Analysis
-
max time kernel
89s -
max time network
98s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 00:19
Static task
static1
Behavioral task
behavioral1
Sample
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe
Resource
win7v20210410
General
-
Target
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe
-
Size
2.0MB
-
MD5
a22db3a88fc3874d6b18ce916712c617
-
SHA1
a2eff36a125c138ea3c85a1f44994825c772c51a
-
SHA256
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a
-
SHA512
f12fdba2e9963a3139557e82e1000703facb9c7832638a66f8ede521e1cd57bb77b0be4bfd61a4c2bde50d306bf1870404835f23ea5c2e15647b04f3c351bb56
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exeDesktopLayer.exepid process 3156 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe 4036 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe upx C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/3156-123-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Processes:
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe -
Drops file in Program Files directory 3 IoCs
Processes:
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\pxB675.tmp 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
iexplore.exeIEXPLORE.EXE07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327209463" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327209294" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{34141138-B529-11EB-B2DB-FA5C9235AE05} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327209351" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe 4036 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3756 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exeiexplore.exeIEXPLORE.EXEpid process 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 3756 iexplore.exe 3756 iexplore.exe 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 640 wrote to memory of 3156 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe PID 640 wrote to memory of 3156 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe PID 640 wrote to memory of 3156 640 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe PID 3156 wrote to memory of 4036 3156 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe DesktopLayer.exe PID 3156 wrote to memory of 4036 3156 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe DesktopLayer.exe PID 3156 wrote to memory of 4036 3156 07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe DesktopLayer.exe PID 4036 wrote to memory of 3756 4036 DesktopLayer.exe iexplore.exe PID 4036 wrote to memory of 3756 4036 DesktopLayer.exe iexplore.exe PID 3756 wrote to memory of 2116 3756 iexplore.exe IEXPLORE.EXE PID 3756 wrote to memory of 2116 3756 iexplore.exe IEXPLORE.EXE PID 3756 wrote to memory of 2116 3756 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe"C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3a.exe"1⤵
- Checks whether UAC is enabled
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exeC:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3756 CREDAT:82945 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\07ba9d3c4a1ba1ce4b90461cf0d7f166a958facbe115b7bb88c4210054f86a3aSrv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
memory/2116-127-0x0000000000000000-mapping.dmp
-
memory/3156-114-0x0000000000000000-mapping.dmp
-
memory/3156-122-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
-
memory/3156-123-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
-
memory/3756-121-0x0000000000000000-mapping.dmp
-
memory/3756-126-0x00007FFAF67C0000-0x00007FFAF682B000-memory.dmpFilesize
428KB
-
memory/4036-117-0x0000000000000000-mapping.dmp
-
memory/4036-120-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB