Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 04:35

General

  • Target
    2024-05-31_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-e7rm2sgc44
  • SHA256 d092b2626996f40e184b1a4fe0a0a7cdc2157b0961addf8f2146c20227783d08
  • 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.

  • Detects Reflective DLL injection artifacts 21 IoCs
  • UPX dump on OEP (original entry point) 54 IoCs
  • XMRig Miner payload 56 IoCs
  • Executes dropped EXE 21 IoCs
  • Loads dropped DLL 21 IoCs
  • UPX packed file 54 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 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-31_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\System\lMrlvhA.exe
      C:\Windows\System\lMrlvhA.exe
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Windows\System\kWqRWvS.exe
      C:\Windows\System\kWqRWvS.exe
      2⤵
      • Executes dropped EXE
      PID:3008
    • C:\Windows\System\CCbsmhg.exe
      C:\Windows\System\CCbsmhg.exe
      2⤵
      • Executes dropped EXE
      PID:2384
    • C:\Windows\System\tXSeFKX.exe
      C:\Windows\System\tXSeFKX.exe
      2⤵
      • Executes dropped EXE
      PID:2320
    • C:\Windows\System\zVnGLdL.exe
      C:\Windows\System\zVnGLdL.exe
      2⤵
      • Executes dropped EXE
      PID:2640
    • C:\Windows\System\rXPYDiA.exe
      C:\Windows\System\rXPYDiA.exe
      2⤵
      • Executes dropped EXE
      PID:2676
    • C:\Windows\System\XIFmPLo.exe
      C:\Windows\System\XIFmPLo.exe
      2⤵
      • Executes dropped EXE
      PID:2852
    • C:\Windows\System\oqsDAxS.exe
      C:\Windows\System\oqsDAxS.exe
      2⤵
      • Executes dropped EXE
      PID:2616
    • C:\Windows\System\rTncQHc.exe
      C:\Windows\System\rTncQHc.exe
      2⤵
      • Executes dropped EXE
      PID:2448
    • C:\Windows\System\xrjcatZ.exe
      C:\Windows\System\xrjcatZ.exe
      2⤵
      • Executes dropped EXE
      PID:2520
    • C:\Windows\System\oLXfmHF.exe
      C:\Windows\System\oLXfmHF.exe
      2⤵
      • Executes dropped EXE
      PID:2936
    • C:\Windows\System\qaMlRKC.exe
      C:\Windows\System\qaMlRKC.exe
      2⤵
      • Executes dropped EXE
      PID:2088
    • C:\Windows\System\BNzvRpP.exe
      C:\Windows\System\BNzvRpP.exe
      2⤵
      • Executes dropped EXE
      PID:1556
    • C:\Windows\System\PzmGrqd.exe
      C:\Windows\System\PzmGrqd.exe
      2⤵
      • Executes dropped EXE
      PID:2688
    • C:\Windows\System\vaBqAjS.exe
      C:\Windows\System\vaBqAjS.exe
      2⤵
      • Executes dropped EXE
      PID:2692
    • C:\Windows\System\YlKhHVF.exe
      C:\Windows\System\YlKhHVF.exe
      2⤵
      • Executes dropped EXE
      PID:856
    • C:\Windows\System\ycarmHJ.exe
      C:\Windows\System\ycarmHJ.exe
      2⤵
      • Executes dropped EXE
      PID:1112
    • C:\Windows\System\mWUBkkU.exe
      C:\Windows\System\mWUBkkU.exe
      2⤵
      • Executes dropped EXE
      PID:1924
    • C:\Windows\System\tsfttmh.exe
      C:\Windows\System\tsfttmh.exe
      2⤵
      • Executes dropped EXE
      PID:1668
    • C:\Windows\System\aOZvqGA.exe
      C:\Windows\System\aOZvqGA.exe
      2⤵
      • Executes dropped EXE
      PID:2548
    • C:\Windows\System\JBKJiWp.exe
      C:\Windows\System\JBKJiWp.exe
      2⤵
      • Executes dropped EXE
      PID:772

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BNzvRpP.exe

        • Path C:\Windows\system\BNzvRpP.exe
        • Size 5.9MB
        • SHA256 8ada1dddc789b5d04f6cd52cded68f12799335805b49f6e5fbbc396b701323dc
        • MD5 SHA1 SHA512 SSDEEP

        CCbsmhg.exe

        • Path C:\Windows\system\CCbsmhg.exe
        • Size 5.9MB
        • SHA256 ebcabde5290cc0e6d33f58cf9f453c917146f7d7ffd8d44416ae11da17528fb9
        • MD5 SHA1 SHA512 SSDEEP

