Analysis
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max time kernel
130s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
01/12/2022, 22:50
General
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Target
74bed0dd1a69892fd4aeb0d7a11b23cf7812e1b1bba524e7aa6017dca32028d5.exe
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Size
210KB
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MD5
395c9f235140c913b1acdc01a1106ac3
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SHA1
745896b54e15f36ba55aefa5e5cf5698024dcb95
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SHA256
74bed0dd1a69892fd4aeb0d7a11b23cf7812e1b1bba524e7aa6017dca32028d5
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SHA512
780fada540852f524a69e1c1b71f2b55846521261e9d2ffab8c93d467fbf0f99ae549a676785d45431d379b9f47e96dbf0cf0b809ce621d8888cc37524c22caa
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SSDEEP
3072:dVzAs2nbKX2kafeSUVkONNh/Pz0aH878hCV26rWTj60cCaGIsl834zC3YL:/AveVfSUlfh3hcgsbuj6sIsaY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Deletes itself 1 IoCs
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Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Drops desktop.ini file(s) 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of FindShellTrayWindow 5 IoCs
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Suspicious use of SendNotifyMessage 5 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Users\Admin\AppData\Local\Temp\74bed0dd1a69892fd4aeb0d7a11b23cf7812e1b1bba524e7aa6017dca32028d5.exe"C:\Users\Admin\AppData\Local\Temp\74bed0dd1a69892fd4aeb0d7a11b23cf7812e1b1bba524e7aa6017dca32028d5.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
52KB
MD56bf2039986af96d98e08824ac6c383fd
SHA10bb6384656a96943cb427baa92446f987219a02e
SHA256a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f
SHA512fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e
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Filesize
2KB
MD57afcb675f1abe65d6f0b4cc2999db9b9
SHA1f0fe25c6a999f149e3b6ed3195ad5670720ad966
SHA256dd4c556befcc11fdf4ab85500487c7d89445a8a5b92c0eaf05845e5cae882b30
SHA512588a032ac0445940bd8020938af35ef915b3f79dad944e0d1ae9d9fee4f9349356829e64743f4a2801bca75b1ef2a91347248451620541a0536e5be932f621fc
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Filesize
52KB
MD56bf2039986af96d98e08824ac6c383fd
SHA10bb6384656a96943cb427baa92446f987219a02e
SHA256a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f
SHA512fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e
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Filesize
68KB
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Filesize
44KB
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Filesize
32KB
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Filesize
32KB
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Filesize
44KB
-
Filesize
44KB
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Filesize
44KB
-
Filesize
44KB
-
Filesize
24KB
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Filesize
24KB
-
Filesize
24KB
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Filesize
320KB
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Filesize
320KB
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Filesize
320KB
-
Filesize
320KB
-
Filesize
320KB
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Filesize
320KB