Analysis
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max time kernel
6s -
max time network
133s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
15-05-2021 12:46
Static task
static1
Behavioral task
behavioral1
Sample
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe
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Size
37KB
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MD5
c933104538712c82e3a1c7a625f77aaf
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SHA1
8bf8db1c25354817ce1ebbd5a6648b4f42f806ae
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SHA256
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0
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SHA512
7ce137561f337314a5ccb1cbf935cca6a44c99b0990f98ccd1a15a85262b77e21ef49c1996841466801cd791e92e366430de8f6873efb82c3ce7fa6af757db95
Score
10/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe" 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe -
Drops file in System32 directory 3 IoCs
Processes:
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GiGu.eXe 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe File created C:\Windows\SysWOW64\GiGu.eml 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe File created C:\Windows\SysWOW64\GiGu.eXe 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe -
Drops file in Windows directory 2 IoCs
Processes:
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exedescription ioc process File created C:\Windows\uGiG.eXe 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe File opened for modification C:\Windows\uGiG.eXe 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1988 540 WerFault.exe 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1988 WerFault.exe 1988 WerFault.exe 1988 WerFault.exe 1988 WerFault.exe 1988 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1988 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exedescription pid process target process PID 540 wrote to memory of 1988 540 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe WerFault.exe PID 540 wrote to memory of 1988 540 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe WerFault.exe PID 540 wrote to memory of 1988 540 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe WerFault.exe PID 540 wrote to memory of 1988 540 5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe"C:\Users\Admin\AppData\Local\Temp\5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 1762⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988