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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16/08/2024, 22:19

General

  • Target

    73a37149359a987bb906f540686e8490N.exe

  • Size

    126KB

  • MD5

    73a37149359a987bb906f540686e8490

  • SHA1

    cc42ce9fc69f793f887a0b927e3dbf8c82961eaa

  • SHA256

    c760fbc3a0fa970af1d8e43a3a7c07e5282a0f927a29efcb7ea3989e7f74c919

  • SHA512

    4d3fc2a4a4589fd3b2421e14b5d267f03267b16c8f52a9687feb6cfa548b7073b0a7b9bf70a4911b6dbd3008277b63e0e342098b293629bbef0f10aa35aca493

  • SSDEEP

    3072:rEboFVlGAvwsgbpvYfMTc72L10fPsout6S:4BzsgbpvnTcyOPsoS6S

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 31 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 25 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73a37149359a987bb906f540686e8490N.exe
    "C:\Users\Admin\AppData\Local\Temp\73a37149359a987bb906f540686e8490N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840 0
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
  • C:\Windows\system32\cmd.exe
    cmd.exe /c call "C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg
      "C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
  • C:\Windows\system32\cmd.exe
    cmd.exe /c call "C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg
      "C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\SysWOW64\wbem\WmiPrvSE.exe
        C:\Windows\System32\wbem\WmiPrvSE.exe -sys 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304230425D474A422F565840 0
        3⤵
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\1D11C1C123.IMD

    Filesize

    126KB

    MD5

    fae13157dcfe8a15ee814c1d06c2f8f7

    SHA1

    a35b035257ab0234bf501392a2e29b4c0a8265e3

    SHA256

    e80e657c8edf63aaf6b34e3c2cab912e9cf7d7876d55d0a021f574476abe8d09

    SHA512

    f23f99ebc03205cd9f46aeac6af75ae5e6bdd773c26f7d8b979a41434cd5f83d536d14553fab368107267bfeb39bc6d3a16277f92c55222aea693c1d93a29b1a

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\1D11C1C123.IMD

    Filesize

    127KB

    MD5

    9c2e5a28d0ed3c8edc5669185f88148c

    SHA1

    0339c97b0ce24125958908cfdaf22dabc226cb49

    SHA256

    257f51edfe9edfa4857f5f075b71340f23693b015a9ed9fe969a52c9f7426441

    SHA512

    ea4b644d3a175ebf3df25a97d526d8d859e970db4a387b26d2209934a864446b3f36808353d011572e1b070b14a55a3a917006193394b68a378071736b063ba8

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\FKC.WYA

    Filesize

    108KB

    MD5

    f697e0c5c1d34f00d1700d6d549d4811

    SHA1

    f50a99377a7419185fc269bb4d12954ca42b8589

    SHA256

    1eacebb614305a9806113545be7b23cf14ce7e761ccf634510a7f1c0cfb6cd16

    SHA512

    d5f35672f208ebbe306beeb55dadde96aa330780e2ea84b45d3fa6af41369e357412d82978df74038f2d27dff4d06905fd0b4d852b0beef1bcfdd6a0849bc202

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\KVEIFmain.ini

    Filesize

    843B

    MD5

    4152194d045a0f369915857622cf41e2

    SHA1

    3294a331d73022fb1d5c54800d3281892675f5d1

    SHA256

    b4703e24d8540edaf52d981b49c2bb9cb1647f3d0a15c12da62393ea39400f6d

    SHA512

    c375906c4bedb88be0b0e1f09e7e74e613876396ebf76e2941ef0084a254bbb3e82032531539de09e78df0d0bb9f852977c3fc0a3cbc1fd58be96eb819b9ff7e

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\KVEIFss1.ini

    Filesize

    22B

    MD5

    2056c975629bc764596c2ba68ab3c6da

    SHA1

    35e3da93ce68d24c687e8c972f8fa2b903be75b8

    SHA256

    8485a6ec9ad79a1ed2331a428944711c4064f0c607017dae51c7e7f65fe70ff7

    SHA512

    c4d4932e81956578e505ac454d964ccd1d7d123e8393d532db15ba42e456ceff8394baba021e8ae7ae2f9aef0e51840aecef12252cf9c6766e8b247eb08e86ae

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11C1C\ok.txt

    Filesize

    73B

    MD5

    38e9d42bf8347e3334d30fe00fb30bc4

    SHA1

    ebf4f4afff22391bc6884f1be4ef9057ec1a0c39

    SHA256

    9258d687118e989a077b0b7dfaadaad4dae5040da1f27223d88a70bfc05604fa

    SHA512

    46eaa138ab929bc637718c86a4646542e3da22aa1c9972be49ea90adf15c0b14d7a1c3eae2c2cfd7966b447f55da2fc0bee0576b2cac65f333e79f6c708bfd02

  • C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg

    Filesize

    126KB

    MD5

    684b98f199c07de4ebff96f0327b4561

    SHA1

    38bc98c4dfbe891514ef52ab2f93be43a5b26308

    SHA256

    44c1ecd40a8644f23141696d8150e26763a540173490a107a0ab8ac8ae21cc45

    SHA512

    c5e46a4062f3bd6044d3b52e712cc9b07dc7c2f1837bd5f4311bbf93dff9ddc997c56fdd3e676163864644e7422e2cdb6e20ee567918ddb5769ec47712475e27

  • C:\Program Files\Common Files\Microsoft\1D11C1C\KVEIF.jpg

    Filesize

    126KB

    MD5

    6a6bc17b34a647a8927568d06472c62d

    SHA1

    57c98ab8a9a7185ed5309e1bb352a54d13dbc6d3

    SHA256

    7a61a9bca0a7ec6d52a51d5627467ff939eac250de9dbe3e374709812b2285cc

    SHA512

    2b41af7b5cb919ebc16afc63377273add07d44d200373920513d2e4d63706986e334e5b0d4a9f5fea66ea920e46274fd3c00acdfeed7d6431e66000b00f9ab6d

  • \Windows\SysWOW64\kernel64.dll

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/2696-17-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-31-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-19-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-25-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-15-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-21-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-33-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-29-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-32-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-23-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-27-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-5-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-2-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-3-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-7-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-11-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-9-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2696-13-0x0000000000270000-0x00000000002C5000-memory.dmp

    Filesize

    340KB

  • memory/2844-77-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2844-81-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-80-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-85-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-78-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2844-76-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2844-103-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-101-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-99-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-97-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-95-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-93-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-91-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-89-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-87-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-83-0x0000000000140000-0x0000000000195000-memory.dmp

    Filesize

    340KB

  • memory/2844-71-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2844-168-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2844-73-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2844-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2844-251-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB