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Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
31/10/2023, 19:05
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe
Resource
win7-20231023-en
General
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Target
NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe
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Size
141KB
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MD5
a104af8e0067fd605e098d1b24e13410
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SHA1
c881014e7aadc7ebed912f1d07d25a4109b9ab3e
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SHA256
1bc7be609a83bfa86ee69afd364420968cf6e37e4f2720e61c2b2fd70fb7a8ec
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SHA512
0b7db8820505dd289afcd898256c8228d9693f3433f6ee14d89348839762397625deb15b15c51ec2e539a086a5fabc8f225b4b8634fc7b027aa48486cc7fd190
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SSDEEP
3072:K3kHmMsmRUOMfCECCeZlmgchdvz6xs9PY0X85jx08aAP52jKR2jKqRWQ:zHbRUOqwC4mgg44jKojKqRb
Malware Config
Extracted
urelas
121.88.5.183
218.54.28.139
Signatures
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Deletes itself 1 IoCs
pid Process 2756 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2716 rkfc.exe -
Loads dropped DLL 1 IoCs
pid Process 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2716 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 28 PID 2888 wrote to memory of 2716 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 28 PID 2888 wrote to memory of 2716 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 28 PID 2888 wrote to memory of 2716 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 28 PID 2888 wrote to memory of 2756 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 29 PID 2888 wrote to memory of 2756 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 29 PID 2888 wrote to memory of 2756 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 29 PID 2888 wrote to memory of 2756 2888 NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.a104af8e0067fd605e098d1b24e13410_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Users\Admin\AppData\Local\Temp\rkfc.exe"C:\Users\Admin\AppData\Local\Temp\rkfc.exe"2⤵
- Executes dropped EXE
PID:2716
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
PID:2756
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
512B
MD54b1300debfd02ba9d6c7cba3fd7f7773
SHA11ecbc29ae3f25e7feb04cb76dc247ed4be294626
SHA256ea19d7220ab8186afd2e4202edef17368aa2c380e8177bd45d96d98546b85c34
SHA51299ac9831fff42e8a4a12cb1b66da3f6b86fce55c152e18f7f7a7ccc1654ad3aa51cd158651ea4ca8022403454fb522d7711e5c9810d17608b2723a00de12f700
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Filesize
141KB
MD57172eb5ac389046514443b4b567c4db0
SHA1f291bc8e2aebe6d8b6d07722f4ef2e71881736bc
SHA2563dc3e0f446d20e3337019d0e9f3cd8ca38153c730daf33d516af8cb24ecb1690
SHA512b044347e75c57d83fbd12396cefefe0fd48f8c0ce59a6d8ddc88b2182f512491fc9e160e58842861df83bee1561fbfa7891e5081ace7413d50bcba4168e718c2
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Filesize
290B
MD5a79a57bbbecc50d6c574441b8d73b195
SHA1d03228140e56cf040d953a946374fed031d03525
SHA256c8df68da88a1156dc617f6c191d854f601072a204f99665b4e8a83057f2532ad
SHA5125f9fcc73175173ca7085d4a718bf2a4546ed4710f62ad0efc1f03305a800205716dc08007ad36cf677a394140432c0c0190bb70824dd9be48022de64f0c25816
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Filesize
290B
MD5a79a57bbbecc50d6c574441b8d73b195
SHA1d03228140e56cf040d953a946374fed031d03525
SHA256c8df68da88a1156dc617f6c191d854f601072a204f99665b4e8a83057f2532ad
SHA5125f9fcc73175173ca7085d4a718bf2a4546ed4710f62ad0efc1f03305a800205716dc08007ad36cf677a394140432c0c0190bb70824dd9be48022de64f0c25816
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Filesize
141KB
MD57172eb5ac389046514443b4b567c4db0
SHA1f291bc8e2aebe6d8b6d07722f4ef2e71881736bc
SHA2563dc3e0f446d20e3337019d0e9f3cd8ca38153c730daf33d516af8cb24ecb1690
SHA512b044347e75c57d83fbd12396cefefe0fd48f8c0ce59a6d8ddc88b2182f512491fc9e160e58842861df83bee1561fbfa7891e5081ace7413d50bcba4168e718c2