        PzmGrqd.exe

        • Path C:\Windows\system\PzmGrqd.exe
        • Size 5.9MB
        • SHA256 0df365555579ea875a99a37be3b0266c399b9377fa0631b6d240643a85a610ac
        • MD5 SHA1 SHA512 SSDEEP

        XIFmPLo.exe

        • Path C:\Windows\system\XIFmPLo.exe
        • Size 5.9MB
        • SHA256 c58eb9549e58d5033b678e338a5615d8cdcbc75cdbd12c48e61f6ec4f98ed855
        • MD5 SHA1 SHA512 SSDEEP

        aOZvqGA.exe

        • Path C:\Windows\system\aOZvqGA.exe
        • Size 5.9MB
        • SHA256 df57b48042b92fb0864bb248bf06a5085b308721612eba31f60920e162db3e74
        • MD5 SHA1 SHA512 SSDEEP

        oLXfmHF.exe

        • Path C:\Windows\system\oLXfmHF.exe
        • Size 5.9MB
        • SHA256 4f2d5545710b93381238246120ff7ad26da21f9009d168336fd7976fb378433c
        • MD5 SHA1 SHA512 SSDEEP

        oqsDAxS.exe

        • Path C:\Windows\system\oqsDAxS.exe
        • Size 5.9MB
        • SHA256 9d94704edb59918450df6e046237b6d72c13d869ee03b8cad055e462aa772ba1
        • MD5 SHA1 SHA512 SSDEEP

        rTncQHc.exe

        • Path C:\Windows\system\rTncQHc.exe
        • Size 5.9MB
        • SHA256 a5bc423cc35894816ba48d9ca385f92dcdf0fc75885ceb6d54aefd9f9336b7b9
        • MD5 SHA1 SHA512 SSDEEP

        rXPYDiA.exe

        • Path C:\Windows\system\rXPYDiA.exe
        • Size 5.9MB
        • SHA256 f2821a070974a4917b2c79a64f8a8851f8c16f0504fd01f303a4ebad3e516546
        • MD5 SHA1 SHA512 SSDEEP

        tXSeFKX.exe

        • Path C:\Windows\system\tXSeFKX.exe
        • Size 5.9MB
        • SHA256 c62cce5515135f4387b636721d6e879b04b8dd32a84165a6ca092c62f796c9f2
        • MD5 SHA1 SHA512 SSDEEP

        tsfttmh.exe

        • Path C:\Windows\system\tsfttmh.exe
        • Size 5.9MB
        • SHA256 06e5057de1c41d5e1ad49a6f60f9677b4e61675326f84693bf5d9579f0c797b9
        • MD5 SHA1 SHA512 SSDEEP

        xrjcatZ.exe

        • Path C:\Windows\system\xrjcatZ.exe
        • Size 5.9MB
        • SHA256 7f22df6b0d0eb0ed79fb9ed9539cd983b1b24be24722f3da911934cbdd40d867
        • MD5 SHA1 SHA512 SSDEEP

        ycarmHJ.exe

        • Path C:\Windows\system\ycarmHJ.exe
        • Size 5.9MB
        • SHA256 03c14154e2628a9356fd35d8218e5db11c4e491627322f0b4a2645ef10eb791a
        • MD5 SHA1 SHA512 SSDEEP

        JBKJiWp.exe

        • Path \Windows\system\JBKJiWp.exe
        • Size 5.9MB
        • SHA256 cdcc094a6a262456825f7bf3da8a60af1bfe3a7dc9fb8d12bdb0f6d7bc47aa52
        • MD5 SHA1 SHA512 SSDEEP

        YlKhHVF.exe

        • Path \Windows\system\YlKhHVF.exe
        • Size 5.9MB
        • SHA256 7256edbe1749094ed5a7620b44c510f3e17fa2f61213f4508805dbb687f7e4d4
        • MD5 SHA1 SHA512 SSDEEP

        kWqRWvS.exe

        • Path \Windows\system\kWqRWvS.exe
        • Size 5.9MB
        • SHA256 1d44d323890a167f5178815907c6553e0865d94a04fee7c116384c6b928e12cc
        • MD5 SHA1 SHA512 SSDEEP

        lMrlvhA.exe

        • Path \Windows\system\lMrlvhA.exe
        • Size 5.9MB
        • SHA256 037c9200b32b6f4fb90b961a58417e94030cdc5cabd44d053dd22188a42c9167
        • MD5 SHA1 SHA512 SSDEEP

        mWUBkkU.exe

        • Path \Windows\system\mWUBkkU.exe
        • Size 5.9MB
        • SHA256 a6b557b962b74f452e07fe6a4b522c4a7957d79c839ce4b628068871c81676ab
        • MD5 SHA1 SHA512 SSDEEP

