Analysis
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max time kernel
142s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 12:12
Behavioral task
behavioral1
Sample
b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe
Resource
win7-20220901-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe
Resource
win10v2004-20220812-en
2 signatures
150 seconds
General
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Target
b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe
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Size
220KB
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MD5
0d70c55dbfda8f2331895a7203b14b78
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SHA1
82ed32ce1fd6eb919903953bc7a76e5167907cf5
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SHA256
b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec
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SHA512
27cd1779fec7bb640cd250b42ea7b3b50b95b211c26818c43fbe9628702234b52eae26ce4ef2e26d53cb752d26104e7286972c349591265ce66b0322625fab03
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SSDEEP
6144:tXe9iPxiObgFJz9tIoiSoK3hk/MlzUeERg+y:zZLbMfaoxoKi/MlzUeEhy
Score
8/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1204-54-0x0000000000400000-0x000000000045E000-memory.dmp upx behavioral1/memory/1204-57-0x0000000000400000-0x000000000045E000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\alg.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File opened for modification \??\c:\windows\SysWOW64\svchost.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File created \??\c:\windows\SysWOW64\svchost.vir b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification \??\c:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File opened for modification \??\c:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v4.0.30319\mscorsvw.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v4.0.30319\aspnet_state.exe b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 976 1204 WerFault.exe 26 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1204 b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1204 wrote to memory of 976 1204 b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe 27 PID 1204 wrote to memory of 976 1204 b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe 27 PID 1204 wrote to memory of 976 1204 b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe 27 PID 1204 wrote to memory of 976 1204 b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe"C:\Users\Admin\AppData\Local\Temp\b26cf216cbb42a75490fd1985e5923bdf55891aa46794fc7569a39c8e30474ec.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 2242⤵
- Program crash
PID:976
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