Analysis
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max time kernel
141s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
22-01-2025 10:23
General
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Target
dd3fadf3b31865cc0a7466efcba18a87ef7b6ce1d89f10132db117f5c8fc7e1b.exe
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Size
218KB
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MD5
1e80cff4bf7e3570519bb329840ec7bb
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SHA1
5b0f4bdefff95fdaa8d9e0ac1aabb80857de1d0c
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SHA256
dd3fadf3b31865cc0a7466efcba18a87ef7b6ce1d89f10132db117f5c8fc7e1b
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SHA512
7c3e2c7197cfdf4aa1c3c0dc2719ea8883964706da020def189e9e9260eae8c006a4899fcf355200c15477394a970aebe504e03c9f9dd3291815c667684ec800
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SSDEEP
3072:Xvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:f1SyAJp6rjn1gOObn4b6h9h
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\dd3fadf3b31865cc0a7466efcba18a87ef7b6ce1d89f10132db117f5c8fc7e1b.exe"C:\Users\Admin\AppData\Local\Temp\dd3fadf3b31865cc0a7466efcba18a87ef7b6ce1d89f10132db117f5c8fc7e1b.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
Loading Replay Monitor...
Downloads
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Filesize
24KB
MD56fefecc43b009756e7012adae965f456
SHA18476542bb6eb1de38ab5fea1174ec0633e2be75f
SHA2561f0da8b86a9c47df6c2d40405ff6b871e4e9d1c1eafb79b5b4ff43f9a7c2409b
SHA51255ad4bb2068166ccbf4997c934ab3ab40215d5522cbb21785922da86afd02d950f56261ff2e7f31802146016d78819012f47079144092d0512494ec1523399ef
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Filesize
481B
MD58cf30c50f48428f19f88ddce85fc33c2
SHA1f9b0739f730ebe856e7e7bc56fe612aba34f79e8
SHA2561f08274ad001c9412e82ae761711d0947db985f43ebe05eb79e502f919611e10
SHA512e95cef467cb065545d0f35ea03bb97d1f2f57aaac3fddec2334a53f85225ef530efae515983e741d88b4fedac82254e70e4f0adee628f3325d901713740c8235
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Filesize
218KB
MD5563af852542d188bf5bd00f424d3855c
SHA154bc7474c02942617785269befcfdd9250b1ab6e
SHA256bde852bd719b7f8022d936096ebd3d10c8d24bddc381f91901c9f2551ecfc27b
SHA512eae0c72085ad2d3b9df6f7a5819efba50ce97b506e1e8a40feea404b5500b4b00ecd526cd242ac0432d6ff152290047aab5b814a7ee821553f1b39a65598c181
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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
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
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB