Analysis
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max time kernel
110s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-12-2024 13:34
General
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Target
6b02ef4e9e4321cf7f7e3995e01939c33fc1bd08310624d9c154d2f6564ffffaN.exe
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Size
218KB
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MD5
673a642368f6070a966148fc7b947330
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SHA1
c800f1b2776b4a33b6060339df973357a7c4df43
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SHA256
6b02ef4e9e4321cf7f7e3995e01939c33fc1bd08310624d9c154d2f6564ffffa
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SHA512
f6a905c3811a7bd8e5b964118fd61bf3d253e1116f862033f5506cde5040c0f51d4ea5006a90902e1927ce14617751c55c8d21172ecc51fd9902c53b0c581061
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SSDEEP
3072:evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:g1SyAJp6rjn1gOObn4b6h9h
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6b02ef4e9e4321cf7f7e3995e01939c33fc1bd08310624d9c154d2f6564ffffaN.exe"C:\Users\Admin\AppData\Local\Temp\6b02ef4e9e4321cf7f7e3995e01939c33fc1bd08310624d9c154d2f6564ffffaN.exe"1⤵
- 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
Loading Replay Monitor...
Downloads
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Filesize
481B
MD516ed1480814e19be003509f152dc4a32
SHA18e86f30ebc8065607e9a4b7786b36eda4e0e4aac
SHA2566b684ffed7049809e1ebea5ca4e2428e3acb96efabb2d9fd97f6b6fccba6a578
SHA5124ec9f404eac2d96fc1b967c3ec3d751aae0c39deb50f94f9186ac0ec0a0242630c3890cba4e8f40e97d8f3f6747c6c0efe2a862eb06ae899530516ca062320a8
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Filesize
218KB
MD5f22c11310e8a9c7b9a42fb078a333ad4
SHA10c3739cc43dfa722cc4e824e99d72c03eb98a1f9
SHA2560ca45eef6c0c7f4612c98db01eb98e5c493c5a60d74345d69e0c0690be44e8dc
SHA512ec2627b018625ae6064d33bdc3eddf177074018b67cebc0985daecbd621924afc425060fb8c3766bdd1e527aeb941501d7bcaf1393440db7e655f3430c0160e2
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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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
1.7MB
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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
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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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
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Filesize
728KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB