Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 03:53

General

  • Target

    b23cb07410639298a3fbdd3d04872c97732c1949968903feabc9d6f8d6439af2.exe

  • Size

    14.0MB

  • MD5

    07c12f253c2eb528a7ce50a45459b56d

  • SHA1

    f26bd6e51fe41a1dbf5e25a0b5e7131f2cc2fe64

  • SHA256

    b23cb07410639298a3fbdd3d04872c97732c1949968903feabc9d6f8d6439af2

  • SHA512

    e9fd384857a4b5b85415087479d76e1681104440de2f5ab0b381e1e2f9487e455fbe511c657abf6ab9e8d1c29916ebe80531b1df6fea62ee619040778ba8a9f0

  • SSDEEP

    196608:bOLauYdxpOWdSOE2phiZ0/wONHLDrd6TYPQo8V+8Cs6cpqVVymDdh+yESGIqDMaL:CLBYdS6SUhQcwALDMXnIVnECatIZW

Malware Config

Signatures

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 18 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies boot configuration data using bcdedit 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 4 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b23cb07410639298a3fbdd3d04872c97732c1949968903feabc9d6f8d6439af2.exe
    "C:\Users\Admin\AppData\Local\Temp\b23cb07410639298a3fbdd3d04872c97732c1949968903feabc9d6f8d6439af2.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Windows\sysnative\bcdedit.exe /enum {current}
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Windows\system32\bcdedit.exe
        C:\Windows\sysnative\bcdedit.exe /enum {current}
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2572
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Temp\UjyQii\\wimlib.EXE apply "C:\Temp\UjyQii\\dism.wim" 1 C:\Temp\UjyQii\dismcjksh\
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Temp\UjyQii\wimlib.EXE
        C:\Temp\UjyQii\\wimlib.EXE apply "C:\Temp\UjyQii\\dism.wim" 1 C:\Temp\UjyQii\dismcjksh\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        PID:1660
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Temp\UjyQii\\Qiibiosinfo.exe --sys
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Temp\UjyQii\Qiibiosinfo.exe
        C:\Temp\UjyQii\\Qiibiosinfo.exe --sys
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:992
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Temp\UjyQii\\Qiibiosinfo.exe --uefi
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Temp\UjyQii\Qiibiosinfo.exe
        C:\Temp\UjyQii\\Qiibiosinfo.exe --uefi
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2944
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Temp\UjyQii\\Qiibiosinfo.exe --sys
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Temp\UjyQii\Qiibiosinfo.exe
        C:\Temp\UjyQii\\Qiibiosinfo.exe --sys
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2900
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Temp\UjyQii\\QiiPECMD.exe SHOW F:-1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Temp\UjyQii\QiiPECMD.exe
        C:\Temp\UjyQii\\QiiPECMD.exe SHOW F:-1
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Temp\UjyQii\\cxdir.exe" -mohong
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Temp\UjyQii\cxdir.exe
        C:\Temp\UjyQii\\cxdir.exe -mohong
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Temp\UjyQii\\cxdir.exe" -mohong
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Temp\UjyQii\cxdir.exe
        C:\Temp\UjyQii\\cxdir.exe -mohong
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        PID:920
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Temp\UjyQii\\cxdir.exe" -mohong
      2⤵
      • Loads dropped DLL
      PID:908
      • C:\Temp\UjyQii\cxdir.exe
        C:\Temp\UjyQii\\cxdir.exe -mohong
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        PID:1632
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Temp\UjyQii\\cxdir.exe" -mohong
      2⤵
      • Loads dropped DLL
      PID:1720
      • C:\Temp\UjyQii\cxdir.exe
        C:\Temp\UjyQii\\cxdir.exe -mohong
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Temp\UjyQii\HwRwDrvx64.sys

    Filesize

    22KB

    MD5

    d89dc4c1ccfa3553b5c92770251cf2f1

    SHA1

    15ec7bbf464b705441acf3bf3e4f49382cc18119

    SHA256

    3331af898ebe81cde9903f9f2f4dbf56f2684230ef01ef6f5cf59ad28b63c214

    SHA512

    b54db8d2af103fe250ab6eb7231eb7f6c3cbf2fdf696e090cea9846594db7aab580ffa4f876f9b80f13e0acd8e9dff57edbc766067e9f131486b153d785a9f60

  • C:\Temp\UjyQii\QiiPECMD.exe

    Filesize

    1.3MB

    MD5

    d644f12f9a642f3fe5dcbf315ec9094a

    SHA1

    c01eb2b8be44d6711c9af10ca7cc6c4310aed34c

    SHA256

    4dcc19a5d571c5fe1e0f2e5b9134815200220a86535282f242789146fde3706f

    SHA512

    f7d0f6fb7f6ad8f405083250a6530c60a624a4cd734ae53240d6789d7b9e740209e226f8821745f592895fcb14f89fc97aeabd3388beb1a60165117aedbfdcef

  • C:\Temp\UjyQii\Qiibiosinfo.exe

    Filesize

    314KB

    MD5

    fac53f717a9cd5109ee0d96feeca2408

    SHA1

    31b0c7eeea65a23bac3631daefd2ba60fbcb6ce9

    SHA256

    b4aee8bcbf7df15080872eead1421f24b31ff358f10fe216ecf395814ad1c2fe

    SHA512

    6225e37e812de3d77e1a5867f95095200c4a621026995b3874d7ee9d0c4719fe17f6e27a025655dc866db935c98206d64c0e2bd0565fb76fd976a5abdb0d262c

