Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 00:15

General

  • Target
    85f5747358f6be5c59fb0d05cb0b829ab3c4a88efa3f05c88ef8184461901127.exe
  • Size 5.9MB
  • Sample240602-ajyz1ace95
  • SHA256 85f5747358f6be5c59fb0d05cb0b829ab3c4a88efa3f05c88ef8184461901127
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cobaltstrike

Botnet
  • 0

C2
  • http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes
  • access_type

    512

  • beacon_type

    256

  • create_remote_thread

    768

  • crypto_scheme

    256

  • host

    ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    5000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /N4215/adj/amzn.us.sr.aps

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

  • watermark

    0

Signatures

  • Cobalt Strike reflective loader 21 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 64 IoCs
  • Executes dropped EXE 21 IoCs
  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85f5747358f6be5c59fb0d05cb0b829ab3c4a88efa3f05c88ef8184461901127.exe
    "C:\Users\Admin\AppData\Local\Temp\85f5747358f6be5c59fb0d05cb0b829ab3c4a88efa3f05c88ef8184461901127.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\System\QjNLFVA.exe
      C:\Windows\System\QjNLFVA.exe
      2⤵
      • Executes dropped EXE
      PID:3472
    • C:\Windows\System\dKCTmpw.exe
      C:\Windows\System\dKCTmpw.exe
      2⤵
      • Executes dropped EXE
      PID:1556
    • C:\Windows\System\qcWBVRO.exe
      C:\Windows\System\qcWBVRO.exe
      2⤵
      • Executes dropped EXE
      PID:2628
    • C:\Windows\System\SXUlCrW.exe
      C:\Windows\System\SXUlCrW.exe
      2⤵
      • Executes dropped EXE
      PID:1412
    • C:\Windows\System\bdaJufm.exe
      C:\Windows\System\bdaJufm.exe
      2⤵
      • Executes dropped EXE
      PID:4040
    • C:\Windows\System\vjrKKwE.exe
      C:\Windows\System\vjrKKwE.exe
      2⤵
      • Executes dropped EXE
      PID:2052
    • C:\Windows\System\lAaSKWJ.exe
      C:\Windows\System\lAaSKWJ.exe
      2⤵
      • Executes dropped EXE
      PID:4568
    • C:\Windows\System\hQXRprQ.exe
      C:\Windows\System\hQXRprQ.exe
      2⤵
      • Executes dropped EXE
      PID:4992
    • C:\Windows\System\MmLHQsU.exe
      C:\Windows\System\MmLHQsU.exe
      2⤵
      • Executes dropped EXE
      PID:856
    • C:\Windows\System\VvcAGtk.exe
      C:\Windows\System\VvcAGtk.exe
      2⤵
      • Executes dropped EXE
      PID:436
    • C:\Windows\System\pbcTJvj.exe
      C:\Windows\System\pbcTJvj.exe
      2⤵
      • Executes dropped EXE
      PID:3244
    • C:\Windows\System\wvWDRmm.exe
      C:\Windows\System\wvWDRmm.exe
      2⤵
      • Executes dropped EXE
      PID:1512
    • C:\Windows\System\HFPPDEK.exe
      C:\Windows\System\HFPPDEK.exe
      2⤵
      • Executes dropped EXE
      PID:4464
    • C:\Windows\System\yZKcOZI.exe
      C:\Windows\System\yZKcOZI.exe
      2⤵
      • Executes dropped EXE
      PID:3716
    • C:\Windows\System\FiLUFtG.exe
      C:\Windows\System\FiLUFtG.exe
      2⤵
      • Executes dropped EXE
      PID:2468
    • C:\Windows\System\rgMsrtT.exe
      C:\Windows\System\rgMsrtT.exe
      2⤵
      • Executes dropped EXE
      PID:3356
    • C:\Windows\System\kxyQRqp.exe
      C:\Windows\System\kxyQRqp.exe
      2⤵
      • Executes dropped EXE
      PID:464
    • C:\Windows\System\hksMoXi.exe
      C:\Windows\System\hksMoXi.exe
      2⤵
      • Executes dropped EXE
      PID:1788
    • C:\Windows\System\ReyDJFa.exe
      C:\Windows\System\ReyDJFa.exe
      2⤵
      • Executes dropped EXE
      PID:1964
    • C:\Windows\System\SvmRVSz.exe
      C:\Windows\System\SvmRVSz.exe
      2⤵
      • Executes dropped EXE
      PID:2796
    • C:\Windows\System\gAJUZZj.exe
      C:\Windows\System\gAJUZZj.exe
      2⤵
      • Executes dropped EXE
      PID:3548

