Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
26-12-2024 00:58
General
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Target
a8730e435da3a455fa74119f977027c1295953ff54318c98f96a3544699ecf2aN.exe
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Size
204KB
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MD5
54efda3cb89399abf6145d3987439570
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SHA1
c03bb0df3d6893c2e71cbb90a25e08f88581fa13
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SHA256
a8730e435da3a455fa74119f977027c1295953ff54318c98f96a3544699ecf2a
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SHA512
e6c84386978958f3bb8690c26fd35fd128e6d1c339cb4be3710ad701b76b204dc656acca388c901dce564ebb0228ceeed553a2f828bbe8d4a99dae66df3259d8
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SSDEEP
3072:+5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:+LexkuRaX41xoyJV65gzyZko+uch
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\a8730e435da3a455fa74119f977027c1295953ff54318c98f96a3544699ecf2aN.exe"C:\Users\Admin\AppData\Local\Temp\a8730e435da3a455fa74119f977027c1295953ff54318c98f96a3544699ecf2aN.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
Loading Replay Monitor...
Downloads
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Filesize
204KB
MD5839f7895bedb128a7794ee77e34f1b4e
SHA1c816b5fe2b46fcde6eb443f9121c9cf453cf2762
SHA256e64eef761889ecf7540abebf3980de21b176f21c0cde35ae3559a3c7c1b702c1
SHA512702d23ab0e12acda052b96c377bc93bc1ad682310534f9ba0fce5e7a8d468860e85ef97d8bed416398ce8bb87175708ef03b4adf29fcfa710715d0e7c249d431
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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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
1.5MB
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Filesize
1.5MB
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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
1.5MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
324KB