Analysis
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max time kernel
108s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17-01-2025 15:50
General
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Target
f873a5fb514a5876c826d83d4e467ff5b85dc628f81286e19f8f1bd349d4c422N.exe
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Size
355KB
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MD5
cbd329a5fa4dde7b1f18045aecc79c10
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SHA1
06e27381fbe580958fff2b8aa2d410830c26ece2
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SHA256
f873a5fb514a5876c826d83d4e467ff5b85dc628f81286e19f8f1bd349d4c422
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SHA512
93fe42ad13b1417a06e3763ba4eae240eb48134c672573874dedc283dd8d76b18bc3942ea741aec395296352e5cc71fe63f50289d4689ae02583b51d2491893b
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SSDEEP
6144:LgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:hmWhND9yJz+b1FcMLmp2ATTSsd
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\f873a5fb514a5876c826d83d4e467ff5b85dc628f81286e19f8f1bd349d4c422N.exe"C:\Users\Admin\AppData\Local\Temp\f873a5fb514a5876c826d83d4e467ff5b85dc628f81286e19f8f1bd349d4c422N.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
2KB
MD5c4e9dcab565588bcb75a319a14b52310
SHA1ef7a91ea66fafe5526fdb8c4f6806c80622e3da6
SHA256ffbb05dbd5a3e273309b2d3783f892101b58c40799d4cd302caa27ec1f6aa753
SHA51297dc1a3fd059c1e3dac4794411d220b80bd4d235e2f9c80d936d27864919a639c20f719f244e8a67e2007604f43a27ede22d6b32be0b18cf26a1aac0de5dbd39
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Filesize
355KB
MD5a07d0fd891b4def0f446be72d3bc9504
SHA1a1375bfae8516aaf17d2d7e58d9e39348b379619
SHA256f98332de967c0f97a9301ea1a24ca72f277ca218799f0da80e603f6ad2f1c883
SHA512e4fd7151e5cefe2eebae1284a6e0b210ae3a7edbf8bb1a279cdbf93e18396d43cab6de776e69eb921526a958cf689134793ea238f609038145ac5679b23ed2af
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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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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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
380KB