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FiLUFtG.exe

        • Path C:\Windows\System\FiLUFtG.exe
        • Size 5.9MB
        • SHA256 549228a5192995437f1a77cb4b02af8a4006742afaf17775c43cc047130aa5ed
        • MD5 SHA1 SHA512 SSDEEP

        HFPPDEK.exe

        • Path C:\Windows\System\HFPPDEK.exe
        • Size 5.9MB
        • SHA256 d4136eba489baccbdc9773d6bf96ecfc9f2d55306dece19bf9c7c5ec2d1724c1
        • MD5 SHA1 SHA512 SSDEEP

        MmLHQsU.exe

        • Path C:\Windows\System\MmLHQsU.exe
        • Size 5.9MB
        • SHA256 a238e11c0d81ee92ec2459b35f0d1e586427617d603e954a7a27990b65b51568
        • MD5 SHA1 SHA512 SSDEEP

        QjNLFVA.exe

        • Path C:\Windows\System\QjNLFVA.exe
        • Size 5.9MB
        • SHA256 9b4dae38b10b38f678430a17f3dc762c14644048ef1753c917986550a3111520
        • MD5 SHA1 SHA512 SSDEEP

        ReyDJFa.exe

        • Path C:\Windows\System\ReyDJFa.exe
        • Size 5.9MB
        • SHA256 83f3c3046faebe3ed9c12d41496045543c4879f399b4b6edd61081a24382fe70
        • MD5 SHA1 SHA512 SSDEEP

        SXUlCrW.exe

        • Path C:\Windows\System\SXUlCrW.exe
        • Size 5.9MB
        • SHA256 ff4aff665bad6d47ef9959dcdaaaee8748ef1bd7a3566ff1de1585c2fd5564e7
        • MD5 SHA1 SHA512 SSDEEP

        SvmRVSz.exe

        • Path C:\Windows\System\SvmRVSz.exe
        • Size 5.9MB
        • SHA256 49c81ff8dfe757a74f9c4c24c9aa94b2a56941fe5fdd2c672bb69a478537ef0e
        • MD5 SHA1 SHA512 SSDEEP

        VvcAGtk.exe

        • Path C:\Windows\System\VvcAGtk.exe
        • Size 5.9MB
        • SHA256 2405971501981accff1e3ac77a864ad3dbabf2947daa0860897c810d0effd463
        • MD5 SHA1 SHA512 SSDEEP

        bdaJufm.exe

        • Path C:\Windows\System\bdaJufm.exe
        • Size 5.9MB
        • SHA256 ef5d42fd93245a7440e2a0a253e99318ab32df322c738f2e9692cb97cabe54ca
        • MD5 SHA1 SHA512 SSDEEP

        dKCTmpw.exe

        • Path C:\Windows\System\dKCTmpw.exe
        • Size 5.9MB
        • SHA256 9020c6b26901b4bc0927bee1a66013e0f03d69ec295281ee8273b922cfc513d3
        • MD5 SHA1 SHA512 SSDEEP

        gAJUZZj.exe

        • Path C:\Windows\System\gAJUZZj.exe
        • Size 5.9MB
        • SHA256 92218e73e446ed2b846dbf27790a64b128821289b6efef47f729666b20706608
        • MD5 SHA1 SHA512 SSDEEP

        hQXRprQ.exe

        • Path C:\Windows\System\hQXRprQ.exe
        • Size 5.9MB
        • SHA256 90e69530d6240ce93114cbf30f03cb0990e2858f3eb7551ee6551500e6003f62
        • MD5 SHA1 SHA512 SSDEEP

