Analysis

  • max time kernel
    17s
  • max time network
    153s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20260708-en
  • resource tags

    arch:arm64arch:x64image:android-33-x64-arm64-20260708-enlocale:en-usos:android-13-x64system
  • submitted
    29/10/2026, 17:47

General

  • Target
    download_34858816.apk
  • Size 29.9MB
  • Sample261029-wc2cfa1we1
  • SHA256 a6c5161f0489ccc7b7c6dc55a54d3da1797fbb3faef97bdce124924d3beeb06e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks if the Android device is rooted. 1 TTPs 8 IoCs
  • Loads dropped Dex/Jar 1 TTPs 23 IoCs

    Runs executable file dropped to the device during analysis.

  • 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.

  • Queries information about active data network 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 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.

  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.kelsos.mbrc
    1⤵
    • Checks if the Android device is rooted.
    • Loads dropped Dex/Jar
    • Makes use of the framework's foreground persistence service
    • Queries information about active data network
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Schedules tasks to execute at a specified time
    • Checks memory information
    PID:4067

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        dpdres.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/dpdres.apk
        • Size 103KB
        • SHA256 b1d1519b462349eb5ca4ca62da42748ae67e90de1ee0139745bea1769c5483e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ktlres.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/ktlres.apk
        • Size 22B
        • SHA256 8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85
        • MD5 SHA1 SHA512

        mdtres.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres.apk
        • Size 33KB
        • SHA256 c0eacc4d209723c2f8b88dace12a3d03cf96934a608997d1ac2c40a0b5519d2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres10.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres10.apk
        • Size 93KB
        • SHA256 8561932fb36432e3e3edf1d984157156a98aadfd167d664ac112fc3e71b122d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres11.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres11.apk
        • Size 316B
        • SHA256 0e5c4c7a6c98937352acf48380a3f7565076ab7f739d420304e1a0a374adac52
        • MD5 SHA1 SHA512 TLSH

        mdtres12.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres12.apk
        • Size 419KB
        • SHA256 f826fef11000e95c084985d1c48043770f2d1cbf6b51d4dd3bc8cff25baec131
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres13.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres13.apk
        • Size 88KB
        • SHA256 ab40c49941e8be5052777714d55031ede168f9fc72d19f1be86007e0edf76106
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres14.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres14.apk
        • Size 447KB
        • SHA256 f41bc044e7fc5547083da741bf16853e8d0f464fbe3b703c07c991603317e694
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres2.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres2.apk
        • Size 20KB
        • SHA256 b7f3834fc99e6e2ca2c39ad2427f2962598a46d773136ceb45d09e44deb282e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres5.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres5.apk
        • Size 49KB
        • SHA256 9d1b958752eca5f0e21814b7a1de4584586e023d2ec8396db52369accc95b16b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres6.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres6.apk
        • Size 27KB
        • SHA256 94336794359f087ea909787060778955f809c7a31dbb4486cf1cb414b75b2245
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres7.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres7.apk
        • Size 202KB
        • SHA256 ab2818cf123952cd360a5775daa5a6024e35f4fb207c6a062b1b48d7ff86328e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres8.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres8.apk
        • Size 395KB
        • SHA256 bba66c0a487de0877d5e7584a65da4944298da893e8d84b95e44a1a0b148b6d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mdtres9.apk

        • Path /data/data/com.kelsos.mbrc/code_cache/mdtres9.apk
        • Size 495KB
        • SHA256 4f8230e3d3003bdfe20e03e46f45915c8611b2bc2fce45bc399a266e0d3b1c15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ZyFdpd

        • Path /data/data/com.kelsos.mbrc/databases/ZyFdpd
        • Size 1.7MB
        • SHA256 409508a8014b760af5daced16c885c662b11a28253a9a3da22a92fa7f742a3a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gDEsQdat

        • Path /data/data/com.kelsos.mbrc/databases/gDEsQdat
        • Size 12KB
        • SHA256 3b6aaa1147dea97f286bfcd51fb8e55c91e1395abec3f0302d4f8b7393c31173
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jqUjnLUext

        • Path /data/data/com.kelsos.mbrc/databases/jqUjnLUext
        • Size 1.3MB
        • SHA256 f0690fd73a2b4c20bf901b94761c1c62cfd9a03471e354074a33cd042f2944b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libkccXHdpqgc.so

        • Path /data/data/com.kelsos.mbrc/databases/libkccXHdpqgc.so
        • Size 19.9MB
        • SHA256 c4d5cab020c842715403600255709ed843b54c412b331d776180bc7157d41757
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libkccXHdpqgc.so

        • Path /data/data/com.kelsos.mbrc/databases/libkccXHdpqgc.so
        • Size 19.9MB
        • SHA256 13a04ec30310cea6b11fe4085b5ce5df51deb3b4d4e38f4b542c2c2a950045e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libkccXHdpqgc.so-journal

