Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    10-09-2024 22:25

General

  • Target

    d28385e66b2922f1353582c0c4e273ee999be25abd4646c6ea1516017c312f5b.apk

  • Size

    4.4MB

  • MD5

    1cbc68571999e90af71d2a986d0eb666

  • SHA1

    07ecd671ae7b6a637e97406b7ddb0aea06d89d0d

  • SHA256

    d28385e66b2922f1353582c0c4e273ee999be25abd4646c6ea1516017c312f5b

  • SHA512

    13a9dc0ef1d4a1bc74695f3cf7652c66715c0414ee8d77f62513f68170beaa5cbdb4de538d1cbcc70b1db7f2936966f05a2fad98b9a4382145c7f99125ebeed2

  • SSDEEP

    98304:W9aNzes2GYVyqQH7UVLfh8yh9VupDEAeIswuXcQir9vW29:EaNzOrVLZjzYhMQvx9

Malware Config

Extracted

Family

hook

C2

http://185.147.124.43

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 8 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.fbrpupwku.pzhhuqsdp
    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:4266
    • /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.fbrpupwku.pzhhuqsdp/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fbrpupwku.pzhhuqsdp/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4292

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fbrpupwku.pzhhuqsdp/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    4c5ae80e0dc5c553e7168ac8f916b9ed

    SHA1

    f77fe4542e36156d77b638f09cdf555f65a90d80

    SHA256

    9301238057cc034e5246477275a1bc54192b4474b30de6d1a36329f919a0033f

    SHA512

    ddfefdad3520e5b9449b3ef2e03631f0f2b4fa1a87ae12c5b10dc69b8f8e7fc557fca0925293348b21d6248ed0be3a3695de0001ae373094ff1dcec789b196e4

  • /data/data/com.fbrpupwku.pzhhuqsdp/cache/classes.dex

    Filesize

    1.0MB

    MD5

    bb4da3a977d895c51494379fe06d942e

    SHA1

    e0893be18f6737e274c4b11eefec297b58e471b3

    SHA256

    e3022e2a26d112a6cbe4f503c9912553754fc2db80654d88d7a6749ea273d139

    SHA512

    4f9332f1c5c1500508513da0a07dd45a7d50d14c0bb090624326b8bdac0f913e7aac9cbf8efd28ce40f69cc7d74b850c1cadf3194241b27640a9c1ab998755e3

  • /data/data/com.fbrpupwku.pzhhuqsdp/cache/classes.zip

    Filesize

    1.0MB

    MD5

    937322aa6997f8b93fbfe77a4d0d1a24

    SHA1

    dff848ed92618396537ef7c88197359ac7a16ba6

    SHA256

    7861d114d3d48cdb41b31c9852beeb68dfabe369cc2b5310f56f93b9efcb8a47

    SHA512

    ef505d90bcacd6ccb7544c2865be309b514448e7c04b2324c08fa6a6328f66aed0fa0f8a19e6ac74f8462f92cda9d5b587ec492db72b9625b9c95a706ce12be6

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    6a7361092cacf4422eed474f597a6304

    SHA1

    81c5a7d12db3b01e788347b5b2f45a68df204557

    SHA256

    320755a98ee50854f70a93c4f66fe9af18b60e980ce2bd7b4c7a9e39457b6f06

    SHA512

    6fa09e30dfda7d31b2fbed12bbdc33c42b6191ebcd4a00ae685f72a6d225f7147858ba7da997266fe95211224c33c9ae40a410c33c4d9edeece473400880c12d

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    134f53907bb3d53c69323a8f6d223cb9

    SHA1

    fb774968359a76125ae52eb47eb3a85b7d86dd9f

    SHA256

    7a9879c480394efec8df4dfbcef40256fbc81256de2759d75d2972835f91a5d6

    SHA512

    cf81f964811d6256cc00b07c2f9de8fd18f4dc4ffb4b4f54e06539d2fe92641224fcbb7aba6f777ee9d8e4cc03ed34d065c17fcb500538fbaadde4ebf7bd18d0

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    3736f945c55cb244ab05be1cd44f2b53

    SHA1

    458674071b1be570e88a08cd0879cf72dbe6f799

    SHA256

    aec0991427714581ffdefaa4eaa8e608e0901bf1cbbf002cb07e2d1d92208996

    SHA512

    3910275a7af53b3d364ae595193f48a40cd49b2ec6a369a3c8f340f96cf95b89d85ece63d617d99578eac6015cd57e51b1779daabaf58e23d02598c0f1020780

  • /data/data/com.fbrpupwku.pzhhuqsdp/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    3f4daf3fb3edbcc6e4d7a5f9a8d833d3

    SHA1

    23993a4cd846e4ad2027ec3b1dc86b0f5135465b

    SHA256

    d9b9d93474b6cd26cb302ccb66b561f8300fe05b772e40822c67eb69a53d9388

    SHA512

    e5b3e2a3c7b4f65a065227b4451d9fe94217752b2cc17c6990b2de9600525d9520dc793808ffbb05f3be4f9796905e9cd8458dba469d7298e9c425ab9cf5de0e

  • /data/user/0/com.fbrpupwku.pzhhuqsdp/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    5da8c37cffd6f7f8754ae34cb262a8d4

    SHA1

    60528980b73c786be1429f558de728bd11f9b579

    SHA256

    f326f6215d69689c6c9fe2a5b85d866e8eadd7679427c7a471f7b1a12b3b45e7

    SHA512

    78c1858610ac3c4853bf896ade989d85a8a97ec25982e63e5e0c8a71e01ad63aebdc6e27c59f60ca39abee0b212d04f4449ae6b8312365872462cf4d48b10b2f