Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 07:48
Static task
static1
Behavioral task
behavioral1
Sample
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe
Resource
win10v2004-20221111-en
General
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Target
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe
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Size
478KB
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MD5
e46421290522060e95dc6c6ac9bab9c8
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SHA1
08aaa1203dca088e366ea31253ec264ca710f015
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SHA256
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2
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SHA512
d590f467b8ebcc8805d910506585033c29c6f3f47b232cf2ebbfea91bf139e135b197ecd8a599521b25cf45fa0e46932e992842651ffe4d0c71b9c2d866369a5
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SSDEEP
6144:/ipL4qsxpzEeqcQL3dOk+yrctZl/nS0JSAS2cu1PfFjHNNj9iL:/6UZbzH2Ok+HbrJSycwl/j90
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\udotyrug = "C:\\Windows\\ytiwuwoz.exe" explorer.exe -
Processes:
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exec7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exedescription pid process target process PID 1752 set thread context of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 864 set thread context of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe -
Drops file in Windows directory 2 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\Windows\ytiwuwoz.exe explorer.exe File created C:\Windows\ytiwuwoz.exe explorer.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1888 vssadmin.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exepid process 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 1784 vssvc.exe Token: SeRestorePrivilege 1784 vssvc.exe Token: SeAuditPrivilege 1784 vssvc.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exec7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exeexplorer.exedescription pid process target process PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 1752 wrote to memory of 864 1752 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe PID 864 wrote to memory of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe PID 864 wrote to memory of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe PID 864 wrote to memory of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe PID 864 wrote to memory of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe PID 864 wrote to memory of 1516 864 c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe explorer.exe PID 1516 wrote to memory of 1888 1516 explorer.exe vssadmin.exe PID 1516 wrote to memory of 1888 1516 explorer.exe vssadmin.exe PID 1516 wrote to memory of 1888 1516 explorer.exe vssadmin.exe PID 1516 wrote to memory of 1888 1516 explorer.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe"C:\Users\Admin\AppData\Local\Temp\c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe"C:\Users\Admin\AppData\Local\Temp\c7715cabaa44e33a7e60bc3599924d77e0021383d2f6b1b0ecd5e84bcbfb62c2.exe"2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\system32\explorer.exe"3⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet4⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\itepoqipifegakiz\01000000Filesize
478KB
MD592413f283a0c5634aa408bd17062c92b
SHA17a358e96a0594e0d191c06244c066ea8fb0718e5
SHA256ebf4bfb89c451d178586a0d2961071e76661a8eae0758e6ba8c764ab47f85298
SHA51220176a82a36a0bb724d9b85a5dd9128aa36d36f32e7feb33d298b1e256fbb7dedb6252cf6528875c4d4c1ca86cc0338168e112ea3dcdeeadd627c3343a5bfc81
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memory/864-69-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-78-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-68-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-61-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-62-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-64-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-65-0x000000000040B283-mapping.dmp
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memory/864-66-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-60-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-58-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/864-55-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/1516-81-0x0000000072D11000-0x0000000072D13000-memory.dmpFilesize
8KB
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memory/1516-74-0x000000000012A9D0-mapping.dmp
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memory/1516-76-0x00000000750B1000-0x00000000750B3000-memory.dmpFilesize
8KB
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memory/1516-70-0x0000000000110000-0x000000000014C000-memory.dmpFilesize
240KB
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memory/1516-72-0x0000000000110000-0x000000000014C000-memory.dmpFilesize
240KB
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memory/1516-79-0x0000000000110000-0x000000000014C000-memory.dmpFilesize
240KB
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memory/1752-54-0x0000000076261000-0x0000000076263000-memory.dmpFilesize
8KB
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memory/1888-80-0x0000000000000000-mapping.dmp