        qaMlRKC.exe

        • Path \Windows\system\qaMlRKC.exe
        • Size 5.9MB
        • SHA256 19bb5be12fdcf2b3afb83a61ad111a79095942b282de6a59748ca00d17c4d98f
        • MD5 SHA1 SHA512 SSDEEP

        vaBqAjS.exe

        • Path \Windows\system\vaBqAjS.exe
        • Size 5.9MB
        • SHA256 7b76297226620b682710e5ab2f3ce062503608c5e8730c57e918fc3e0325974b
        • MD5 SHA1 SHA512 SSDEEP

        zVnGLdL.exe

        • Path \Windows\system\zVnGLdL.exe
        • Size 5.9MB
        • SHA256 c19c4bdc5bc0e0dcc884d098e65b28d6a4854573feffca80e34e597826e8eded
        • MD5 SHA1 SHA512 SSDEEP

        memory/1276-77-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1276-70-0x000000013F490000-0x000000013F7E4000-memory.dmp

        memory/1276-135-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1276-55-0x000000013F840000-0x000000013FB94000-memory.dmp

        memory/1276-63-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1276-48-0x000000013FF20000-0x0000000140274000-memory.dmp

        memory/1276-1-0x00000000001F0000-0x0000000000200000-memory.dmp

        memory/1276-107-0x000000013F080000-0x000000013F3D4000-memory.dmp

        memory/1276-15-0x000000013F490000-0x000000013F7E4000-memory.dmp

        memory/1276-26-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1276-0-0x000000013F840000-0x000000013FB94000-memory.dmp

        memory/1276-35-0x000000013F320000-0x000000013F674000-memory.dmp

        memory/1276-118-0x000000013F1D0000-0x000000013F524000-memory.dmp

        memory/1276-113-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1276-37-0x0000000002390000-0x00000000026E4000-memory.dmp

        memory/1556-111-0x000000013F080000-0x000000013F3D4000-memory.dmp

        memory/1556-150-0x000000013F080000-0x000000013F3D4000-memory.dmp

        memory/1556-136-0x000000013F080000-0x000000013F3D4000-memory.dmp

        memory/2088-148-0x000000013FDD0000-0x0000000140124000-memory.dmp

        memory/2088-119-0x000000013FDD0000-0x0000000140124000-memory.dmp

        memory/2320-27-0x000000013F900000-0x000000013FC54000-memory.dmp

        memory/2320-139-0x000000013F900000-0x000000013FC54000-memory.dmp

        memory/2384-32-0x000000013F130000-0x000000013F484000-memory.dmp

        memory/2384-140-0x000000013F130000-0x000000013F484000-memory.dmp

        memory/2448-64-0x000000013F9F0000-0x000000013FD44000-memory.dmp

        memory/2448-145-0x000000013F9F0000-0x000000013FD44000-memory.dmp

        memory/2520-71-0x000000013F9B0000-0x000000013FD04000-memory.dmp

        memory/2520-146-0x000000013F9B0000-0x000000013FD04000-memory.dmp

        memory/2616-56-0x000000013FC30000-0x000000013FF84000-memory.dmp

        memory/2616-144-0x000000013FC30000-0x000000013FF84000-memory.dmp

        memory/2640-42-0x000000013F750000-0x000000013FAA4000-memory.dmp

        memory/2640-142-0x000000013F750000-0x000000013FAA4000-memory.dmp

        memory/2676-41-0x000000013F320000-0x000000013F674000-memory.dmp

        memory/2676-141-0x000000013F320000-0x000000013F674000-memory.dmp

        memory/2676-94-0x000000013F320000-0x000000013F674000-memory.dmp

        memory/2688-116-0x000000013F7E0000-0x000000013FB34000-memory.dmp

        memory/2688-149-0x000000013F7E0000-0x000000013FB34000-memory.dmp

        memory/2760-62-0x000000013F0E0000-0x000000013F434000-memory.dmp

        memory/2760-138-0x000000013F0E0000-0x000000013F434000-memory.dmp

        memory/2760-12-0x000000013F0E0000-0x000000013F434000-memory.dmp

        memory/2852-49-0x000000013FF20000-0x0000000140274000-memory.dmp

        memory/2852-143-0x000000013FF20000-0x0000000140274000-memory.dmp

        memory/2936-147-0x000000013F540000-0x000000013F894000-memory.dmp

        memory/2936-78-0x000000013F540000-0x000000013F894000-memory.dmp

        memory/3008-19-0x000000013F490000-0x000000013F7E4000-memory.dmp

        memory/3008-137-0x000000013F490000-0x000000013F7E4000-memory.dmp