Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17-01-2025 10:17
General
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Target
c72cd4a7d8662c277273a9fde016f1645cec9cafe80dee0d4cfb4d2733899fe4.exe
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Size
686KB
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MD5
f1871bb58c3160ddbebc73ad0b8a92b9
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SHA1
d18f99fba57008671ef4e5d41b0ab40917f03e34
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SHA256
c72cd4a7d8662c277273a9fde016f1645cec9cafe80dee0d4cfb4d2733899fe4
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SHA512
9f988f408a42565d97cb1288805805117c335bd614e30f5d1d896e9fd93eecc2e45ea693040436ccaf4ebdc32763db9a2e69e2e7733368826225a232f0f9627a
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SSDEEP
12288:hmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpV:hmUNJyJqb1FcMap2ATT5itjCYZ3DSoV
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\c72cd4a7d8662c277273a9fde016f1645cec9cafe80dee0d4cfb4d2733899fe4.exe"C:\Users\Admin\AppData\Local\Temp\c72cd4a7d8662c277273a9fde016f1645cec9cafe80dee0d4cfb4d2733899fe4.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
686KB
MD5b5a95a7a6f79e0117176a7769f9d7997
SHA1e26306b52e5f1db6a93b449b35bbf11a722a4307
SHA256f041a5850780b1d393cec773ce8f82c0a594bff5e3696796538bc95628d4dd56
SHA512d938d14c97e31f0c42e8c375633bbb3e9799ffa603d1d503d206af80811c18129f4b5c00c240459e35706f24ff81230dd0651c446d643af3748eaf83240403e7
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Filesize
732KB
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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