        hksMoXi.exe

        • Path C:\Windows\System\hksMoXi.exe
        • Size 5.9MB
        • SHA256 bc287c9abce381674564b19825f9146f0b683139803680818244e250e9ca8cab
        • MD5 SHA1 SHA512 SSDEEP

        kxyQRqp.exe

        • Path C:\Windows\System\kxyQRqp.exe
        • Size 5.9MB
        • SHA256 8ab9124c9ff9f783f41278663d883e33c719d5612bce3b595c3a57d6e987bfbf
        • MD5 SHA1 SHA512 SSDEEP

        lAaSKWJ.exe

        • Path C:\Windows\System\lAaSKWJ.exe
        • Size 5.9MB
        • SHA256 8c25ed54bfcf7ec2cc78b4daaa666fa49db51347dbf593388ab4528d3b196b3b
        • MD5 SHA1 SHA512 SSDEEP

        pbcTJvj.exe

        • Path C:\Windows\System\pbcTJvj.exe
        • Size 5.9MB
        • SHA256 f9ffc79ba323b10eeb75eafe7fc8491d4c496ce54bf7448caec98d1673df2b73
        • MD5 SHA1 SHA512 SSDEEP

        qcWBVRO.exe

        • Path C:\Windows\System\qcWBVRO.exe
        • Size 5.9MB
        • SHA256 c88a12493c2016fada0e5e5d0c5e64cbed8ff014306e24e5fd65dfa53ddeb682
        • MD5 SHA1 SHA512 SSDEEP

        rgMsrtT.exe

        • Path C:\Windows\System\rgMsrtT.exe
        • Size 5.9MB
        • SHA256 77355970ad03c8e3f459f73625d9718fd5e7392ff4a61386b1655fa1e806ff90
        • MD5 SHA1 SHA512 SSDEEP

        vjrKKwE.exe

        • Path C:\Windows\System\vjrKKwE.exe
        • Size 5.9MB
        • SHA256 23d30c87d87b465af477969eadfa6cb9e04ff00cd20a34f1a495eaad00e3309b
        • MD5 SHA1 SHA512 SSDEEP

        wvWDRmm.exe

        • Path C:\Windows\System\wvWDRmm.exe
        • Size 5.9MB
        • SHA256 44985191fed3e7b69182e80bcd0c72235506b091ad1009b7afc6ddfb531535c6
        • MD5 SHA1 SHA512 SSDEEP

        yZKcOZI.exe

        • Path C:\Windows\System\yZKcOZI.exe
        • Size 5.9MB
        • SHA256 171e877dec1ffbebbdc23c1d6d420a8edcd1aa8909e9408ffdcbd1f152b2a364
        • MD5 SHA1 SHA512 SSDEEP

