Analysis
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max time kernel
111s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-12-2024 11:13
General
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Target
b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.exe
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Size
218KB
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MD5
aff18d8ea3b6d9a6c3de24f50d758d97
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SHA1
679a93807137bced60955decede1cb3f99212a82
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SHA256
b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b
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SHA512
7cfff5537a3eeafb559bb6b5c4d9cc591ea8a9b2bd35b0212f17884e19b05c6515e1f14fe7dd894647513c4532ae352edaa64cdcbbc1c2cb2a6637657e4b69ea
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SSDEEP
3072:Dvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Ha:71SyAJp6rjn1gOObn4b6h9R
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.exe"C:\Users\Admin\AppData\Local\Temp\b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.exe"1⤵
- 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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
24KB
MD587b6a0eb86b27dddb43b2fa02fb873cd
SHA1ad2c302a56272ca3e0505ea0d2dd97b84452ad6a
SHA256963f0842d2dcb70f8fe0ca4d24513fb49a86e42763d5786c7b46e1dd2a69130f
SHA51272e5ea94335bfd19efc4d9c9f06bc5c9c30daba06a55d79f0ee54033efa5e68d685c73a9cad15f605b1e28ee7532a274c7ff72617dadbbda147d23f20f49a60f
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Filesize
61KB
MD50e33fa2933c83b1836eb42f220180a18
SHA121b6b6179fa7e945c3be35bd3f553bb571384ffa
SHA2562d28dae902f4f5ca4157fc20fa34413190d8f04290c2eb1d18cbcaab6ab466a8
SHA5120cb9daaac9855ab70e8dc97cb30c9f5fe4a7e9a3c1f1e7e72c90a82c8cd3f64e7696843a3016599a48550e6ef23efb01d8704f58e55e14f411812a2ab9296722
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Filesize
218KB
MD5059bac414267b70d8db57eb44def7a04
SHA1dd7bdae48c7396b18388ea20f27cd926372ed74e
SHA256e807581185890305a42dc5bff1db8f47148bbd4cc838c4d8c411ed9422f6b255
SHA51235b94120241df2e94bc980250b773f7a198d9016f0c069df46c865396ead14d1935297f5d44b58566fa09d3a24dda9545da14b75d1d12fd918b5de5db5d33478
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
380KB
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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
1.7MB
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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
1.7MB
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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
1.7MB
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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
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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