Analysis

  • max time kernel
    147s
  • 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
    09-11-2024 23:09

General

  • Target

    bea33729bc4f84036bff7c7aa4a6b1a416274206acd0ca94181fe51625a785e1.apk

  • Size

    4.2MB

  • MD5

    bde1f8198e60a444ca6e4a02b58906c4

  • SHA1

    e19156ebe88dccaf5c04bf2835d51fc9a38be96c

  • SHA256

    bea33729bc4f84036bff7c7aa4a6b1a416274206acd0ca94181fe51625a785e1

  • SHA512

    ebe3a5dcac3f420f867ee4fd8a8bed5c712f999bd0a406d7f5285862c212fbdbce170944f6848b3901c558b9931bb02aad18e2d8d3f773651dc109f63e94035f

  • SSDEEP

    98304:yYa86R8FswqsrhzSVSvKcAttJNIOtC2Sw4XVAlS:le2FxhzSVMAIozS9VZ

Malware Config

Extracted

Family

hook

C2

http://94.141.120.170

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 3 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.

  • 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • 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.ieznsjstg.fslmxptit
    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:4249
    • /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.ieznsjstg.fslmxptit/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ieznsjstg.fslmxptit/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4274

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.ieznsjstg.fslmxptit/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    df356750403f54b6a7a7cc14035f871d

    SHA1

    5d288fbf40c96502d80e502e761c0bc37760660e

    SHA256

    0b07326d6eec7003653183be7240a5fbcf1e72095599627f57651f791cf9661f

    SHA512

    b2b94e7808279f80aeab15c23a719a8b727c9f0f1214f7c688884fb275bdeff3cc32943404d1786a62864f301ad2398d4436857dd6bb5ccb0b3663626f2031ef

  • /data/data/com.ieznsjstg.fslmxptit/cache/classes.dex

    Filesize

    1.0MB

    MD5

    ac9339824353ad4863ce5b2bf434bd3f

    SHA1

    75ddf180ff36d4077e203a5509193a53d13fb214

    SHA256

    30f4026bb255fff1a4214cab39600ea4a81f6b62102e00e689a703fe60f0cc50

    SHA512

    ccc62f8f98dafc58a11400340c3a0d25aa66ee3d3dca0b7cbbba06a0fc06b85c78020c4fb1bff7478375ac2e125ddfd7fb9b7e80b63b7931373c4d0da142bc2b

  • /data/data/com.ieznsjstg.fslmxptit/cache/classes.zip

    Filesize

    1.0MB

    MD5

    9282ab3c01c32477093474bece039bb0

    SHA1

    bee74830165c8059ab766ea0620b711612b39790

    SHA256

    3bbfb1b851abac60de75a3bf2b9ffd15b167b0bdaafbf07afdf26be5fdbaa5fb

    SHA512

    e62fbb0e26a58fec5cdca802b101312cb5904ec2fb8cf45a801a080ed7f7fe361290680e170b6ca3691b1e9294980fc961c480d5d8db3ea00caeb7a39924f15f

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    0d25ff8ae222beaaf61a8653aec1b261

    SHA1

    8b67653b08edf7007161749765661b6ba6d673be

    SHA256

    7df95c3d224d0e8459a1bf1fe0d78f108f5b30dbc0c4fd04f0d35ce0b31b58bc

    SHA512

    621590f785bf4075553928b647e20aa07e616f672830e2d79a4c04b4b4332a4803e0d2f8a7ec31de810cf47778f9eec50134fa99252a6bebad4b3993f0297131

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    06a4785d09376a7d520347033ea1dfe3

    SHA1

    4cae1c32ecc5927b6021ac46d244db1be03ed629

    SHA256

    532fe2eeb17f0db311774b87b5574aec4c943459d0e630594e866894577ebce4

    SHA512

    737c54754ffb77b3b152c1fcbb2da8354109277dd7a58a3313ca88f6a655402fa69f110b74217f9ff4bd6ac0c6665b7ff5100b309e343dd6772424646159edcd

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    f7da1e698a71fad871f573d8e6c401c2

    SHA1

    9dc97e8b844fb570188da515069a678e4573afa4

    SHA256

    f8a4d47459edffa02ac3dd31cb5d7a810b376c2afaa0c9e62715a60ea0a5ac26

    SHA512

    f36e4ba6479db16dfab8482507e4bfb3494bc1a7d8234e4b6faba9379985f1186bf046bda18eef65f800defc729a85c7e099b7a9f2ae479f3708d2b31b1d2044

  • /data/data/com.ieznsjstg.fslmxptit/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    c3cdfc288e35f409053b12eb2b117251

    SHA1

    1776b170863ce64874d0d27faa330cd608db9a54

    SHA256

    0cf20502db7878a95f450da45ffdaed2892fc17d145de80a798f660d3826bdf7

    SHA512

    6878fbae87159f87f9d41b36800b4e4da477d1a10d73e769605cd27a37cf7e72982dcb0e3c85e9106f7944d02ef59b9c1e046efee4bd2bcab23870c39bd39243

  • /data/user/0/com.ieznsjstg.fslmxptit/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    eebb1215dfea9dcd613cda3dbb0c92f9

    SHA1

    39acda0313b48456cf65338ebfd648fe8049a218

    SHA256

    bbbb3f74758fe61cdf0ed8fd2c4ca702b9022d9417ec32b607cf30f3393ee163

    SHA512

    6626aa82d590e14d76b5badd4806cd001c06891fa8ca1b2292edaaf18d926fa129448bd15ee77bbd104dc21c04bf00c24dffc0c57e22e5d80ec288de392645f3