Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
08-01-2025 19:31
General
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Target
343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe
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Size
600KB
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MD5
57e32377196d6b79ef15a1a752c67e60
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SHA1
dca664cfec967c72f730d23234a2842c4ab33cc6
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SHA256
343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05
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SHA512
fd203b3ef576e195e4967d7db9d3d8e3162e76332131a87bf7ef21b8e199d0713af81bf36a77ad9ff928d139b08ec02f939cd6b7057125737e7ed0a8f68c6592
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SSDEEP
12288:CwmWTR1arYnEKosuzY34CZ3DQvSkNL9qyFhJy56d/eoyXjn9W:CwmyRcrYnxUzY3NZ3DQvZNL9X7Zyz9W
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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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 1 IoCs
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Drops file in Program Files directory 14 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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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe"C:\Users\Admin\AppData\Local\Temp\343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
600KB
MD51e1894d7038344f7beae37f76ee533a5
SHA129fca25555d20fa82531f60bc22793a939653a18
SHA2564f1be45dfb031294bbab260e040093eb896da012b5ab138d2c8252d05240862b
SHA512a7f89fca7dd508ce9b0e78dae8c173b4b2027154260479f11f490b31934f01b58bb384fc7b4d26566bed4c1b5666a40e4815efe64e5b634c0066f29677c70ecd
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Filesize
732KB
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Filesize
732KB
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Filesize
680KB
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Filesize
680KB
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Filesize
680KB
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Filesize
680KB
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Filesize
680KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
680KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB
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Filesize
600KB