Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01/11/2024, 23:32
General
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Target
a8931df264af10ae51b4037c06ca8c68a5994a632f6d6ad471925b5719a75a01N.exe
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Size
375KB
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MD5
4ed0cd9bf51bcd82f8a8f034797cd560
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SHA1
339c210019083e788a4850dda2d9e1c4b7ac9fb1
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SHA256
a8931df264af10ae51b4037c06ca8c68a5994a632f6d6ad471925b5719a75a01
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SHA512
7762d42d83928ff553990f9051aaf333f770aad03fb1fb1b36e65f5b18fb57124d082bca97f9423142981c347e6585dcad89b5e12643559e1e62ca92e65c544a
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SSDEEP
6144:i3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:dmWhND9yJz+b1FcMLmp2ATTSsdU
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\a8931df264af10ae51b4037c06ca8c68a5994a632f6d6ad471925b5719a75a01N.exe"C:\Users\Admin\AppData\Local\Temp\a8931df264af10ae51b4037c06ca8c68a5994a632f6d6ad471925b5719a75a01N.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD5de6dbcaccb3b996b34972185bea9aa5b
SHA16bccea1f0d5101c8ebb327c16c0ffd479671e932
SHA2564c3112440bfb432ad0047fbf2f8b722ad07be85253c8319151ae43cab79afe41
SHA51287c2d2f81ce4ca7c10b2d2e78d47332c1d54fac4a1796b074d9156f164f9244165e15c4a06b7148ed18da244f2e30f1861c64780bb62a2c5cc0333e04069b7a9
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Filesize
42KB
MD5496860491eb59544fb6d39874c56b831
SHA1e579e87ccfa4b8a6d967b860bd9cd3dbf4633f43
SHA256bf3fc2a9122c13ff61eafa8a55bbccd68978e8474fa51e264ed087328982f325
SHA512b2e74b44fac1beb23c5a6dec6ad0fa076455eecda30c7d490e530598cbea7084c86b95a287d33951f67b64fdbb663bcf4b9845f653acf360d81ef03090385152
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Filesize
24KB
MD5175a6e3f13514a4933ee268779dc6f3e
SHA136858cb9a3cb39b7d0428ac0bdbab552544f8573
SHA256b73ef090eaa41fdca9694397475447c142d3ac0952c20d71cdfaef4e334d2c06
SHA512c04f928d8fb38bfbd65ec588e0f9f8b224a031e953f83fb83eaaaf7aacdb3d6afa8c39a87cc298dfd024d6f7632a497425762bddc3c60279e5e11fd877015bf7
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Filesize
57KB
MD5ed8cd87c057b1be0cbffae15ddb47c18
SHA101165b38220d890d3889a2e0050dd95c6cd901b2
SHA25698bba70efc8eaf42a1edcc2c11274a23ef73bf87447bf0118fe583e609c9e5a2
SHA512de0ca28b296247abdf5f90ef24bd6f61879d3d28f9d3d1673c2d236d6e11c36b897ce5839e550a00a629cd18f9e88695124f42e7e506fa761ca5d9f904b07959
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Filesize
481B
MD5ef76915fe5c4d95b517a46ae3c4448ee
SHA1e1d2de862be8beb7863b11f49b00574dd58f032f
SHA256f75fb98a74a6ec3d91c9bd74430cf972973a92819b98d4127c2500c36dfe62ae
SHA5122bfed473b220d3957b8a1906514812020075bde43e91605702a82d344acbd3f80cf09faaa5aa6f634b17225be7e5f519236206595bdf63dffec66fcfe9c04f9a
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Filesize
375KB
MD55ae7306790bdd7eeae9a0aaf6ba624bd
SHA12ed90837c76c5fa9172442ef4ff30d32ea129162
SHA256d3989e7b5f01dc36a73da8ce547b9f3cd384e92914a7b94d48189349c3548486
SHA51204813a78fce21142be1677bcc85ea08e6d32bb3e130295cd58d9f02c6b1d7ed25735969a02bf81dd36ca54a4f5337644ea4126eb360b52c0d4650517fc639d53
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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
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
400KB
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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
672KB
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Filesize
400KB
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Filesize
400KB
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Filesize
400KB