Analysis
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max time kernel
108s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30/12/2024, 21:15
General
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Target
67ec54f28083b825045238e39f964094cbafcccb953a8cd07ad0dd07481c85b2.exe
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Size
355KB
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MD5
1f3900e11e0746bcd6b91743efe31ff6
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SHA1
fa7362630cca757a711729f08a499167b8757b3b
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SHA256
67ec54f28083b825045238e39f964094cbafcccb953a8cd07ad0dd07481c85b2
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SHA512
1da843b7cbfa095dbf781392c16ee21b060a928f6a14f49314d90025ea55ba5439339a826ed9142f8b49ea4c3b5ad12d6704a178f827fec70653697f932a0886
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SSDEEP
6144:A3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiC:bmWhND9yJz+b1FcMLmp2ATTSsdC
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\67ec54f28083b825045238e39f964094cbafcccb953a8cd07ad0dd07481c85b2.exe"C:\Users\Admin\AppData\Local\Temp\67ec54f28083b825045238e39f964094cbafcccb953a8cd07ad0dd07481c85b2.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
355KB
MD578b093ac29ac8ed399aa944ea4bef0c0
SHA1d5fd4d46f723178674cdc6594ac170fb0da81e7c
SHA2569ff1e74a704c042c327ed83699d9539e9914c77a7d1f487b1737e5854d6a00ee
SHA512676687faa838c2b394c3393996015ef3c86c840ab0ff77fb612ada64850aee47a3c08e931e6244c3a277d204531367f4c83090696bd1a8f70ef85092769d5c67
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Filesize
380KB
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Filesize
672KB
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728KB
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