Analysis
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max time kernel
147s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 22:37
Behavioral task
behavioral1
Sample
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe
Resource
win10v2004-20220812-en
General
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Target
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe
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Size
545KB
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MD5
f6f4862300201bc35da7a240a0d6d4d4
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SHA1
254bc980c70e5ef312777a2f236dbfbed3cdc2c1
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SHA256
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5
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SHA512
248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e
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SSDEEP
12288:dM5DSN6aAH0XNp7gGpWa7U8oico9hJMBex+gQL0:dM5D18NpEGZNVlxnF
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
lsass.exepid process 840 lsass.exe -
Processes:
resource yara_rule behavioral1/memory/328-55-0x0000000000400000-0x00000000004FB000-memory.dmp upx \Win\lsass.exe upx C:\Win\lsass.exe upx behavioral1/memory/328-65-0x0000000000400000-0x00000000004FB000-memory.dmp upx C:\Win\lsass.exe upx behavioral1/memory/840-67-0x0000000000400000-0x00000000004FB000-memory.dmp upx behavioral1/memory/840-68-0x0000000000400000-0x00000000004FB000-memory.dmp upx -
Loads dropped DLL 1 IoCs
Processes:
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exepid process 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
lsass.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\run32 = "C:\\Win\\lsass.exe" lsass.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exelsass.exedescription ioc process File opened (read-only) \??\e: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\i: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\x: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\p: lsass.exe File opened (read-only) \??\h: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\o: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\q: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\t: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\i: lsass.exe File opened (read-only) \??\j: lsass.exe File opened (read-only) \??\y: lsass.exe File opened (read-only) \??\z: lsass.exe File opened (read-only) \??\a: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\k: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\l: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\u: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\b: lsass.exe File opened (read-only) \??\h: lsass.exe File opened (read-only) \??\b: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\g: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\j: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\n: lsass.exe File opened (read-only) \??\v: lsass.exe File opened (read-only) \??\w: lsass.exe File opened (read-only) \??\n: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\z: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\l: lsass.exe File opened (read-only) \??\r: lsass.exe File opened (read-only) \??\s: lsass.exe File opened (read-only) \??\p: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\w: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\q: lsass.exe File opened (read-only) \??\t: lsass.exe File opened (read-only) \??\u: lsass.exe File opened (read-only) \??\x: lsass.exe File opened (read-only) \??\m: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\r: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\s: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\a: lsass.exe File opened (read-only) \??\k: lsass.exe File opened (read-only) \??\m: lsass.exe File opened (read-only) \??\o: lsass.exe File opened (read-only) \??\f: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\v: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\y: d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe File opened (read-only) \??\e: lsass.exe File opened (read-only) \??\f: lsass.exe File opened (read-only) \??\g: lsass.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe -
Modifies registry class 37 IoCs
Processes:
explorer.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000000c55cb70122041707044617461003c0008000400efbe0c55cb700c55cb702a000000ed0100000000020000000000000000000000000000004100700070004400610074006100000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = c6003100000000007a55995017204436364538307e310000ae0008000400efbe7a5599507a5599502a000000ab5400000000140000000000000000000000000000006400360036006500380030006300320063003100320030003700350039003200330033006400620031006600610034006200390065003000380031006500360061003700330033006300380061006300650065006400360031003900320039003700620035003200620030006100630064003500620038006200310065003500000018000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000000c555b79100041646d696e00380008000400efbe0c55cb700c555b792a00000030000000000004000000000000000000000000000000410064006d0069006e00000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000000c55cb701100557365727300600008000400efbeee3a851a0c55cb702a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4c003100000000000c55e47210204c6f63616c00380008000400efbe0c55cb700c55e4722a000000000200000000020000000000000000000000000000004c006f00630061006c00000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4a003100000000007a559950102054656d700000360008000400efbe0c55cb707a5599502a00000001020000000002000000000000000000000000000000540065006d007000000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
lsass.exepid process 840 lsass.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exedescription pid process target process PID 328 wrote to memory of 1220 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe explorer.exe PID 328 wrote to memory of 1220 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe explorer.exe PID 328 wrote to memory of 1220 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe explorer.exe PID 328 wrote to memory of 1220 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe explorer.exe PID 328 wrote to memory of 840 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe lsass.exe PID 328 wrote to memory of 840 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe lsass.exe PID 328 wrote to memory of 840 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe lsass.exe PID 328 wrote to memory of 840 328 d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe lsass.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe"C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe C:\Users\Admin\AppData\Local\Temp\d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e52⤵PID:1220
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\??\c:\Win\lsass.exec:\Win\lsass.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
PID:840
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:2008
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
545KB
MD5f6f4862300201bc35da7a240a0d6d4d4
SHA1254bc980c70e5ef312777a2f236dbfbed3cdc2c1
SHA256d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5
SHA512248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e
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Filesize
545KB
MD5f6f4862300201bc35da7a240a0d6d4d4
SHA1254bc980c70e5ef312777a2f236dbfbed3cdc2c1
SHA256d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5
SHA512248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e
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Filesize
545KB
MD5f6f4862300201bc35da7a240a0d6d4d4
SHA1254bc980c70e5ef312777a2f236dbfbed3cdc2c1
SHA256d66e80c2c120759233db1fa4b9e081e6a733c8aceed619297b52b0acd5b8b1e5
SHA512248cc49f4574c06d0df5b9aa30c01cf37e560ca14db066f37ee19563dac5f7bf64d62ac496afac62c112c6d62247e81d3d080901595280e827617561066c005e