Analysis
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max time kernel
151s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 16:26
Static task
static1
Behavioral task
behavioral1
Sample
455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe
Resource
win10v2004-20221111-en
General
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Target
455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe
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Size
341KB
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MD5
d3aed86aff91840def6af292030521db
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SHA1
373e2c08dd2e06549ab51ae178dddbbae3d446db
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SHA256
455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda
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SHA512
3dd541d2c2c8bae3754a360530eb1f5e25cf530199e719e045aeaa4a963b140c988b227289f25b258bae17ab05dcd09c0217cf16262c9f0937670d62e0cf8bdc
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SSDEEP
6144:v2AVHBPYuisP5NNYZ8Rls7QOJpdAfELzwXQTsC28PAjP+WM/H2RkI:L5vYC0zJpdCEepD+WMfsd
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1480 ykuzti.exe 516 ykuzti.exe -
Loads dropped DLL 9 IoCs
pid Process 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 708 WerFault.exe 708 WerFault.exe 708 WerFault.exe 708 WerFault.exe 708 WerFault.exe 708 WerFault.exe 708 WerFault.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\{CB118568-7F59-AD4D-CD9C-5E5DE9C17D40} = "C:\\Users\\Admin\\AppData\\Roaming\\Uvowxo\\ykuzti.exe" ykuzti.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\Currentversion\Run ykuzti.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1552 set thread context of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1480 set thread context of 516 1480 ykuzti.exe 29 PID 1748 set thread context of 888 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 32 -
Program crash 2 IoCs
pid pid_target Process procid_target 1720 1552 WerFault.exe 25 708 1480 WerFault.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Privacy 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0" 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\6A2D35B0-00000001.eml:OECustomProperty WinMail.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe 516 ykuzti.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 1124 WinMail.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1124 WinMail.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1748 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 26 PID 1552 wrote to memory of 1720 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 27 PID 1552 wrote to memory of 1720 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 27 PID 1552 wrote to memory of 1720 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 27 PID 1552 wrote to memory of 1720 1552 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 27 PID 1748 wrote to memory of 1480 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 28 PID 1748 wrote to memory of 1480 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 28 PID 1748 wrote to memory of 1480 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 28 PID 1748 wrote to memory of 1480 1748 455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe 28 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 516 1480 ykuzti.exe 29 PID 1480 wrote to memory of 708 1480 ykuzti.exe 30 PID 1480 wrote to memory of 708 1480 ykuzti.exe 30 PID 1480 wrote to memory of 708 1480 ykuzti.exe 30 PID 1480 wrote to memory of 708 1480 ykuzti.exe 30 PID 516 wrote to memory of 1132 516 ykuzti.exe 17 PID 516 wrote to memory of 1132 516 ykuzti.exe 17 PID 516 wrote to memory of 1132 516 ykuzti.exe 17 PID 516 wrote to memory of 1132 516 ykuzti.exe 17 PID 516 wrote to memory of 1132 516 ykuzti.exe 17 PID 516 wrote to memory of 1188 516 ykuzti.exe 16 PID 516 wrote to memory of 1188 516 ykuzti.exe 16 PID 516 wrote to memory of 1188 516 ykuzti.exe 16 PID 516 wrote to memory of 1188 516 ykuzti.exe 16 PID 516 wrote to memory of 1188 516 ykuzti.exe 16 PID 516 wrote to memory of 1220 516 ykuzti.exe 15 PID 516 wrote to memory of 1220 516 ykuzti.exe 15 PID 516 wrote to memory of 1220 516 ykuzti.exe 15 PID 516 wrote to memory of 1220 516 ykuzti.exe 15 PID 516 wrote to memory of 1220 516 ykuzti.exe 15 PID 516 wrote to memory of 1552 516 ykuzti.exe 25 PID 516 wrote to memory of 1552 516 ykuzti.exe 25 PID 516 wrote to memory of 1552 516 ykuzti.exe 25 PID 516 wrote to memory of 1552 516 ykuzti.exe 25 PID 516 wrote to memory of 1552 516 ykuzti.exe 25 PID 516 wrote to memory of 1748 516 ykuzti.exe 26 PID 516 wrote to memory of 1748 516 ykuzti.exe 26 PID 516 wrote to memory of 1748 516 ykuzti.exe 26 PID 516 wrote to memory of 1748 516 ykuzti.exe 26 PID 516 wrote to memory of 1748 516 ykuzti.exe 26 PID 516 wrote to memory of 1720 516 ykuzti.exe 27 PID 516 wrote to memory of 1720 516 ykuzti.exe 27 PID 516 wrote to memory of 1720 516 ykuzti.exe 27 PID 516 wrote to memory of 1720 516 ykuzti.exe 27 PID 516 wrote to memory of 1720 516 ykuzti.exe 27 PID 516 wrote to memory of 1480 516 ykuzti.exe 28 PID 516 wrote to memory of 1480 516 ykuzti.exe 28 PID 516 wrote to memory of 1480 516 ykuzti.exe 28 PID 516 wrote to memory of 1480 516 ykuzti.exe 28
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1220
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C:\Users\Admin\AppData\Local\Temp\455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe"C:\Users\Admin\AppData\Local\Temp\455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe"C:\Users\Admin\AppData\Local\Temp\455f6e6ba667ed68d72ef3f77a09b033e1d34c1af7d16dc120d080e9c0c62eda.exe"3⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Users\Admin\AppData\Roaming\Uvowxo\ykuzti.exe"C:\Users\Admin\AppData\Roaming\Uvowxo\ykuzti.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Users\Admin\AppData\Roaming\Uvowxo\ykuzti.exe"C:\Users\Admin\AppData\Roaming\Uvowxo\ykuzti.exe"5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 1165⤵
- Loads dropped DLL
- Program crash
PID:708
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp667beaa6.bat"4⤵PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 1163⤵
- Program crash
PID:1720
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1188
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1132
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C:\Program Files\Windows Mail\WinMail.exe"C:\Program Files\Windows Mail\WinMail.exe" -Embedding1⤵
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1124
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C:\Windows\system32\conhost.exe\??\C:\Windows\system32\conhost.exe "4080988926241801491081384451-6701979841759966134-869336091-2531670782085626532"1⤵PID:984
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
307B
MD554f46c6ce65fae97e2ea3a3d0bc4d878
SHA16db15a92ff0e4f385e1d6252fce187c73dff4498
SHA2566f48abcb1f7a63a8c8fcb7f82a803d7fbaf4def4cc28fe547b843f799d7e5c62
SHA5120d2d4f802d518e027deb7c43362e84532d8b4b6e39077ebd7ea92c6b37ac75a8ce1059730e17db9effe6a194c3998bb309e6f46ab00920e626895dc037185b7d
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158
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Filesize
341KB
MD5df4f4d000fa6cedbeaa06843ba42cf4c
SHA17a9902eb7a7e0f3c0f4d133a6c4185e881f386f5
SHA256462ff7946e1496e36898e4dd82cd8b25b6e115a00099656643d025849db9ca3e
SHA512247c0d3769d8aff640e90d840315628c6a11caa93a261c2fe2e0e70ad7fc880879cc168c3f6d8be63ae1825305a21d6f05c5ae91e2dcde2ddd2bc7d3e5028158