  • C:\Temp\UjyQii\config.dll

    Filesize

    258B

    MD5

    4350db50102c53cb755715a28f2f6e41

    SHA1

    9a9c45635aa6a9bae103250d925b80e0e2ef746a

    SHA256

    12527cf2a5166135af342153671ee70aab2d683fbb601dc0c686de122758d3a9

    SHA512

    610f2315fd3930412aa78cde43f2fe9530e58b2f5679e5afd90b150af167bd424744a25a21e7c876666dbef783b17ae0a29ea80a04a99ab00b65fb497dc0f6dc

  • C:\Temp\UjyQii\cxdir.exe

    Filesize

    42KB

    MD5

    2aa80509e9840822a3b6799a356efe90

    SHA1

    3dc558c97b209c91b7b45f90624f80c05c9094d0

    SHA256

    301ccb6e3f8a5118d7882963715e215140f0b7528039cab3fcd7ace02a48da0d

    SHA512

    9d4e5f95ef444424857e55c345d56ac679005a0bdfddf59fb96f078a5913e7be5ba07cd16993878815dc9d2364d909f20d8b7d65b09bd2ec687622f5812c6bc2

  • C:\Temp\UjyQii\dism.wim

    Filesize

    3.1MB

    MD5

    cd6a67b7fa1958f0b6879009f38c3e3b

    SHA1

    f92f534dd6c7ba3d9edd7bec292d0a489afbe50c

    SHA256

    14e348aa7e8dcd4094993102a09e8309ea8f327d57febd73034b19f792cf6090

    SHA512

    225fc4d92976cc1236db77215a36a3a1977ac396c8146cd54a5984569483d3c96d6f345c07d961b5318d4d1dd85b1a7096cd091b2e5bce3a5cdbb774604109b8

  • C:\Temp\UjyQii\libwim-15.dll

    Filesize

    471KB

    MD5

    e00fa5e9967055c31a62410fa4a758a2

    SHA1

    334b69f34bb6eb3c4dcd4a3a5ff570642b672ef6

    SHA256

    b8f1f4a0a74bf2b009dcfa8854fd9146cd061ad39b78da24abbed5d9396759f0

    SHA512

    1f0db54b043da9749bda9902b71d9755d6b425856874a00f4005bc0d1ec09c99bd4d84321944ac20f04a0708afaf38f2b67256c06892828781655c7c92052458

  • C:\Temp\UjyQii\wimlib.EXE

    Filesize

    136KB

    MD5

    c297992a7e8a207508fe30c71bf2691c

    SHA1

    bdbf4936b0450cbaeb679f79bcbd1e719e13f813

    SHA256

    a2fabc32d5c405c013e29d5b5f553067aeed6896098945e490726269f415d1a2

    SHA512

    9662eee3563be1b9da683353b6b57091f96bce339d8732f1b9031867ac1ec5dbbc939f8adf297afd5c786347eecb5f801766a0f52edafb5e5c47803b87b58299

  • \Temp\UjyQii\QiiImagex.EXE

    Filesize

    845KB

    MD5

    dcd13e8935cd5a235d6d3124fc9d8bc2

    SHA1

    41426a7d1c5932ac6853186e41797f94c043e7dc

    SHA256

    3d68842a89267810e4fbfa73e57d4a6519ae3269190c066cfab3e7650542465e

    SHA512

    c06569b6080161d26776cda16aadcb5b8c5038b1809d57bc5c6c016710736368ab4f658c6d7b71fbfafb945b045d69c5f89592b537a048458622e521da1f7c5e

  • \Temp\UjyQii\dismcjksh\X64\dism.exe

    Filesize

    329KB

    MD5

    f350e791f2ed95fb4a6fc50a0ea32b37

    SHA1

    472a3de24cd10913354798d51082d20fb166b2b1

    SHA256

    3c63ddb1e3f10ad6aa96ad7e35a080495e32cd748dbdbc0460f3f93beeee6b7f

    SHA512

    4b50aa71bec1aea7e18bd6b4c930942f513e2e8f55e7de217e5f7e19e0363f8f202dd75c9efb4a9b3f5046a90315a99614595ca13fffc4b3c80f9e2a44f5f51b

  • memory/576-177-0x0000000002310000-0x0000000003B65000-memory.dmp

    Filesize

    24.3MB

  • memory/920-196-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/992-209-0x000000013FBB0000-0x0000000141405000-memory.dmp

    Filesize

    24.3MB

  • memory/992-179-0x000000013FBB0000-0x0000000141405000-memory.dmp

    Filesize

    24.3MB

  • memory/992-178-0x000000013FBB0000-0x0000000141405000-memory.dmp

    Filesize

    24.3MB

  • memory/1632-199-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1640-202-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1660-127-0x000007FEF7730000-0x000007FEF77CF000-memory.dmp

    Filesize

    636KB

  • memory/1660-126-0x000000013F780000-0x000000013F7AA000-memory.dmp

    Filesize

    168KB

  • memory/1948-193-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2208-0-0x0000000000400000-0x00000000027CC000-memory.dmp

    Filesize

    35.8MB

  • memory/2208-4-0x0000000000400000-0x00000000027CC000-memory.dmp

    Filesize

    35.8MB

  • memory/2208-2-0x0000000000400000-0x00000000027CC000-memory.dmp

    Filesize

    35.8MB

  • memory/2208-207-0x0000000000400000-0x00000000027CC000-memory.dmp

    Filesize

    35.8MB

  • memory/2208-1-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2208-212-0x0000000000400000-0x00000000027CC000-memory.dmp

    Filesize

    35.8MB

  • memory/2900-185-0x000000013F4F0000-0x0000000140D45000-memory.dmp

    Filesize

    24.3MB

  • memory/2944-182-0x000000013FEA0000-0x00000001416F5000-memory.dmp

    Filesize

    24.3MB