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Analysis
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max time kernel
115s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17/12/2024, 08:47
General
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Target
eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.exe
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Size
218KB
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MD5
31015808ef52cbd72858c42a669c1c30
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SHA1
bb119bec9246accca880047fc9534125932c61ca
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SHA256
eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58
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SHA512
88c1738429ef2d3c0d9fd4f3808ba6dc9748081b3a0d0a0416e56995ddadc56aaa318f68d2ed5af67e924e230b1d3a54e5ba63fdc4f5d94d7ee48c93cdb6291a
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SSDEEP
3072:Dvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:71SyAJp6rjn1gOObn4b6h9h
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.exe"C:\Users\Admin\AppData\Local\Temp\eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
1KB
MD53b103449b2dc44b5b91b16988c2832d1
SHA17e2bfaa96290fdd42c5e77ba85ed50aa0f1450d4
SHA256d837d434c3303151f0b06e7d83c0f1796fa412b20acdc46f15f0bf3451cd6821
SHA512f991145c6d183d06c8837faa63adfbcff2ac15918e9e166d82e8423570dca949b281ec2edb5b09fdc82eba3bc354b997974a7c9de32607fac9f927264e2ca893
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Filesize
218KB
MD5c3073b59419c6ec508064485cc414a0c
SHA19758c6c09febe1043f3945b13dc635bf87589e36
SHA25670cb8407b2599aacfe16c0f57a56f1b9ff3437ba7104bc7af3d5cb6667bb1661
SHA5120fa6ceb652488c54e7141eea50dcbebc5e196a4b42a906183e55095857031fae7ed95dee2b64f97a95f2303d969c496204aade0d0232e39679af1f857ad2adf8
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB