Analysis
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max time kernel
111s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03/11/2024, 04:52
General
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Target
d2981f485ecfea5a758df343b213c6f7ae11ad832ba8a3ebcfb24721b4d11181N.exe
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Size
380KB
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MD5
9f7ecea5099b6c58811e520626edc950
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SHA1
c7fc3a2f6df0af7eae0e520189c832dfb502cc08
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SHA256
d2981f485ecfea5a758df343b213c6f7ae11ad832ba8a3ebcfb24721b4d11181
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SHA512
2bf46e3ee205952b6dec49e03edda36d6bb7a002ed8a165108ca60c2f3991484ceea3dfc48d7f1be4cc861bef598b45c3d5e1e66e99f5a556726d2c6952e368f
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SSDEEP
6144:CaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:umWhND9yJz+b1FcMLmp2ATTSsdwmryP
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\d2981f485ecfea5a758df343b213c6f7ae11ad832ba8a3ebcfb24721b4d11181N.exe"C:\Users\Admin\AppData\Local\Temp\d2981f485ecfea5a758df343b213c6f7ae11ad832ba8a3ebcfb24721b4d11181N.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
57KB
MD582a99ba6cff66f4ec159d18062223372
SHA1dc5302352ed12271342f7cce4682fa7baaeaa896
SHA256f28fdb1cd6d9dc38ce162207d43684a07b34b04fa5577dd61244130f2658bc3a
SHA51293c6354bb488d104871d93e6d40c89e2eb38d9234d7fb342ba67806cf493d0580817387237c96fc01903c58c5d5c7c91cde20ff464f9a9ff079a72ea9acb67e5
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Filesize
42KB
MD5dc7c6de5f7835554082b23ae986ea061
SHA10add3f826e4510bfdf014912fc5de8632b9a453a
SHA256356ccf7ac922631676dea68755b9660f0057cdafef36b558821184dd205a468b
SHA51223e1d8150b7b7e0c4a84199469f4c8b36ef6f034811ceab3a14fd3f2f27dc9d7c5f400a7e519d1462b5add53a2c1d463c56c83955c9a4052a0c796d1cfa35175
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Filesize
380KB
MD5488bd22ca536f7e01383001666f70889
SHA1f29f8c6b33fbb45169197c149af1d8dd7b9766cf
SHA25614d861cab624a44f5548538ad720cf533ad234d2a7f36e4da62446b4643c90b7
SHA512e7ae48d5752bbdc7b3009e70aa8e6c2112aa8bd079066a7833f60e9a4039efd94d2deb0d545678f1d12e40ef22a4dfc0d1e7e071e5072a9a9a94cc25585ac52e
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
672KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
428KB