        • Path /data/data/com.kelsos.mbrc/databases/libkccXHdpqgc.so-journal
        • Size 4KB
        • SHA256 37cda954fc3177c1d46b38242350d2acb7ec3c9ba983abdab911c86b808607f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libkccXHdpqgc.so-journal

        • Path /data/data/com.kelsos.mbrc/databases/libkccXHdpqgc.so-journal
        • Size 8KB
        • SHA256 26d6ac21ad60d44f16ce1e143217e16aa5612e9617e69d1c1febc4dd4f650e95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nnToNktl

        • Path /data/data/com.kelsos.mbrc/databases/nnToNktl
        • Size 1.3MB
        • SHA256 cc8857ed34be1acf7286451d7124f11a8218de6112fe942418942724a8c7c089
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pStcsmdt

        • Path /data/data/com.kelsos.mbrc/databases/pStcsmdt
        • Size 15.6MB
        • SHA256 a0fac223d29b390b44a2e3ea102348194d700af6fd2c02d4d8a9536ad69b71ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/data/com.kelsos.mbrc/oat/x86_64/[email protected]
        • Size 188B
        • SHA256 38d1b09b3b457bea3053ef2ff5ff66707e25f153bac69984b0ce29b4bc027d7a
        • MD5 SHA1 SHA512 TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 26KB
        • SHA256 fee60cab0a48e7d672d2ca676041d94baa4c24841158b5eaebd14ab69c6be5b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 1.4MB
        • SHA256 8a5ad5180fb6f5e357188b3c5e9c95436e70f9dccd4f07a03eb444c7646ffd37
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 1.4MB
        • SHA256 ae38c1d4de3560441d90a85c5813ac9dbd4078fa27d43c0082e30b29ce20a4f1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 1.9MB
        • SHA256 a8161c6f899e434c8c8be3794ea91e9a5147831d04018e23c5f30a0a2f1ac3ed
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 4.2MB
        • SHA256 c3b9cd4ec486d3706479a5a8cf0be28c123b6d3fda6ac0dc3526b7636317c4c0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 3.9MB
        • SHA256 f6444801b75a34542f4ccb24fa5508530b7005757bad8a2ce4d7ae0b48125796
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 2.0MB
        • SHA256 1207e76ae8e7f8c3a413730a50d3c3ab7f66413d23c79f0a9a212339bc99dde5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 3.2MB
        • SHA256 3e957cca2ce7d0feea61e7257083cf5991d579e7db0615287a98db4decc705d9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 998KB
        • SHA256 438a97d3c7dbd944b534b2d6680089efc71f4f813163fd307c7c80a999542e45
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 3.7MB
        • SHA256 50c1ad4bedd179b72145414b52c41983e3ebc52c4c831c9ef5236599005d5935
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 4.9MB
        • SHA256 a95dafe245d6514230e77edcf6f4dc243664fd5124936054d56ba8bb84d4a6ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 4.4MB
        • SHA256 791d5821ddbdbe9e448d9fa0ff4ae9a51e79b9aba94fe3c0cfbc4c543da35d9b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 403KB
        • SHA256 d64398c44a8990c6185583d323e4ccdae765aef21f104c3ebc8eff79ce4d137b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 3.1MB
        • SHA256 350a2bf9bf929697da4238be32b3d0bb76d4d1d2263c69c645774aa4e7f43c3d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 8KB
        • SHA256 197bcc950e6a8c6ff80e524961e12223504de94754c74bc503ac175f6bd5440d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 180KB
        • SHA256 ef47172ebb8df8c9174663554691fc16df6e2469646f7079608e8d74a6c66100
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 1.4MB
        • SHA256 68615a6efcef84164d4692876397587691fb4f2e94a9ceeda7ae415f81200444
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 3.8MB
        • SHA256 4ccc44bdaf294ef3f9b9ecc78efd7255ea5c58c350daed3d5372287950d4dcb2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/user/0/com.kelsos.mbrc/[email protected]
        • Size 2.1MB
        • SHA256 db6b338739f1b757440594b6ba46043ec5d6fce49547a385ca0f411b533a6a83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        androidx.window.extensions.jar

        • Path /system_ext/framework/androidx.window.extensions.jar
        • Size 123KB
        • SHA256 8e6331a07c9f2ac139214c527dcaff2c82d126bbe7bd3420cdc36d6a8c9204b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        androidx.window.sidecar.jar

        • Path /system_ext/framework/androidx.window.sidecar.jar
        • Size 25KB
        • SHA256 9195dc6a1c75a841384050240dfc972e48178964993fba6619788625f4b40d1a
        • MD5 SHA1 SHA512 SSDEEP TLSH