Overview

overview

10

Static

static

6

4f37028d68...a7.apk

android-9-x86

10

4f37028d68...a7.apk

android-10-x64

7

4f37028d68...a7.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    190s
  • 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
    13-08-2024 22:03

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General

  • Target

    4f37028d68e8feb8164c6f8c314c1da0e2c6fd36cbac4d9ec04a15930baa8da7.apk

  • Size

    4.3MB

  • MD5

    9f5decf4cad074ec14cc48dc1ae6d0cc

  • SHA1

    bccb9a61daa7d8aba1ec913d0688451bb359f568

  • SHA256

    4f37028d68e8feb8164c6f8c314c1da0e2c6fd36cbac4d9ec04a15930baa8da7

  • SHA512

    324658e0fc2c81cb0b0560f2a5538c0ba497610f2f2070966ee022017ea18eb4c7ffabc46593df4d78771579d10a60514b6bb2484264071317d184c933675362

  • SSDEEP

    98304:lWue2Ax5QcbsUe46quu0ZIvpgy0oO4fPZGAlePYaqLXxP1r:UuiTQUxBuqvpqUhAbqzxPh

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://134.255.180.156

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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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

Processes

  • com.rcolbowbd.zxeqszqbc
    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
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • 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)
    PID:4250
    • /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.rcolbowbd.zxeqszqbc/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rcolbowbd.zxeqszqbc/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4281

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

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

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 Network Configuration Discovery

2
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.rcolbowbd.zxeqszqbc/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7ee5f2a074b8629236c569faffcb20a8

    SHA1

    213a645ce7d74d6b6f543f5b7a0b22a2a55a3e33

    SHA256

    a06cc33129b129f9ad1d36cf63aaf02beb66a5808ec535bce97442fea4aad5e1

    SHA512

    e47c73779b332350523724f984b0239c90c7d74ff971471d39b59677c58c4bfff94936230c1befb4199b3eb4e00e3e8f4d59c87d92afea98e252e3a81b1496ce

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/cache/classes.dex
    Filesize

    1.0MB

    MD5

    8e8d2792fcac1d75e3baf03d6562067b

    SHA1

    7bcddc36ba03071a7f53d1544b8e89d2f70059a8

    SHA256

    1338111f70d0eba2e7d13719487d9a7d164ec1148070bf666c740fff4a63280f

    SHA512

    5950b33ca313e619a7a29b65e25ab0aa32232aadaaf6f28fa60183306954cd3e27b1a9eb82c9c1993acb1583a36c9d4af9f32b4df19ac113b503e629d7d1c7fb

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/cache/classes.zip
    Filesize

    1.0MB

    MD5

    e68cd49a7580e64ee756d1ef436a6e47

    SHA1

    d46dc0f33f8139b6c07a8a6e96cc1d9008a92798

    SHA256

    c40fa1607d1c838025d981e8cb4978d8d2ddc8e5c92497fc17b7554493d12a0e

    SHA512

    7e8f97674c16a8ca6a47894fe0bc0271c07161f02b8eee249bf9b74bbd932b891d53c23c514e4a554ab3a91206978eede9dd7825c006d32bbed2a475d000beb1

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    6868218d5d859517e3bf681ce81ef218

    SHA1

    6cb5471c009eda79fbefb52ca269c8e18ec0d028

    SHA256

    10141631ff91dd413b63ea49d64ac690283cf808cfdd88df4bfcf9246f497acc

    SHA512

    65bf6b7f47b2b138404933a984587f978fc79fc329f40b4f20e927d38472469276f62bf93eb98f34c0fcd422c51ff4aca891e83e5d6bd849285638a51f3b59e0

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    958d766e3b93db51c5e5352282d9ac8a

    SHA1

    2d79ed5ae65138b7b71bb3cda0cb2250ad5eb249

    SHA256

    bec2460f5f1d715b28fab9eb53fd9191dc0dea68d166437841c3da4cf31bf15e

    SHA512

    d980893aab3911c0cb03d89c0e4bb0726e59cc5cc9991d647eab7c0d43aff01bf7dafdeb7788b01751ad24b70c0c3027ffad1cc57cecb03acda53e499e92191d

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    c4d4e397fb6eda4a5a89070b3c742bd7

    SHA1

    73d529925dd31f9b4e7d3baf295d938c833fcbde

    SHA256

    86965e88cbd14904a7e2d50aec1cb8e4e1837d0d3a3817cd684b2dd567e65da6

    SHA512

    82938ab1b65a7cfd42f66e5e03c6fe67f056814701912c7c158ea821883c02ca0a1cfe736eafcc5ce04ed7d9ba718986a5b9dc52079874dee4d00ce390fc8c7a

    Download Submit

  • /data/data/com.rcolbowbd.zxeqszqbc/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    7ebd6d45c254dbb8d6e0ccd04f3ff77d

    SHA1

    cd4ba89b4c18ca40bc3aa512458172c9dadd618c

    SHA256

    d994111fcf74d77ab319c730500ac4a9c17dac0543297dc0048bbdc9151d5180

    SHA512

    a7919612ffc8514828869589e64caf60c27dade88fbe59bc34500134ba1e593ab469298801baa3ee21b0dccaed548c797f9b2f8fd7cb53d0d3d6f9c125bb6502

    Download Submit

  • /data/user/0/com.rcolbowbd.zxeqszqbc/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    fe703a02d0f9b0b85a87b17e7e55fb5c

    SHA1

    7d79c66e613d1a6e4f1ff948eba9f72046c638d0

    SHA256

    cd20758346d112128a3c014e3e897deb08e8c833eef1f66e6991a01dbbbd1c7d

    SHA512

    4c5d244ab608b76cf19e02ba5f422dfdb179712ef82a5076cacc906b81997fa4756ffa86e3c3e2f964a1f234a0cd7df91796474b131845918ca7692da3f92807

    Download Submit