Overview

overview

10

Static

static

6

2cbb04ab23...85.apk

android-9-x86

10

2cbb04ab23...85.apk

android-10-x64

10

2cbb04ab23...85.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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
    11-11-2024 22:02

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General

  • Target

    2cbb04ab236430789c084780545d11d26bbdd11cf287773be5f1420f427f0185.apk

  • Size

    4.3MB

  • MD5

    2eba05c1179cb2cda66c00acad61a004

  • SHA1

    90ff63ec475e57477cb1a1d265a4b842dd15d33d

  • SHA256

    2cbb04ab236430789c084780545d11d26bbdd11cf287773be5f1420f427f0185

  • SHA512

    478185662d80de6c9ea17d3247be09ee8c8626ff3d80dc283f3695a0175a2d167ee4290b013ee4b921c4a976ac7fe3d15dc7add07ee1579e8901a2f343321698

  • SSDEEP

    98304:9COaWSUMfKP0xh+on7zxILr/x+igJjmJecUOX:ArDjfzn7zcsigEeZs

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://94.141.120.34

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • 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.kctllylbf.hknptwlct
    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:4278
    • /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.kctllylbf.hknptwlct/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.kctllylbf.hknptwlct/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4304

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.kctllylbf.hknptwlct/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    a9cf1d9da332376a04cfd6fbef890b33

    SHA1

    5580e0d9c940c9f50da30f37ac311e7fb081e988

    SHA256

    0ebff4af1404eaae9b31598e71623366fcbc98919818c9347e95b662f824f306

    SHA512

    e56ceee94e9033f92bb30c89351eeac73d3947212a9144919a928ac2c3754032ac527043278fa5bdf1d35b195a1823e0582dcbdff7c74546e83b8da5e29fcce9

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/cache/classes.dex
    Filesize

    1.0MB

    MD5

    679bda600eeab607f8ab2f27b5fb6775

    SHA1

    b4f000e43fa7e570dd2e632d7ff93a57dc6491f5

    SHA256

    a273205875b8ae4a7ef865d73fc98193f0d0e686d2b667633319f8f55a37436a

    SHA512

    65a2e5de32e1a079c499d71ccb9cd9c814284cfb7047c13a379efabf9a2119c3e5e9fe85081c56d89d09b8445315468c22727fc686124e1fbeef538fe49f983e

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/cache/classes.zip
    Filesize

    1.0MB

    MD5

    3339d586fa2760db1dae1df8c17bfffb

    SHA1

    ee86644485e3ac7e2e34e6fd99921c16a78064fa

    SHA256

    0f8772bbdd6b62ace2380ff6a4a8412e57b5e7e2e53cddd91f1c12c04c1f6f1e

    SHA512

    4881bccfcb23916185f38d31949c6cacfdd40e59240c8de7426d4f991368ab6ff4e70d9244d3f8e50a6c57382dd0f1af06342e8548d2776082a3b73530b6de93

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    ad57369583ce5df96e8f0f20327e90d7

    SHA1

    070032db9cae19624af985de8c4b301bc95040a5

    SHA256

    681ccfb84d163888478187f07868a1abfc9af895b5493fe7545c645eb5b1345c

    SHA512

    25393431312784f168cb7a3ca7d054943cb3b8bdfa67a4d66e8df74a1ca7030bb526dfd0111432c0e3ec6e630f8e854f61faad9eebde10c97d9ce92200bbd1d0

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    c93481350eb9161eab037f8872fe0030

    SHA1

    955e6a6a519d318f0640c3e80077530b92b56c61

    SHA256

    25b57a0bf402549bf1dabe751894a7164127a25b1a6ac92081b845705aaeb3fd

    SHA512

    9335920af2ad98845c3619514ad468806c4bb426de8b1ca7116f2acd65c113197dad00d7c224f7ce4acb779e7f5221208da15595e8c881e22ab65c0be0935241

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    9d1b0fc85a5878bb51eeaa3f11b4db36

    SHA1

    b1604d8785e497d795a3c70f63f409450f0e758c

    SHA256

    84b4aa9e9242c6a6ca2c7764d518f65edaad6a5ceacde8af03f9cb9e43943ea1

    SHA512

    7d18ba82f3540f6491ffcccaf2fc8d19ec01f0ed60619af20c859c2a89bc14630996095cf9f4e59de07f441ac1aa196a1b7a1ca91e7912e11abbc56a5ba7f5b8

    Download Submit

  • /data/data/com.kctllylbf.hknptwlct/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    6014bb99890e1f270601eb0631128ae8

    SHA1

    244693dd07845ef899dfd4d5f1e71d0bcb040b6e

    SHA256

    d5903d58550ecb298fff9c79e4707c4191aad6c6efb6813438f7b4dcdd4dc1c0

    SHA512

    c1082237dab3417056785c6eef8b40443aeb53916208b8570bc33c1dbd5270741658a0527db1a8d13bae8332b3347b6f40aad174fb896417c41b8adbf2954368

    Download Submit

  • /data/user/0/com.kctllylbf.hknptwlct/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    b8d6e99f72fce8a6d363b9652273ff70

    SHA1

    ddd6821e03e07846573ca2d67d6199c046016e13

    SHA256

    8c2cf1f656c70c681dd5ba00770d8925879c784e14b55ca3bb309c48c64ae119

    SHA512

    07410bcce5e17b12f9b9bd84c01f1283c1bcdce4d68a00d66066f6ffc32b2f2ac6fad18b8ab5407d96511aedaa36e5d86560d93edd38ad34bc975dc916b7c66a

    Download Submit