Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
27-01-2025 02:32
General
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Target
117827b83214199c218549013ba530809461d2e8c09b6d6e10f72b98e7ef6fc7.exe
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Size
218KB
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MD5
bfd966a7c8564f27d94879d08fb9235e
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SHA1
4f16448f27eac4dc184e42e65793bc9b5feaba88
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SHA256
117827b83214199c218549013ba530809461d2e8c09b6d6e10f72b98e7ef6fc7
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SHA512
c795ec0328a9a092f0c300822649c1a4c8e61123375c801b5578f3674cbc220680ae502f6a12ce988cbcd99fd59752cd740190af3223f86cb5fbf54ebd7bf1e3
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SSDEEP
3072:evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H+:g1SyAJp6rjn1gOObn4b6h9z
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\117827b83214199c218549013ba530809461d2e8c09b6d6e10f72b98e7ef6fc7.exe"C:\Users\Admin\AppData\Local\Temp\117827b83214199c218549013ba530809461d2e8c09b6d6e10f72b98e7ef6fc7.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
1KB
MD564fb77ac65f694f5af71f1de610657b3
SHA11bb025d736236d8b3d04ee1150e275c003b6118e
SHA256d3d7ffc8c67da2ace26904727ab25567b8e8cc904da653713a74d3bc650c73fa
SHA51227a718c4775c5c7528571edd13a5fb03a6abc485482d9fab273d78e3659ce4c0ff5f2d84b05e90a8fc399379d7934531d5386cb838f0eeb3759bee1de4061219
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Filesize
218KB
MD583fabb8aef758eef79aa6efa136e7e7e
SHA1d1359498ea9482a36bf2f7210d55f59a9449db83
SHA2563d5927caf9ee7e65b19b5d68181199f4e33dc25c5e3e0d823879762c7cfef986
SHA5127f816cb9abd177834135813417db9e8e4fb0c2263029924586e2f8dc1816bdf71dfc1c15b0d5c00165475977a8ed98c23d39c7f51ee6c7ab310573fc2f84bb8f
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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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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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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728KB
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728KB
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728KB
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728KB