Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 00:23

General

  • Target

    6a987139d9ec2ab82bb4d9fdc8276df209ed94e35f2d203a0fa6ad7b28a03362.exe

  • Size

    126KB

  • MD5

    20a354f57449946583a4e43f92aa1114

  • SHA1

    a00a5ef977a06243a54cc437fe3c831eda4e7ff1

  • SHA256

    6a987139d9ec2ab82bb4d9fdc8276df209ed94e35f2d203a0fa6ad7b28a03362

  • SHA512

    954eb745f50525b1e50f0dc32106867a0c4af4bffcaf341e1eabdae294a7471ea26b0a87848b0c68cb2aad0aa90d976d15cfb3db7cfeecf4e322acbe9782dab9

  • SSDEEP

    3072:1EboFVlGAvwsgbpvYfMTc72L10fPsout6S:qBzsgbpvnTcyOPsoS6S

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 40 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 23 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a987139d9ec2ab82bb4d9fdc8276df209ed94e35f2d203a0fa6ad7b28a03362.exe
    "C:\Users\Admin\AppData\Local\Temp\6a987139d9ec2ab82bb4d9fdc8276df209ed94e35f2d203a0fa6ad7b28a03362.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe -EMBEDDING 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530445D474A422F565840 0
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
  • C:\Windows\system32\cmd.exe
    cmd.exe /c call "C:\Program Files\Common Files\Microsoft\1D11D1E\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530445D474A422F565840
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Program Files\Common Files\Microsoft\1D11D1E\KVEIF.jpg
      "C:\Program Files\Common Files\Microsoft\1D11D1E\KVEIF.jpg" -3 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530445D474A422F565840
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\wininit.exe
        C:\Windows\System32\wininit.exe -sys 423B5D51736E6673606C2147686D64725D426E6C6C6E6F2147686D64725D4C6862736E726E6775215269607364655D4C52486F676E5D304530304530445D474A422F565840 0
        3⤵
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1616

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\1D11D1E123.IMD

    Filesize

    127KB

    MD5

    381c130271523eac02c41d632120761a

    SHA1

    462ae954fbf408914f87bbd4b47addf3d61558d0

    SHA256

    f33ad06dba9c3d3f3e307dd967e8afbaeb596fe72973d2bb891e713f3e9b11df

    SHA512

    7e68272821eba2155af68afc49bba253973ca98e1e932443ffc69e9888dea974116a8a368481e3923754297b362e888039347cb18c897358dab4af7699115e59

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\1D11D1E123.IMD

    Filesize

    126KB

    MD5

    9dd88f8b9bef83ceb72199445da7958b

    SHA1

    9e3393ad86670b29583f5d780abfbce23c512818

    SHA256

    840e681882aa2df19bf2e47fab943aa5606316590a4045e34242f87ee5b7b2e4

    SHA512

    d593fbfac88600ae3c5c310c1f0aedb970e04b571987cda1f9025c53193fd45cd3bc6b23c0e6c35130c8682185ef9f2f794eb7bffa0006aae2d4b8740868db8a

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\FKC.WYA

    Filesize

    108KB

    MD5

    f697e0c5c1d34f00d1700d6d549d4811

    SHA1

    f50a99377a7419185fc269bb4d12954ca42b8589

    SHA256

    1eacebb614305a9806113545be7b23cf14ce7e761ccf634510a7f1c0cfb6cd16

    SHA512

    d5f35672f208ebbe306beeb55dadde96aa330780e2ea84b45d3fa6af41369e357412d82978df74038f2d27dff4d06905fd0b4d852b0beef1bcfdd6a0849bc202

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\KVEIFmain.ini

    Filesize

    711B

    MD5

    5b85700764c7f8ed2db3d99aba090ff3

    SHA1

    89521db8d1abb29e082628efdd23c547fa54ef44

    SHA256

    ade5e3636e8684f5845c18666a04a6b22d7a0f2631ea268a1aec910857c42e24

    SHA512

    00600e12dc1067eba53760eedfc4f408e88053a87462d55f01478887a9b4095138d471cc186684f0c14f4c2559da978e0ef3f78341910ecf1ca8caac9f67a642

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\KVEIFss1.ini

    Filesize

    22B

    MD5

    2056c975629bc764596c2ba68ab3c6da

    SHA1

    35e3da93ce68d24c687e8c972f8fa2b903be75b8

    SHA256

    8485a6ec9ad79a1ed2331a428944711c4064f0c607017dae51c7e7f65fe70ff7

    SHA512

    c4d4932e81956578e505ac454d964ccd1d7d123e8393d532db15ba42e456ceff8394baba021e8ae7ae2f9aef0e51840aecef12252cf9c6766e8b247eb08e86ae

  • C:\Program Files\Common Files\Microsoft Shared\MSInfo\1D11D1E\ok.txt

    Filesize

    104B

    MD5

    47a9c2c9870422eb89b3fa094493f277

    SHA1

    7d6e212b0ba438bc1bb6121634c57f8d0b0dd4c9

    SHA256

    b73847f7426f241f857e1dd3e61b2e8288f4735ff3e6d3d211fe1007d0e9bf2c

    SHA512

    011bf9a6302ab98c50489fb65bf6146aa4d9a43b854f6c752697e6066ba590d60b2c0a8f1e59cb08ce929fce85f3ea00a59faebafe0c02c4c103cd9fe63d835d

  • C:\Program Files\Common Files\Microsoft\1D11D1E\KVEIF.jpg

    Filesize

    126KB

    MD5

    72d60916b573024c48db12571ffd00cf

    SHA1

    b79bca84db881f383ef50f93c8c394c2d59b9115

    SHA256

    781835504f05e2c45b3bacf39d77f337dfc7ad6cad0c622cc51789f94f47a0a6

    SHA512

    2b817091abe6dc5373cc18422bbbc0cc1466a2c9b9f409435e2ae0009f83362d13b0e5cd9f53b79554d8f27a724a8f2e93a4dc7c2b4472d50c1a4afcf9637fff

  • \Windows\SysWOW64\kernel64.dll

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1132-21-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-32-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-25-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-23-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-13-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-19-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-17-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-29-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-33-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-7-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-31-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-27-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-2-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-11-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-9-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-5-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-15-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1132-3-0x0000000000220000-0x0000000000275000-memory.dmp

    Filesize

    340KB

  • memory/1616-173-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1616-220-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-89-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-79-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-97-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-95-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-93-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-91-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-85-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-83-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-81-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-99-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-78-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-101-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-88-0x0000000000130000-0x0000000000185000-memory.dmp

    Filesize

    340KB

  • memory/2468-77-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-75-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-74-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-69-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-71-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-219-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2468-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB