Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 07:25
Static task
static1
Behavioral task
behavioral1
Sample
2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe
Resource
win10v2004-20220812-en
General
-
Target
2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe
-
Size
470KB
-
MD5
1325ea7384a4653a3a337381cfe180fa
-
SHA1
eb2eae4cc2a5c7356b4e00c0f3d44788c4ae27e0
-
SHA256
2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d
-
SHA512
dcaae00a97123d7d97773bdb52f99ea79c20f8a39a5366195c8fa916c7111f69117a91f259fef0ec7d6f67b7e69f734cfe7058c14696aef94ef4fcd1a0378b3d
-
SSDEEP
6144:eicL4qwxpzEuqcQM8sKndGxkL/Pu4tmB+K/mcm8aST97BX2Lc9i:enUlbzbuxW4uKmEK/mc+m97BWcw
Malware Config
Signatures
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iwecgbec = "C:\\Windows\\otedyhtq.exe" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1992 set thread context of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 2000 set thread context of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\otedyhtq.exe explorer.exe File opened for modification C:\Windows\otedyhtq.exe explorer.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1916 vssadmin.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1764 vssvc.exe Token: SeRestorePrivilege 1764 vssvc.exe Token: SeAuditPrivilege 1764 vssvc.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 1992 wrote to memory of 2000 1992 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 26 PID 2000 wrote to memory of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 PID 2000 wrote to memory of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 PID 2000 wrote to memory of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 PID 2000 wrote to memory of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 PID 2000 wrote to memory of 1528 2000 2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe 27 PID 1528 wrote to memory of 1916 1528 explorer.exe 28 PID 1528 wrote to memory of 1916 1528 explorer.exe 28 PID 1528 wrote to memory of 1916 1528 explorer.exe 28 PID 1528 wrote to memory of 1916 1528 explorer.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe"C:\Users\Admin\AppData\Local\Temp\2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Local\Temp\2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe"C:\Users\Admin\AppData\Local\Temp\2c6e410c276a53ad9c2f0560604a42bcd487e0d853b6f524b6db278ca112b81d.exe"2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000 -
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
PID:1528 -
C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet4⤵
- Interacts with shadow copies
PID:1916
-
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
470KB
MD5705293f6c34ad86d795f9aaae812d2de
SHA157456dfaa59ad6aac9c5ad24c2d8258b8454f574
SHA25675af1be6f13d86fc21dfab4d47b31410d63f85aacee46cb47426211f21210245
SHA5124adfc75eb6fa9c5c26c3e4323207ed7da5b96431ce60a890271c45715defe95cc1f79b0868dbb6dc6f5f8f092d8fba8d2c803c5e69ec6c3e28699fd351f613f6