c90e7772951b9db2100ff390821e4f49ee902a5e238e8a517fced3dd3d5c2

    SHA512

    e8fbaac9f0b4de9bd807653a950c49362cafd17243ceca90bb6583b15cb39d33099a83e0b4201efe27aa07a0dd5c01291166649eaa613b5a1df854d0ed94dcc5

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    fb1fc94d851a5be25a1070571b98f8fd

    SHA1

    54ad8a3d66fbb9b6c9433306460355f04aac7131

    SHA256

    0e4a7bb7c6cecb39e4a9414d0790531607a7339e7b5197c450e596f9514894b5

    SHA512

    228dceecb31dc238f4e184c54b9ea186a5d529da04b071bc4cbb9c905192f4ab7379b8c936ac06b275474d59ca0305c07668367fa3a5a5d72ae4bd7dbe7416df

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    fa9847f7373a2692622d0daae58031a2

    SHA1

    1d382144073bddc49ebb3478441c415fd20fe512

    SHA256

    7a494f187920a7357cb36f79cbc0a1b724c8945ed1a3086f1fc557607b0887ad

    SHA512

    6634d34a9572309a39fe547eccf4da06a3b959fd7a37e96a9ded4a627d370e52bbd1b2cef102b370ce9086eb7465ef632f4e93f0a2c6a7317e2e2f5dc3dc06a4

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    15ea62697aed2c2d646bc72458089b12

    SHA1

    107b176aeeea133200eb8fa921536c022722cc67

    SHA256

    284dc1dec898d449b1fd20cd4e58c80d9e82241d0c21d3dcdec544a9187ad7e0

    SHA512

    0d1454cf4da44226010decad9400769829cc4a3884ace8a98138145ab1386f46b699edafe206f51643edea81ca2c2a098cb51bf744d230c7d0b6dd1f8907bd47

    Download Submit

  • /data/data/com.pigfdswid.eysluoake/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    5d0501eb2305e3bf6f32ea7c578ab754

    SHA1

    234d5c9eba14db070eaba916f1fa391bf0d3adb2

    SHA256

    25ffdd8986bd7f952ca0c532c41fe42457ab80b624a30b7b3c0a3fc031ee375c

    SHA512

    0c32cc28d5f7233d6c0051d02f4b97cec4a9fd8b904e470498b8652d0712122fb9928f74097042f93351b6e1c790b951b518d2a6d8de91bdeb39470d4af971e3

    Download Submit

  • /data/user/0/com.pigfdswid.eysluoake/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    e932cc75637453c919b19e2e7978c535

    SHA1

    a39f1d46ecf97dfb566282601d8998e5572ae9bb

    SHA256

    7b19746a77b8ae2945c8d7bd818050a07632dfbe6452442bb9a6a5713d0fd52f

    SHA512

    893658e195f7a4ef760b74886a1832f92bf3bfcc4345cf6508866b91eb1e7d7eb19bbfacae5138620ea559f607a3ec480b971eed35a67888a2d18a66f0aee1aa

    Download Submit