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210303-eg4g1z4wd2 10Analysis
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max time kernel
30s -
platform
windows10_x64 -
resource
win10v200217 -
submitted
05-03-2020 12:54
Static task
static1
Behavioral task
behavioral1
Sample
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Resource
win10v200217
General
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Target
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
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Size
3.4MB
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MD5
84c82835a5d21bbcf75a61706d8ab549
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SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
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SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
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SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Signatures
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Executes dropped EXE 4 IoCs
pid Process 2224 taskdl.exe 4044 @[email protected] 3864 @[email protected] 3252 taskhsvc.exe -
Loads dropped DLL 7 IoCs
pid Process 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe -
Wannacry
WannaCry is a ransomware cryptoworm.
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Modifies file permissions 1 TTPs 1 IoCs
pid Process 4080 icacls.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2516 wrote to memory of 4072 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 2516 wrote to memory of 4072 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 2516 wrote to memory of 4072 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 67 PID 2516 wrote to memory of 4080 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2516 wrote to memory of 4080 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2516 wrote to memory of 4080 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 68 PID 2516 wrote to memory of 2224 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 2516 wrote to memory of 2224 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 2516 wrote to memory of 2224 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 71 PID 2516 wrote to memory of 3908 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2516 wrote to memory of 3908 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 2516 wrote to memory of 3908 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 72 PID 3908 wrote to memory of 4008 3908 cmd.exe 74 PID 3908 wrote to memory of 4008 3908 cmd.exe 74 PID 3908 wrote to memory of 4008 3908 cmd.exe 74 PID 2516 wrote to memory of 4044 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 76 PID 2516 wrote to memory of 4044 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 76 PID 2516 wrote to memory of 4044 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 76 PID 2516 wrote to memory of 1728 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 77 PID 2516 wrote to memory of 1728 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 77 PID 2516 wrote to memory of 1728 2516 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe 77 PID 1728 wrote to memory of 3864 1728 cmd.exe 79 PID 1728 wrote to memory of 3864 1728 cmd.exe 79 PID 1728 wrote to memory of 3864 1728 cmd.exe 79 PID 4044 wrote to memory of 3252 4044 @[email protected] 81 PID 4044 wrote to memory of 3252 4044 @[email protected] 81 PID 4044 wrote to memory of 3252 4044 @[email protected] 81 -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3864 @[email protected] 4044 @[email protected] 4044 @[email protected] 3864 @[email protected] -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe 3252 taskhsvc.exe -
Drops startup file 6 IoCs
description ioc Process File created (read-only) C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDAAC0.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDAAC0.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File deleted C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDAAC0.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File created (read-only) C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDAAD6.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDAAD6.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe File deleted C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDAAD6.tmp ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-638615289-2068236702-2426684043-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4072 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"1⤵
- Suspicious use of WriteProcessMemory
- Drops startup file
- Sets desktop wallpaper using registry
PID:2516 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:4072
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:4080
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:2224
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 258261583416504.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:4008
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:4044 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3252
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C:\Windows\SysWOW64\cmd.exePID:1728
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3864
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