Analysis
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max time kernel
113s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-12-2024 04:14
General
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Target
5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.exe
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Size
208KB
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MD5
a40129703c98dd3978ebff8124ffbe10
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SHA1
7e9b16f22925c1cf2b64c7e6a7b7feb323c0681a
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SHA256
5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2
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SHA512
7bb54655935325a5a9dde511186936403a02f2a38a7f275bf8cc1887081850515f9b869cf53d3dffc5e6eeac950590889d3ac866eac5cb77a984699fa880a529
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SSDEEP
6144:0a1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:0bapK0JCmRcU9vVokfB
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\5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.exe"C:\Users\Admin\AppData\Local\Temp\5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.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
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Downloads
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Filesize
1KB
MD55c070aae69f137541130b889a506c592
SHA1a1b74f1e0601ff5f205712b5089796556223d287
SHA25681ed792d3de0c27950c54add20853f8ccbcb6f82116ab5f5ca17137e15d51f0d
SHA512fbbb04eb922fda923f58e6a3e639ed6650d7b85aea81b62c4e102bdbb2f238524f0f89f379e0a95b95d36eef62e52f5eecefac07130bffbb0d9771232f7d78c9
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Filesize
208KB
MD5b372eca3760d391f92edeae144943d02
SHA13037a570c744dad40baf11efe1a51845480de902
SHA256cb4eff84e5364b43e0bf7793487b31d867890c7db76bec04998bd812d4701add
SHA5127b68eb0f7d63d89e85fa0ffbf737334c7a3a0f7c86ef511e11046180fe7f0066bbd249cd90511f9f3f892d74d9706720203ba796a44de9ba48be86acdc120d09
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Filesize
12KB
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Filesize
380KB
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Filesize
412KB
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380KB
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12KB
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412KB
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Filesize
412KB
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Filesize
672KB
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Filesize
412KB
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728KB
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