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Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 23:55
Static task
static1
Behavioral task
behavioral1
Sample
39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe
Resource
win10v2004-20230915-en
General
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Target
39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe
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Size
1.1MB
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MD5
583d37942faedf8e44bd1a1878a560fc
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SHA1
0dbf4cb93e0ad0721b048fbde62bbb137646b5a4
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SHA256
39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10
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SHA512
2b73d599d8fcb0fe0fb38befdc276b0e34e3b04b6c0bcee012af5cfb6db4d26c1e9872bad77c7241b98d81442f72c5e08e8732cf5ed9227b026c4702e0b0181c
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SSDEEP
24576:VU3x9NhM3GOIeNfseZL9R2sXTFA+G64jrl80n0GXfeaai:Vw7M3GOIaBZL9R2sXTF9/4jrl80nlzai
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run MpLxDcE17.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MpLxDcE17 = "C:\\ProgramData\\YxKBUo3XvkFZP7p\\MpLxDcE17.exe" MpLxDcE17.exe -
Executes dropped EXE 1 IoCs
pid Process 2724 MpLxDcE17.exe -
Loads dropped DLL 2 IoCs
pid Process 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 2724 MpLxDcE17.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2724 MpLxDcE17.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe 2724 MpLxDcE17.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2364 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 27 PID 2328 wrote to memory of 2364 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 27 PID 2328 wrote to memory of 2364 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 27 PID 2328 wrote to memory of 1420 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 29 PID 2328 wrote to memory of 1420 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 29 PID 2328 wrote to memory of 1420 2328 39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe 29 PID 1420 wrote to memory of 2724 1420 cmd.exe 31 PID 1420 wrote to memory of 2724 1420 cmd.exe 31 PID 1420 wrote to memory of 2724 1420 cmd.exe 31 PID 1420 wrote to memory of 2724 1420 cmd.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe"C:\Users\Admin\AppData\Local\Temp\39479abc333ad1ba0b7cef2ba6c385e354be3cb787328503e630353a7b050f10.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\system32\cmd.execmd /c mkdir C:\ProgramData\YxKBUo3XvkFZP7p2⤵PID:2364
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C:\Windows\system32\cmd.execmd /c C:\ProgramData\YxKBUo3XvkFZP7p\MpLxDcE17.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\ProgramData\YxKBUo3XvkFZP7p\MpLxDcE17.exeC:\ProgramData\YxKBUo3XvkFZP7p\MpLxDcE17.exe3⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
755KB
MD5bf38660a9125935658cfa3e53fdc7d65
SHA10b51fb415ec89848f339f8989d323bea722bfd70
SHA25660c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa
SHA51225f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1
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Filesize
16KB
MD5973b4b2658796840ad6ff9ac1cb21383
SHA12ae4808a1d7e450707a9f928ea13cd73e5040431
SHA256f671045566c60930dc459aa30e2bb38f25525e670bf72f7b69c1f918ae3d9565
SHA51242e313fae2f84c6ecc7b5c2c4178bcbcf3043fd239d9b05f5614b64e2d8841a7fe54a0786c1b5752bb1b54079b9873d6ade63e7b00cb4118a007d3d0360d6b4c
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Filesize
16KB
MD5973b4b2658796840ad6ff9ac1cb21383
SHA12ae4808a1d7e450707a9f928ea13cd73e5040431
SHA256f671045566c60930dc459aa30e2bb38f25525e670bf72f7b69c1f918ae3d9565
SHA51242e313fae2f84c6ecc7b5c2c4178bcbcf3043fd239d9b05f5614b64e2d8841a7fe54a0786c1b5752bb1b54079b9873d6ade63e7b00cb4118a007d3d0360d6b4c
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Filesize
915B
MD546868fa44781a501088586680694e1be
SHA1f58776e05884daab122a0a7ad17d1b0485b637d3
SHA256bd4873230364fb5e8f14d68368b98b403713530a1b7e94bac070205b2262e7e6
SHA51239e61b6f7bfdfc87097a5326f1f33a81fcac5871ea485a72cb461dc744b31dd603c3cd68d24a2f9c8671144f7a26c408722ad20aa71fb76a0e81ef0917c0e423
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Filesize
604KB
MD541c0881a2ed7e8f264b6fb150c71fb68
SHA1e7d2dcf5361a3863ebbc3a9144abc782ff34dc7c
SHA256073031b8844a870a00c4edff435e4025e18f30912cc0b22dd31196666f5b1aa6
SHA512b8ef5dbbb502d0cf78de5dcfdadf818c5ecc59706f0c57a3830a5c61d154ac78be72a9f821777156749572e223dd072c732d69bf621b669b7406d73decc25959
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Filesize
604KB
MD541c0881a2ed7e8f264b6fb150c71fb68
SHA1e7d2dcf5361a3863ebbc3a9144abc782ff34dc7c
SHA256073031b8844a870a00c4edff435e4025e18f30912cc0b22dd31196666f5b1aa6
SHA512b8ef5dbbb502d0cf78de5dcfdadf818c5ecc59706f0c57a3830a5c61d154ac78be72a9f821777156749572e223dd072c732d69bf621b669b7406d73decc25959
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Filesize
755KB
MD5bf38660a9125935658cfa3e53fdc7d65
SHA10b51fb415ec89848f339f8989d323bea722bfd70
SHA25660c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa
SHA51225f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1