Analysis
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max time kernel
112s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25-12-2024 23:46
General
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Target
87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.exe
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Size
212KB
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MD5
e4ab43b42f1fc1c4a6b211d96584148a
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SHA1
cc794d950579ecb62c30ff995051b08916be2465
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SHA256
87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6
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SHA512
97fd0d5edf3dd4125aa60587fce15e06e403ccebf6157253a98b1f9b57ed9f9857f1a4617acbf5f8cca71ce835f5758e5cb586359ed9bbe64b9d4205c69112ab
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SSDEEP
3072:MGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:MG/iVkO20SFgBhxtW9mG9+Umt3Ezjb8
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\87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.exe"C:\Users\Admin\AppData\Local\Temp\87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.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
212KB
MD56e151f3df95ec9ed7deddee9ecfd98a6
SHA1fd749da219803212762608cb8112be986b454ed7
SHA256ef737e34d8bf938583b26ddf7d7a78067b959924e0f487ac7be0912deca737c1
SHA512122e83a89b3162b23624fba3936a7ce96ff2d136be859324fb62c8900b8a36907193c73416e12ea57cd44f03380ed8f423602a0f134c836404cf1b2074fe31e5
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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672KB
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728KB
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728KB
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