Overview

overview

10

Static

static

6

ab1d048d09...6d.apk

android-9-x86

10

ab1d048d09...6d.apk

android-10-x64

10

ab1d048d09...6d.apk

android-11-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    159s
  • 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
    31-08-2024 22:00

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General

  • Target

    ab1d048d09539a7251a9cab6e0f92ef40188e328cc57a8c66d3478504af3206d.apk

  • Size

    4.3MB

  • MD5

    db45264b7cd92e7c934c54c86f0848d1

  • SHA1

    97c405e12626305f9fa386c5956bb0c6560f9fc0

  • SHA256

    ab1d048d09539a7251a9cab6e0f92ef40188e328cc57a8c66d3478504af3206d

  • SHA512

    37e12b81879d0f0100e0fa21f4fded7b846b6dbba8f2798ce74d8e8af0f772dbace92e9ac89b07c2396e4c46a1ce792467ceb685c0f0c089bac65cf626fda3d7

  • SSDEEP

    98304:TEAsJmTB+/Uuo5K4KENHAKQ/YzWyEPq8UQiFsW4bm8vy1JAWE:TiJmTB+8grENH8YzjEC8UVyWMm8jWE

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.233

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 5 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
  • 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.rhrovulax.tbdqlyohz
    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)
    • 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:4261
    • /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.rhrovulax.tbdqlyohz/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rhrovulax.tbdqlyohz/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4288

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

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

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.rhrovulax.tbdqlyohz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    fdfb46cbfb7a62540e77f6cd97d43b64

    SHA1

    e7c995004dec809b5f3a07f0ae9b1c167018f206

    SHA256

    8e3283895bd6e9cebed43df8f2733606ea5a41d2678d7e6da3b4fe0607ab8e82

    SHA512

    95351c9f806a65477fd085ae255701f2e09ade64ea600c25fc930b1837acaddefd077c1bbe946fff48d153a78b3f8076e218b56dac26a612ccba194c4cd90971

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/cache/classes.dex
    Filesize

    1.0MB

    MD5

    60ff72722d415c656202f4faaf5b23d7

    SHA1

    41b9eab4f3b84d2914757f5770385517173789b9

    SHA256

    ff9206ef87e0024ed163175df72e99bd19d786781f0f8a61d0d65813bf09bbea

    SHA512

    16d643670dee3493d1c488efe992ce501678dd1f4a631ce35c0674af0c6008454fea36b61ec56471880a0d1f9fbf0d3a314bef22ed2fd42ec68e93666145c81f

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/cache/classes.zip
    Filesize

    1.0MB

    MD5

    f44cba1b08ab816f42775a26357e0c02

    SHA1

    564020cfa46701de34a6fe97901e6a9dcfd4df8b

    SHA256

    946591b4ec70b6a030bd4ed1192c952d1e7d7a0b025816f674dc11207f5ed15f

    SHA512

    7ed924ca148536c1100b06e2e10222b135a97eee104918af39388455597e6da83bebd862087c3d593dab23e39b7dfad696a9df66dfe88f9d3c765d25bcdee060

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    15584382ff2dfc6154e270cd9e5e68ff

    SHA1

    e3b981afae5b10776cfb3b002a7b5cfba61dd706

    SHA256

    8ed565d049f803c3b246a74ded8e29b9351d0229f516de71a63410908707aead

    SHA512

    13a7d6588e9da1f1feffc4f1e60c7b148c032d274beb3328c2030417adc4f11a9d5ad26a8eabb6c6b3ebb68160f6237870afb5d16d80c86608e3fc744aac2d21

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    7dbb68f81ec1f726364af678d5df6b9b

    SHA1

    a8d06f7f585c89c5ed46c9fc422fb873c4180b34

    SHA256

    2b38b9d7f499662c0deab7c14b7f3e658b7f9f2b9f5f8c7845b830c071a5d15b

    SHA512

    a508f032593ebd9ada9e39c5486a15f3fa38ab7fb86b27b35ba36f1bfde3a3285b09b5930aed5822948d8092f7204957a97d7be312e918038272e54ba24a9175

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    d6cfdd438aa9c9de90ffb30c75114094

    SHA1

    940b4f694e960df489aefc916ecc38445c8bc511

    SHA256

    9d1e04dc539cfbbcb711f5d7901637332f99e214408d40d94627931ddfc139c2

    SHA512

    35f20aa4cd347a773cb9654ec0742fbbce2d0f90a364af0930b6cc75b1c7e19ac20dd0665dea9d185a6823bd336145bd0b026e8cdf27dbbdddea06e666d9fe4c

    Download Submit

  • /data/data/com.rhrovulax.tbdqlyohz/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    b7ac4ed839131841e0938b7d49bfb35e

    SHA1

    3a6c18e36b1a27c5f964734b21dfb733f5e445f5

    SHA256

    b6ebe3489e2e833bd593519eacec849b5977fcfabc36fa50be556d1758a2b0d0

    SHA512

    b53a3d3a1da0c7107bab94d61983cad47e027ba65297b29c71443e015cd090a1e314455d47e3ca97223372cf500564474119d9e74e3436616e1d79ac3fb427ef

    Download Submit

  • /data/user/0/com.rhrovulax.tbdqlyohz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    3a715fc504b85794a741b1dfb198f8f5

    SHA1

    d0a519fb4a7da8f7d7fea585f47633792c550d63

    SHA256

    ef9d1b07da64b3e3c87fdd4daee415f38ee817c210a3a72d1d2befc4189d3866

    SHA512

    c868ab414deb5ed2e938f7a6aae4240c619e908b0e2109a1d154bc31e96e8a12f3438428d86e57ecf827b65979e6b0e4137561f580dea1dcc50c8648ab959203

    Download Submit