Analysis

  • max time kernel
    179s
  • max time network
    191s
  • 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
    28-08-2024 22:07

General

  • Target

    8da37faae29a2a3da6a59ed399418e40ef0cbbeb52ada12aca4bc3253c0b38b6.apk

  • Size

    4.3MB

  • MD5

    10c5173d5a8845a4511336ddb531f62b

  • SHA1

    d6b7580678ae0be3b32b4ffa6d3d61f18a0521ce

  • SHA256

    8da37faae29a2a3da6a59ed399418e40ef0cbbeb52ada12aca4bc3253c0b38b6

  • SHA512

    5cac0479a1b1c16bc18a9ce2678f3a6060652cad91a2d2954dda76975f31ac738c53fce98a267bbe51295c6fa9884906373460dc5cfa4f317de2d1ddae34b4b0

  • SSDEEP

    98304:eUec+qvjxJc1gCOpBErN3cq9Bn+ctGZkYKujmmdvTEnQ5UTw:D7zhpBAyq9BnTpYK2mmeQ5Us

Malware Config

Extracted

Family

hook

C2

http://asik37df.xyz

http://va8fjvz.xyz

http://kav9kva1.xyz

http://puti66bv.xyz

http://brev8sv0.xyz

http://uy27dhzca.xyz

DES_key
AES_key

Signatures

  • Hook

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

  • 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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • 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.fgcmcuseu.srlljvbzq
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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:4274
    • /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.fgcmcuseu.srlljvbzq/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fgcmcuseu.srlljvbzq/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4300

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fgcmcuseu.srlljvbzq/app_dex/classes.dex

    Filesize

    2.0MB

    MD5

    1b9c7db3df8c4c16c352193d27dc8b2b

    SHA1

    c8fd4b042eacc3de3ba735988392b0a6b1fff424

    SHA256

    9fc4828fcd2af7173a6ba551bceb574b0373b1ead3479f35ccb03f777f18d4f8

    SHA512

    b9edcba3dcd1d5b99a045845673116b84eefbe26f6c7e58f6d63195172bc257ff82d62d8e644f812265c157e09604624fe943f1f75b23aca086c4771b5185a84

  • /data/data/com.fgcmcuseu.srlljvbzq/cache/classes.dex

    Filesize

    985KB

    MD5

    4f6f0cd39366913cc2af70b0482ba941

    SHA1

    b1d02e36c33c9b22ed722ae737a51b6e29c2ba9e

    SHA256

    53633df4ca7a0f4857e16cda79b7e896548b24f7a4c7aa95eeebfb4e42484481

    SHA512

    a7f45e73b16386581ccb93fc89b78520f43d13f68ab24669feaa5767e050cea6e83b00ff66a534a519d14784f5ed2b0dd0bdcedd374ed6e6d2e2affa5d36c09b

  • /data/data/com.fgcmcuseu.srlljvbzq/cache/classes.zip

    Filesize

    985KB

    MD5

    433016465d40fe24f895ea075e495148

    SHA1

    e5802721b66030947af6c3ddb48e4621f3a92a18

    SHA256

    ed4c61283c88c4c5f0bba180eacc12ad2cf40d29391b2279faf9ca55bb681408

    SHA512

    489e5f54d43a30b5a299bfc07d0c2295940fcff9faa361545e45a92e41e551190ee92718c2704c4641e286cf956651e672adcfec25cb6128cae831198e678ce4

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    29c405c42a1d98643cd66d33c8d454d2

    SHA1

    0f12d3c6e312341fc3ff1132f991d8911cd8da39

    SHA256

    51abaed1b87ca967c5846acffdf593aaed5667fc247846325d97ee81bf00cc8e

    SHA512

    b8d2ac9b17c0c6fa91d733a36ed57986bddbd383ed96496ab1b206949fc90078ad5c878548b4d3491ac3f20e0e2f52e3c26c6131c247cef236462e96b71878ae

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    01c117999bdbb41dc3c2f9b8e13c5b43

    SHA1

    3fea54d24f1b6d23a0895c76a19a8b4a72dff096

    SHA256

    9312299d798e8ce4ad713b39634339cda3dc5a7b26c5edc60778f153e2fc2243

    SHA512

    c9275b0996a24beda2223ccb77a7a89f0e0fc7c25a233bf1cc50cd9e33377c733a02749fb3d8f7464aa6c90c669f51e4b06b5e91a2253dc5f74e91a52bb6729a

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    a6d93dcb6afc29a77423baebdf8cf2bd

    SHA1

    e25ca05192993748d8a6334bc01f1e1bc9f8b76e

    SHA256

    83b739ad458c0584ebf307381a8c314f2dc7f54de2df6bd95b013f80ff234ad3

    SHA512

    4e99f1cf2c70a91c98bfcded86aa289ebad111fe556d919775b8a3c05fe005695dc61c58fa351500b80f668fe7223a746f6419d683c41785803ae275dc526ed3

  • /data/data/com.fgcmcuseu.srlljvbzq/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    80a84891d4f77b3519bc13ee228b770d

    SHA1

    baf33486b420440d08d673ba0b74626ff300a813

    SHA256

    04fcf1f8319e6d29366164c4cc7d2dea9d747689f8a9c3cd3ab767521b396abb

    SHA512

    7f29cc714039d9001a9d4f1ec4b819efb9f55c057159594b0f51539db3433933b6d77f4c98f80780e55e7d02f91ac550f16535107ba37129714ed7dbbf39cd01

  • /data/user/0/com.fgcmcuseu.srlljvbzq/app_dex/classes.dex

    Filesize

    2.0MB

    MD5

    84b55183a88e8d6b59f29e653bbd7bbf

    SHA1

    c1df7813f97830e6333ddf8afba6b7c87791e91c

    SHA256

    57343e5c7a8f7e301806771672ef89499a12ef865e28ca1f6576b4dcc2eaadaf

    SHA512

    c4fafb3df50b1853c7957d7169ba7d8c62358f498d0e7acb27b062a198a903ff736c00246c1f93bb4304bfe5c87f3e62de6f93431677361329e438157bd19c68