Analysis
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max time kernel
11s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22-12-2023 15:54
Behavioral task
behavioral1
Sample
e326b3ba48f867480c20c9f06d5cd655.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
e326b3ba48f867480c20c9f06d5cd655.exe
Resource
win10v2004-20231215-en
General
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Target
e326b3ba48f867480c20c9f06d5cd655.exe
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Size
1003KB
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MD5
e326b3ba48f867480c20c9f06d5cd655
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SHA1
6981d88ebf2ffbf320c155c6bfd7c286de38ff83
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SHA256
fa4b986944e52bceeee9297054e7983a083fede6d0eb4d4ef53c7d1370c2f200
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SHA512
4bbfa47cdb44137095f1f677c9d080f4bd011d086ceaf46577cd9d6795a4d0bf18db5f9f56736a20333614357aebd5f8c32078002e6a481168685dd1f6c06ef7
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SSDEEP
24576:GhIXH6/zRSw3VB8/DIbYvrrN+d8wrvAta4eCT:GhuHWV3VSSYv/od8wTAta4NT
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2012 e326b3ba48f867480c20c9f06d5cd655.exe -
Executes dropped EXE 1 IoCs
pid Process 2012 e326b3ba48f867480c20c9f06d5cd655.exe -
Loads dropped DLL 1 IoCs
pid Process 2552 e326b3ba48f867480c20c9f06d5cd655.exe -
resource yara_rule behavioral1/files/0x0009000000015c71-11.dat upx behavioral1/memory/2552-1-0x0000000000400000-0x000000000065C000-memory.dmp upx behavioral1/files/0x0009000000015c71-15.dat upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2696 schtasks.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 e326b3ba48f867480c20c9f06d5cd655.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 e326b3ba48f867480c20c9f06d5cd655.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2552 e326b3ba48f867480c20c9f06d5cd655.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2552 e326b3ba48f867480c20c9f06d5cd655.exe 2012 e326b3ba48f867480c20c9f06d5cd655.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2552 wrote to memory of 2012 2552 e326b3ba48f867480c20c9f06d5cd655.exe 18 PID 2552 wrote to memory of 2012 2552 e326b3ba48f867480c20c9f06d5cd655.exe 18 PID 2552 wrote to memory of 2012 2552 e326b3ba48f867480c20c9f06d5cd655.exe 18 PID 2552 wrote to memory of 2012 2552 e326b3ba48f867480c20c9f06d5cd655.exe 18 PID 2012 wrote to memory of 2696 2012 e326b3ba48f867480c20c9f06d5cd655.exe 22 PID 2012 wrote to memory of 2696 2012 e326b3ba48f867480c20c9f06d5cd655.exe 22 PID 2012 wrote to memory of 2696 2012 e326b3ba48f867480c20c9f06d5cd655.exe 22 PID 2012 wrote to memory of 2696 2012 e326b3ba48f867480c20c9f06d5cd655.exe 22 PID 2012 wrote to memory of 2664 2012 e326b3ba48f867480c20c9f06d5cd655.exe 25 PID 2012 wrote to memory of 2664 2012 e326b3ba48f867480c20c9f06d5cd655.exe 25 PID 2012 wrote to memory of 2664 2012 e326b3ba48f867480c20c9f06d5cd655.exe 25 PID 2012 wrote to memory of 2664 2012 e326b3ba48f867480c20c9f06d5cd655.exe 25 PID 2664 wrote to memory of 2612 2664 cmd.exe 23 PID 2664 wrote to memory of 2612 2664 cmd.exe 23 PID 2664 wrote to memory of 2612 2664 cmd.exe 23 PID 2664 wrote to memory of 2612 2664 cmd.exe 23
Processes
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C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe"C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exeC:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\schtasks.exeschtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe" /TN qm2lmOfce5f6 /F3⤵
- Creates scheduled task(s)
PID:2696
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C:\Windows\SysWOW64\cmd.execmd.exe /c schtasks.exe /Query /XML /TN qm2lmOfce5f6 > C:\Users\Admin\AppData\Local\Temp\ctsdr.xml3⤵
- Suspicious use of WriteProcessMemory
PID:2664
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C:\Windows\SysWOW64\schtasks.exeschtasks.exe /Query /XML /TN qm2lmOfce5f61⤵PID:2612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD55c38b7ba2f7d56dddb8640c41d081ade
SHA1a2b0e88abe49574d72dadedff2b3c4fce1c2d0eb
SHA256abf37848b83f2b46f23036859a7fb0502172bae647fa9925dee937c66afd168f
SHA512749b59e14daf64ff4ae37bb1022d9a71ecdcfe0335ef9e8df10ccd96f4a087ed62f4d2a4487e4da81f2b8fd2e52662182745b1aa9934df31028703b66c9e2048
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Filesize
221KB
MD53568ea6bad73d19cc8a1882c0cdf7401
SHA16549c2e033028fab3580ac132432eb787fc3e6a5
SHA2563172e1d2adf1568b47dd5d69aa28dcb21a3d29d461de3e9865001747e74b91ef
SHA512c808d45c27ed6a2231c62d7912be93b44b0a92824180047c7d95553dd7755ae383a8587e0617e9b7fa23057908d076d3bf95f8155b83d7ecd432983b2ed2a5ab
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Filesize
276KB
MD5e140f06ac496f661bea201afb78e2066
SHA1e744765c47e99f81973ff7e1391f0870f0afc7a3
SHA25667080b2f401e7ff236532eb83803fc67d1c62a0776f1cc667a46916d9d1a1c7a
SHA51265d23a9a392f9c4dba8e9eb27b0ed74a8a2771196d5dc931803142f4e6842588369a4b941ce1d29aa7f1d3bb1c76a51bb7bd2146e2b1781add2ccaf7e95ccbec