Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    30-11-2024 22:11

General

  • Target

    fd719965666798271100e5deb15a53183ac17d73a48bf1fc93a77ba3c729edf7.apk

  • Size

    4.6MB

  • MD5

    2fffb38f6f4aead96f7251ea93b5b34f

  • SHA1

    95006e66ee48efca678615f90eb8e10f1fa358cb

  • SHA256

    fd719965666798271100e5deb15a53183ac17d73a48bf1fc93a77ba3c729edf7

  • SHA512

    fdc4916b357063598e12995afd43d2740e333ab1fa22b70c077c693edc8f83d4f0f875f97ca94dcf6c36072a8e76793ccf15b1aef15d25eb64d4dbbfd0317593

  • SSDEEP

    98304:rfr8z1tj55Lf3uRJfRUn+C+HXsUcV6ubGlJC0fVjtjTDScalssyBwAvbET:/8TthSJQWH8U26KGfC0fxtjo2dvs

Malware Config

Extracted

Family

hook

C2

http://65.109.83.248

DES_key
AES_key

Signatures

  • Hook

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

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • 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.

  • Reads information about phone network operator. 1 TTPs
  • 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.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.fajxnfbur.emcitjnsn
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4740

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fajxnfbur.emcitjnsn/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    920c5b1fce07809e44c503223198b9f1

    SHA1

    a05aa22d19b235b38ac5976558a93418ed817444

    SHA256

    940ac12226a55995a3f45cb0cfa11f0f5512bdcc6b59b0bb9660e54ab69b7156

    SHA512

    76d794dc7b1646ecf0655200fa8570e3f09704637b0661f08d6d3f2a62a4984d1c55d3fbfb0f2048ebd32beaf7fa781d2c28dfe1ab777a4ba22c83be166f2ee9

  • /data/data/com.fajxnfbur.emcitjnsn/cache/classes.dex

    Filesize

    1.0MB

    MD5

    6c1e7fce94854d3ce646a7566abca70a

    SHA1

    60c6bd8880d010ee68f241557a989806c055f6eb

    SHA256

    8625103449a205744181ebf38d907826d563be86fa9b2cc5867f5e83f5198a39

    SHA512

    58d4b84c7ae3817bc8870597a3e04d65022a5ea11fbfa0e1a96142660557af0a12b8c759b018a43f858663ed9f9ffbb434f0aa455aca4dcbf5b990767848c0f1

  • /data/data/com.fajxnfbur.emcitjnsn/cache/classes.zip

    Filesize

    1.0MB

    MD5

    58eeabc59750c370b75432b856cf69a2

    SHA1

    a3be61b320a613950d0fc1e74b8a6cd076aae6a4

    SHA256

    4ed349113bed89f3b402b5679e10a07c188561d21a13336ffaae9b58eb7a8e00

    SHA512

    1c264c69ce5d4f6ece818cc33ad704d86e765fec977cad5cd4e3025040302f7234dcc694fa33d379bb1db24c1d228d9ea4597e6c112ecf2ab004bc3d392bef64

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    b89fc873537fee101470a5ec1b20a7ae

    SHA1

    d50fdadb78b187b8c71d9adc0bcb33d2b8f6c7d2

    SHA256

    144df051289053d2d4445cae738b09bb150908149cbe9e5da5d4c02be1f66259

    SHA512

    b2d82d176d85e8ce573ddf35dbfcd14868ecdbd2378cd19a14cc53bf20de47347d3e6ba2d75d6971f7b4e265eef10c4956135ba04ea2573196425b81e89678a6

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    ada30b8fb44125a8bda8e6c4e46f13dd

    SHA1

    5553232fbe8faec5bd6360c2566a6b9aa3c7c37e

    SHA256

    63d52cf72d6c928a942109ba04c37f3c254486ef8cb133484cc235169185e71b

    SHA512

    89819ff8d0acc51d055ebe6a664dcdd92cdeaffeff736863aeab71e833ac527d9edd3651759170dce0e187b25bef0806689d6fc94b5917228b14837edaf6ab90

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    9fbfa5f8702b337c8f47ad1bbaccf58e

    SHA1

    ff55315d256b84cd414264e4802389546d40f2a6

    SHA256

    4288ab6e178a67a119f96c8329673398a6b6644ed0b8219aaf3532c3c4b0133b

    SHA512

    38058f7bb8d77b2056a66c7756a6ae26c9e9ddbca46c08367288b701a8e44f9bf1079cb2fda66a6fe4f523979be33192a49d9ebe680115fa52340002f8afe5a2

  • /data/data/com.fajxnfbur.emcitjnsn/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    9158fecec40f46db7049e865574e069e

    SHA1

    abc1b511576b17ebdb093474d7805e7a0e7428d9

    SHA256

    63abc087cb71bb66e06309cce26490718225d0a432180cc01424ccc690c25248

    SHA512

    45516a5218d835148587016a17c5161326b2e9fd30416fbf0c59beec4267bc991dc8240f3e482bcb95752d69db5d3b27fe07b9d0f5ba401a38f545777c5b7d36