Analysis
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max time kernel
112s -
max time network
12s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-05-2021 00:22
Static task
static1
Behavioral task
behavioral1
Sample
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe
Resource
win10v20210410
General
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Target
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe
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Size
37KB
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MD5
ddfcfbe2fc26f9b37c7a8abf5c1a20d0
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SHA1
284482e5cb95cade562e1758177cb0dbd79a8904
-
SHA256
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf
-
SHA512
1405da3c9c5c3ecf6e6228d6782c20b80adfd3120197c3ee4538e634e997fe01ac7a706fbeee3d8a41e4bd294e212f1f1dac1c68b109d707a25a53954875beab
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe" a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe -
Drops file in System32 directory 3 IoCs
Processes:
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exedescription ioc process File created C:\Windows\SysWOW64\GiGu.eXe a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe File opened for modification C:\Windows\SysWOW64\GiGu.eXe a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe File created C:\Windows\SysWOW64\GiGu.eml a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe -
Drops file in Windows directory 2 IoCs
Processes:
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exedescription ioc process File created C:\Windows\uGiG.eXe a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe File opened for modification C:\Windows\uGiG.eXe a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1496 480 WerFault.exe a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1496 WerFault.exe 1496 WerFault.exe 1496 WerFault.exe 1496 WerFault.exe 1496 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1496 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1496 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exedescription pid process target process PID 480 wrote to memory of 1496 480 a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe WerFault.exe PID 480 wrote to memory of 1496 480 a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe WerFault.exe PID 480 wrote to memory of 1496 480 a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe WerFault.exe PID 480 wrote to memory of 1496 480 a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe"C:\Users\Admin\AppData\Local\Temp\a5c62810072ad28b17bc816da69a17b6efd6bd95f47c1583568a9211f5a149bf.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 480 -s 1762⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken