Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 19:21

General

  • Target

    6abd102cf78fddf4ef3d9f6990eedf4b82eabfc43546a8cfd51f024e06235502.exe

  • Size

    80KB

  • MD5

    1dae138b9c99e05bbc2de5bac57db9f4

  • SHA1

    d6a6e4f6fbbbcaa8356867697adc698b4cbc2656

  • SHA256

    6abd102cf78fddf4ef3d9f6990eedf4b82eabfc43546a8cfd51f024e06235502

  • SHA512

    54e370f0597c8c8ef4f1c4bc0b030df6491fd9223bfb54f6644f52877c09d5873f5bd818f7d328f1919cc7b0f5d083bbf297e5b7a300017ab71908b4fe42c4e9

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOcK+FVz:GhfxHNIreQm+HidK+FVz

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6abd102cf78fddf4ef3d9f6990eedf4b82eabfc43546a8cfd51f024e06235502.exe
    "C:\Users\Admin\AppData\Local\Temp\6abd102cf78fddf4ef3d9f6990eedf4b82eabfc43546a8cfd51f024e06235502.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2392

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe
    Filesize

    81KB

    MD5

    442b8a9ddf24e08178547e2fde9979bc

    SHA1

    62b4e17974289efc194e8b07b0bbc44515021e7a

    SHA256

    cf50b7dfb2970db973bf8e03fb71f847032a7676b1c8d4c5e7b46ae0370375f9

    SHA512

    ed82d98093e6d8a551b0f414ac34c51b30bd47a22bf3cc856199e3845433e50797f96b3d787a491b5ae3c55a6fa4a00bf8647a34a35823f52524cc51fd2afc30

  • \Windows\system\rundll32.exe
    Filesize

    79KB

    MD5

    809ef8ba862ed2202cd46beed48a024d

    SHA1

    d80edf127cc0ece658db95abb6eda4426019a054

    SHA256

    a3dfc3d043e7b653362696276ee3cb522bffefdc9dad938e7f708892deeff997

    SHA512

    f139aa173aa2dfa2b0298979b2bedb5f43efc03644eef0cb2e34a0e1e09193b09542f8159bdd66588e6ae10e6dbe95b6bc4133d34ed2de0444ff5e61f3b2b2ba

  • memory/2392-19-0x0000000000400000-0x0000000000415A00-memory.dmp
    Filesize

    86KB

  • memory/2856-0-0x0000000000400000-0x0000000000415A00-memory.dmp
    Filesize

    86KB

  • memory/2856-17-0x00000000003E0000-0x00000000003F6000-memory.dmp
    Filesize

    88KB

  • memory/2856-16-0x00000000003E0000-0x00000000003F6000-memory.dmp
    Filesize

    88KB

  • memory/2856-22-0x00000000003E0000-0x00000000003E2000-memory.dmp
    Filesize

    8KB

  • memory/2856-21-0x0000000000400000-0x0000000000415A00-memory.dmp
    Filesize

    86KB