Analysis
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max time kernel
149s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
22-11-2022 18:42
Static task
static1
Behavioral task
behavioral1
Sample
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe
Resource
win10v2004-20220812-en
General
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Target
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe
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Size
275KB
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MD5
d4779bc08d96b078630f96dcb14922c7
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SHA1
6360ff5c40bbc71a2c3b9fcfbb7ac7132726b8a4
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SHA256
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9
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SHA512
b41fb2dba4d9847f727664c33e584100ad043e927b8ff50a89ff75c74bf97e16678a8a757f95114e380c4644405a1e4540bb42b487cf31e3271649a9a8b0175e
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SSDEEP
6144:i7FMN4B+8iWDVrKgZZpx0fZLcyyGnp2lbuTtC0watGm4:eFS4PBDV+qrxoLcyyGpey9tGm
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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Drops startup file 1 IoCs
Processes:
explorer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69fba41.exe explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*9fba4 = "C:\\69fba41\\69fba41.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\69fba41 = "C:\\Users\\Admin\\AppData\\Roaming\\69fba41.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*9fba41 = "C:\\Users\\Admin\\AppData\\Roaming\\69fba41.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\69fba4 = "C:\\69fba41\\69fba41.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 1628 vssadmin.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exeexplorer.exepid process 1516 68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe 2040 explorer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 556 vssvc.exe Token: SeRestorePrivilege 556 vssvc.exe Token: SeAuditPrivilege 556 vssvc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exeexplorer.exedescription pid process target process PID 1516 wrote to memory of 2040 1516 68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe explorer.exe PID 1516 wrote to memory of 2040 1516 68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe explorer.exe PID 1516 wrote to memory of 2040 1516 68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe explorer.exe PID 1516 wrote to memory of 2040 1516 68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe explorer.exe PID 2040 wrote to memory of 692 2040 explorer.exe svchost.exe PID 2040 wrote to memory of 692 2040 explorer.exe svchost.exe PID 2040 wrote to memory of 692 2040 explorer.exe svchost.exe PID 2040 wrote to memory of 692 2040 explorer.exe svchost.exe PID 2040 wrote to memory of 1628 2040 explorer.exe vssadmin.exe PID 2040 wrote to memory of 1628 2040 explorer.exe vssadmin.exe PID 2040 wrote to memory of 1628 2040 explorer.exe vssadmin.exe PID 2040 wrote to memory of 1628 2040 explorer.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe"C:\Users\Admin\AppData\Local\Temp\68737036df3727e2634ef2b62e360af8e8c15d252b9624d0e1334fa72766fed9.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\syswow64\explorer.exe"C:\Windows\syswow64\explorer.exe"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\syswow64\svchost.exe-k netsvcs3⤵PID:692
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C:\Windows\syswow64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
PID:1628
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:556