Analysis
-
max time kernel
96s -
max time network
142s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
15-05-2021 05:49
Static task
static1
Behavioral task
behavioral1
Sample
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe
Resource
win7v20210408
General
-
Target
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe
-
Size
140KB
-
MD5
9e2032b9d85fd8d9d34a0ba0d6d2911b
-
SHA1
cfd49ff587e8f67eb51e8d7888016b891340254d
-
SHA256
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9
-
SHA512
769535aee68186246bd6c6b57a0b75b6e03a2e085ed4210c05f0e83e2c6472b1040ae54a6692a98e5c3386059e43d580dd57b5a82f59e986b6e5495d9f584fe7
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeDesktopLayer.exepid process 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe 1908 DesktopLayer.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe upx C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe upx C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe upx \Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral1/memory/1140-72-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exebf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exepid process 520 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe -
Drops file in Program Files directory 3 IoCs
Processes:
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px63B2.tmp bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{429E23D1-B589-11EB-9E73-C65640CBF56B} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327250566" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DesktopLayer.exepid process 1908 DesktopLayer.exe 1908 DesktopLayer.exe 1908 DesktopLayer.exe 1908 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1864 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1864 iexplore.exe 1864 iexplore.exe 752 IEXPLORE.EXE 752 IEXPLORE.EXE 752 IEXPLORE.EXE 752 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exebf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 520 wrote to memory of 1140 520 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe PID 520 wrote to memory of 1140 520 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe PID 520 wrote to memory of 1140 520 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe PID 520 wrote to memory of 1140 520 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe PID 1140 wrote to memory of 1908 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe DesktopLayer.exe PID 1140 wrote to memory of 1908 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe DesktopLayer.exe PID 1140 wrote to memory of 1908 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe DesktopLayer.exe PID 1140 wrote to memory of 1908 1140 bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe DesktopLayer.exe PID 1908 wrote to memory of 1864 1908 DesktopLayer.exe iexplore.exe PID 1908 wrote to memory of 1864 1908 DesktopLayer.exe iexplore.exe PID 1908 wrote to memory of 1864 1908 DesktopLayer.exe iexplore.exe PID 1908 wrote to memory of 1864 1908 DesktopLayer.exe iexplore.exe PID 1864 wrote to memory of 752 1864 iexplore.exe IEXPLORE.EXE PID 1864 wrote to memory of 752 1864 iexplore.exe IEXPLORE.EXE PID 1864 wrote to memory of 752 1864 iexplore.exe IEXPLORE.EXE PID 1864 wrote to memory of 752 1864 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe"C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:520 -
C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeC:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1140 -
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
PID:1908 -
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
PID:1864 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1864 CREDAT:275457 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:752
Network
MITRE ATT&CK Enterprise 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\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
\Users\Admin\AppData\Local\Temp\bf2ec2c535921ddfae6951156f6ecc50936ce1bb9155fb5b646e221dcbc9eca9Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
memory/752-75-0x0000000000000000-mapping.dmp
-
memory/752-77-0x00000000006E0000-0x00000000006E2000-memory.dmpFilesize
8KB
-
memory/1140-62-0x0000000075C31000-0x0000000075C33000-memory.dmpFilesize
8KB
-
memory/1140-60-0x0000000000000000-mapping.dmp
-
memory/1140-72-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
-
memory/1140-71-0x0000000000230000-0x000000000023F000-memory.dmpFilesize
60KB
-
memory/1864-70-0x0000000000000000-mapping.dmp
-
memory/1864-78-0x0000000003F90000-0x0000000003F91000-memory.dmpFilesize
4KB
-
memory/1908-65-0x0000000000000000-mapping.dmp
-
memory/1908-69-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB