Analysis
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max time kernel
145s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
05-01-2025 00:58
General
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Target
75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.exe
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Size
355KB
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MD5
5c00823025300d5d7e501322617e1e29
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SHA1
2d79ac9e6e445f97ca93b6ecc7fa7a1303679a6f
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SHA256
75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370
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SHA512
18c0571037ab8dbf1a224818009bd6e7c2a66f7e1ce51c3520bb193f9282008a42983240e2ea7684c5f989498d7f19133d00732a4960461ccfee8d84da431ed9
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SSDEEP
6144:73EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:YmWhND9yJz+b1FcMLmp2ATTSsdS
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\75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.exe"C:\Users\Admin\AppData\Local\Temp\75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
24KB
MD588c67189f2f11614421ce70c283e975c
SHA1899dbfead73970f2a802e1c4e4b937af0ce356a3
SHA256d91363ae7d61f71d9bf4561482f2bb7821c41538ba4b2d753317681c197bfb9e
SHA512ce2d592be8aac03fc2ebb3e08477971d43650ed35e5cf4121cc01f021cf8ed88cf43bea7ff4f7a6ffc2192113b1d15a1d325aa7b55e22ebdd6bf2c4ddf21764e
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Filesize
42KB
MD54c84206ec036d711709f79edff75b4e6
SHA1e40883bc06b46fb4c9b949322ab4bb7b2e0bea4f
SHA2569308d4d402338e968d7bd412c1c3c631a4532321a5eea81bcc6869f8851a1783
SHA512150fed04d5f693ce05e1219901cda3eb13ca153458e6e5822db5623052c8706a4d1acaaa31712d787fa9bcc69a08c2764fdd6399bcb4fd2aad92a37540a50588
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD5579a406f21c44f972ab1fe11bbfb3c0e
SHA150db203e527da17004e91fdefbe9e651882a0632
SHA25660ff309f061b01cd4eff37ee35ffedc18c5f2b88397d220416654c2d3a8587a7
SHA5120a59fe314b7ac38f875d5f4620213e257812c06bbdbbb8c9dc40377ac9e5174dd9288300b8e92e4e229af2427badcbc5f1fb7af8d8855299bd47000f3dbfb01d
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Filesize
380KB
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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
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
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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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
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