        memory/436-150-0x00007FF773060000-0x00007FF7733B4000-memory.dmp

        memory/436-72-0x00007FF773060000-0x00007FF7733B4000-memory.dmp

        memory/464-138-0x00007FF6E2580000-0x00007FF6E28D4000-memory.dmp

        memory/464-115-0x00007FF6E2580000-0x00007FF6E28D4000-memory.dmp

        memory/464-158-0x00007FF6E2580000-0x00007FF6E28D4000-memory.dmp

        memory/856-126-0x00007FF794A50000-0x00007FF794DA4000-memory.dmp

        memory/856-62-0x00007FF794A50000-0x00007FF794DA4000-memory.dmp

        memory/856-149-0x00007FF794A50000-0x00007FF794DA4000-memory.dmp

        memory/1412-144-0x00007FF6855D0000-0x00007FF685924000-memory.dmp

        memory/1412-29-0x00007FF6855D0000-0x00007FF685924000-memory.dmp

        memory/1512-152-0x00007FF62DB50000-0x00007FF62DEA4000-memory.dmp

        memory/1512-135-0x00007FF62DB50000-0x00007FF62DEA4000-memory.dmp

        memory/1512-80-0x00007FF62DB50000-0x00007FF62DEA4000-memory.dmp

        memory/1556-143-0x00007FF7649B0000-0x00007FF764D04000-memory.dmp

        memory/1556-88-0x00007FF7649B0000-0x00007FF764D04000-memory.dmp

        memory/1556-12-0x00007FF7649B0000-0x00007FF764D04000-memory.dmp

        memory/1788-118-0x00007FF716DF0000-0x00007FF717144000-memory.dmp

        memory/1788-157-0x00007FF716DF0000-0x00007FF717144000-memory.dmp

        memory/1964-120-0x00007FF7F11F0000-0x00007FF7F1544000-memory.dmp

        memory/1964-139-0x00007FF7F11F0000-0x00007FF7F1544000-memory.dmp

        memory/1964-160-0x00007FF7F11F0000-0x00007FF7F1544000-memory.dmp

        memory/2052-43-0x00007FF7FA5D0000-0x00007FF7FA924000-memory.dmp

        memory/2052-146-0x00007FF7FA5D0000-0x00007FF7FA924000-memory.dmp

        memory/2052-96-0x00007FF7FA5D0000-0x00007FF7FA924000-memory.dmp

        memory/2468-156-0x00007FF647E10000-0x00007FF648164000-memory.dmp

        memory/2468-137-0x00007FF647E10000-0x00007FF648164000-memory.dmp

        memory/2468-97-0x00007FF647E10000-0x00007FF648164000-memory.dmp

        memory/2628-142-0x00007FF712C20000-0x00007FF712F74000-memory.dmp

        memory/2628-20-0x00007FF712C20000-0x00007FF712F74000-memory.dmp

        memory/2796-140-0x00007FF661230000-0x00007FF661584000-memory.dmp

        memory/2796-159-0x00007FF661230000-0x00007FF661584000-memory.dmp

        memory/2796-127-0x00007FF661230000-0x00007FF661584000-memory.dmp

        memory/2804-0-0x00007FF734FC0000-0x00007FF735314000-memory.dmp

        memory/2804-1-0x000001F2F7A90000-0x000001F2F7AA0000-memory.dmp

        memory/2804-71-0x00007FF734FC0000-0x00007FF735314000-memory.dmp

        memory/3244-151-0x00007FF776980000-0x00007FF776CD4000-memory.dmp

        memory/3244-75-0x00007FF776980000-0x00007FF776CD4000-memory.dmp

        memory/3356-136-0x00007FF79AED0000-0x00007FF79B224000-memory.dmp

        memory/3356-102-0x00007FF79AED0000-0x00007FF79B224000-memory.dmp

        memory/3356-155-0x00007FF79AED0000-0x00007FF79B224000-memory.dmp

        memory/3472-9-0x00007FF616930000-0x00007FF616C84000-memory.dmp

        memory/3472-82-0x00007FF616930000-0x00007FF616C84000-memory.dmp

        memory/3472-141-0x00007FF616930000-0x00007FF616C84000-memory.dmp

        memory/3548-161-0x00007FF7A9C10000-0x00007FF7A9F64000-memory.dmp

        memory/3548-134-0x00007FF7A9C10000-0x00007FF7A9F64000-memory.dmp

        memory/3716-154-0x00007FF7630A0000-0x00007FF7633F4000-memory.dmp

        memory/3716-89-0x00007FF7630A0000-0x00007FF7633F4000-memory.dmp

        memory/4040-145-0x00007FF6F9090000-0x00007FF6F93E4000-memory.dmp

        memory/4040-36-0x00007FF6F9090000-0x00007FF6F93E4000-memory.dmp

        memory/4464-153-0x00007FF793700000-0x00007FF793A54000-memory.dmp

        memory/4464-81-0x00007FF793700000-0x00007FF793A54000-memory.dmp

        memory/4568-147-0x00007FF74C290000-0x00007FF74C5E4000-memory.dmp

        memory/4568-45-0x00007FF74C290000-0x00007FF74C5E4000-memory.dmp

        memory/4568-117-0x00007FF74C290000-0x00007FF74C5E4000-memory.dmp

        memory/4992-51-0x00007FF722DD0000-0x00007FF723124000-memory.dmp

        memory/4992-148-0x00007FF722DD0000-0x00007FF723124000-memory.dmp

        memory/4992-122-0x00007FF722DD0000-0x00007FF723124000-memory.dmp