Analysis
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max time kernel
118s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
16-07-2024 02:01
Static task
static1
Behavioral task
behavioral1
Sample
4cdefe09923892550d0b7093249b5e40N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4cdefe09923892550d0b7093249b5e40N.exe
Resource
win10v2004-20240709-en
General
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Target
4cdefe09923892550d0b7093249b5e40N.exe
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Size
225KB
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MD5
4cdefe09923892550d0b7093249b5e40
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SHA1
0f0bd5632531166648bc8e17e6c3da4641cae9c1
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SHA256
8ef1e948d522f1dc736da3580f5821ec2e325e2a0d8a464b2d82d529e779848a
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SHA512
bc1e0bee828d93c925c532585fe9bbd3e960a657320ffdacffc4348fe2325a5b991d5c2f9f948d0e4aa9dacf5050c12f551029f48f62cbba06e094f6a0b84955
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SSDEEP
6144:TA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:TATuTAnKGwUAW3ycQqgf
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3016 5108 WerFault.exe winver.exe 1872 4604 WerFault.exe 4cdefe09923892550d0b7093249b5e40N.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe4cdefe09923892550d0b7093249b5e40N.exepid process 5108 winver.exe 4604 4cdefe09923892550d0b7093249b5e40N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3444 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
4cdefe09923892550d0b7093249b5e40N.exewinver.exedescription pid process target process PID 4604 wrote to memory of 5108 4604 4cdefe09923892550d0b7093249b5e40N.exe winver.exe PID 4604 wrote to memory of 5108 4604 4cdefe09923892550d0b7093249b5e40N.exe winver.exe PID 4604 wrote to memory of 5108 4604 4cdefe09923892550d0b7093249b5e40N.exe winver.exe PID 4604 wrote to memory of 5108 4604 4cdefe09923892550d0b7093249b5e40N.exe winver.exe PID 5108 wrote to memory of 3444 5108 winver.exe Explorer.EXE PID 4604 wrote to memory of 3444 4604 4cdefe09923892550d0b7093249b5e40N.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\4cdefe09923892550d0b7093249b5e40N.exe"C:\Users\Admin\AppData\Local\Temp\4cdefe09923892550d0b7093249b5e40N.exe"2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 8843⤵
- Program crash
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5108 -ip 51081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4604 -ip 46041⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3444-4-0x0000000000550000-0x0000000000556000-memory.dmpFilesize
24KB
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memory/3444-5-0x0000000000550000-0x0000000000556000-memory.dmpFilesize
24KB
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memory/3444-10-0x0000000000590000-0x0000000000596000-memory.dmpFilesize
24KB
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memory/4604-1-0x0000000004580000-0x0000000004BD8000-memory.dmpFilesize
6.3MB
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memory/4604-2-0x00000000044F0000-0x00000000044F1000-memory.dmpFilesize
4KB
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memory/4604-6-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4604-13-0x0000000004580000-0x0000000004BD8000-memory.dmpFilesize
6.3MB