Analysis
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max time kernel
140s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
25-12-2024 19:19
General
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Target
3e7738d12a4f5555f35ebd0e27897b9df6b01e4d3499e1c8e1f489c35089a42b.exe
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Size
218KB
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MD5
7589517ba24bb47f7c6dba00581e1e17
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SHA1
d3bcf2d105d4d491c7076afd851d337dfd463d96
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SHA256
3e7738d12a4f5555f35ebd0e27897b9df6b01e4d3499e1c8e1f489c35089a42b
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SHA512
618fd33db6ace1fa63dcfc2bdeba49a37b152b051723e671e6c463992910d73bf53d8ce2c155241b74aed77425c9ce592096d790cddbfe6e6a662294fb9e63d2
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SSDEEP
6144:VEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:VEGDdQNHEwWlMxYG/wI
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\3e7738d12a4f5555f35ebd0e27897b9df6b01e4d3499e1c8e1f489c35089a42b.exe"C:\Users\Admin\AppData\Local\Temp\3e7738d12a4f5555f35ebd0e27897b9df6b01e4d3499e1c8e1f489c35089a42b.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
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD5a4a3b0e788f08c06da7171a30bf28141
SHA1e5cf5f16c7f9d45b891ed12680a249488cff2dd7
SHA256314d07208636e9094262094d6bc881b4a432eef264f6f158b8a11930c212bbe2
SHA5121a08b5f38d9056c92690054cc0095e03d3f61b8727be37b46ea9fac348ed328ad0d0c64cb4ba1c024918f337237912a8f4e0e183ed2f37d21f5edf16b5b369d0
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Filesize
42KB
MD5c1f0418953ad3a04e02eb56e26826915
SHA1b246631bfe082426406618b8e532d0454103b21f
SHA256680dff67775802b6cb60df5364a43325c8a93badbda05bc90c3955e309780351
SHA5123e75408005759a05ebe805a5d4b9ae604a349bee1001932ad5aa8afac8fb00429657c3fe7c4625b448d8b0517ac80cc5161866ee27ae467e43c0543f59aa16db
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Filesize
218KB
MD53af4e7ec368fd69d99f848afad86ac6a
SHA13b0fefacdc10d5600779102020764adb7364aad4
SHA25608914164ef04a26fa148172f0ec06994db6cb6f6572c4f4ab04a3def733c3cf1
SHA51216aa6d96a9db182c179f5bb39b5b061465918be0f171a390972ef45a8fb5439452f3725ae33a4cf50ed78db0cde43aa0e14411d71a33d9aa9ed73e7ff798ded3
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Filesize
324KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
324KB
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Filesize
728KB
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Filesize
728KB
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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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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
2.8MB
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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
2.8MB
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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
2.8MB
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Filesize
2.8MB
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Filesize
672KB