Analysis
-
max time kernel
167s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe
Resource
win7-20220414-en
General
-
Target
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe
-
Size
1.9MB
-
MD5
bc89ccd9f7b8c62579d6f66b8d19e0a6
-
SHA1
fb96cf32c3707f7b01816f2f646a90749f976496
-
SHA256
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d
-
SHA512
4a84f32430fc3779a2c5e03982087a7da386a4021212816a85dd261e42796152441323074a3153b20b8fc4a98a8c6788c45d47cd43156fe1f970ad18fc8921f6
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeDesktopLayer.exepid process 4168 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe 3852 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe upx C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/4168-136-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/3852-138-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px2B17.tmp e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970652" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "364085241" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1498816695" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1506317490" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30970652" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1498816695" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970652" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{84CFFADA-FF0F-11EC-B274-DA7DD4493A95} = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe 3852 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 4700 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exedescription pid process Token: SeDebugPrivilege 880 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 4700 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 4700 iexplore.exe 4700 iexplore.exe 3604 IEXPLORE.EXE 3604 IEXPLORE.EXE 3604 IEXPLORE.EXE 3604 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exee1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 880 wrote to memory of 4168 880 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 880 wrote to memory of 4168 880 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 880 wrote to memory of 4168 880 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe PID 4168 wrote to memory of 3852 4168 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 4168 wrote to memory of 3852 4168 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 4168 wrote to memory of 3852 4168 e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exe DesktopLayer.exe PID 3852 wrote to memory of 4700 3852 DesktopLayer.exe iexplore.exe PID 3852 wrote to memory of 4700 3852 DesktopLayer.exe iexplore.exe PID 4700 wrote to memory of 3604 4700 iexplore.exe IEXPLORE.EXE PID 4700 wrote to memory of 3604 4700 iexplore.exe IEXPLORE.EXE PID 4700 wrote to memory of 3604 4700 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe"C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeC:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.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 behavior: GetForegroundWindowSpam
- 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:4700 CREDAT:17410 /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.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
471B
MD5792d1cce1523ee29fa8eac86e4ad0b5d
SHA1dbea5ff511dc06e72abc982c287a831385ecaf54
SHA256a852ffad56b7ca65729a0311c4056024f5e6becbae353a4cf83a560cecd7399d
SHA512199cde64a2cf0064a8786cd1fb544f225dd42b90b78013e97b238daebe8e641e716be51ae8840fd6def08d50242abdb68732e126160cc66d9bb7a0e4e3386631
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
404B
MD5f0ddf66bb72339f98d2caedef3b7306f
SHA19a93e664ac6e024428cc5b522ad29abc26608b47
SHA25673144aecf5f1d6bef83e17877326a750bd4ecdb90fc5c1e09cfe726cd82e95d6
SHA5123339a67c4f75e20dcbd489e36c1ec55c8bab1fce2496ad8048d6d7c8ef627352f4f803a11ed5f1aedec37c97ad7f9d530d34cc98540d234bfb020a95e515fabf
-
C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Users\Admin\AppData\Local\Temp\e1b02016b2cc99dd8de1f8bf93ec7ed7f8630b77d483888be2bf28df9027967dSrv.exeFilesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
memory/880-130-0x0000000000400000-0x00000000005E8000-memory.dmpFilesize
1.9MB
-
memory/880-139-0x0000000000400000-0x00000000005E8000-memory.dmpFilesize
1.9MB
-
memory/3852-134-0x0000000000000000-mapping.dmp
-
memory/3852-138-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
-
memory/4168-131-0x0000000000000000-mapping.dmp
-
memory/4168-136-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB