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Analysis
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max time kernel
139s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 19:38
Static task
static1
Behavioral task
behavioral1
Sample
2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
Resource
win7-20220812-en
General
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Target
2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
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Size
630KB
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MD5
601ddfdee593a71b12a072a8f25156b0
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SHA1
57516d50bced81ebe2d34328a12f3a97dcb9f59e
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SHA256
2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3
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SHA512
5e47fbea71b3ca6950f706520954c1f4063c74661a28a8999e63582213e72a7b17a74ac01dc658fbb38c34f7b43be87393ca363836bd1b4ad1665e299d5b5d49
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SSDEEP
12288:zyyKdVnyNhXCV4EkP7AIfzNXZ0b5NrnkcAqIV0A1caRIqDwm1:zKvyNhXCV4E8BXAfrnkcAqU0A7M
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3816 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe 4980 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x0009000000022e04-134.dat upx behavioral2/files/0x0009000000022e04-136.dat upx behavioral2/files/0x000a000000022e12-138.dat upx behavioral2/memory/3816-140-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x000a000000022e12-139.dat upx behavioral2/memory/4980-141-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px7813.tmp 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30988158" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988158" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371001002" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B0FDF637-4371-11ED-B696-466E527D41B2} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2714560252" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2714560252" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe 4980 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5032 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 5032 iexplore.exe 5032 iexplore.exe 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3876 wrote to memory of 3816 3876 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe 82 PID 3876 wrote to memory of 3816 3876 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe 82 PID 3876 wrote to memory of 3816 3876 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe 82 PID 3816 wrote to memory of 4980 3816 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe 83 PID 3816 wrote to memory of 4980 3816 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe 83 PID 3816 wrote to memory of 4980 3816 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe 83 PID 4980 wrote to memory of 5032 4980 DesktopLayer.exe 84 PID 4980 wrote to memory of 5032 4980 DesktopLayer.exe 84 PID 5032 wrote to memory of 2032 5032 iexplore.exe 85 PID 5032 wrote to memory of 2032 5032 iexplore.exe 85 PID 5032 wrote to memory of 2032 5032 iexplore.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe"C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exeC:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3816 -
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:4980 -
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:5032 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5032 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2032
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a