Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-12-2024 10:19
General
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Target
884ee87c1b5cb639c61947bcb79fdda9f9c9b3db0517b4d5f132e9d7d59f4311.exe
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Size
218KB
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MD5
90f1dfa2d37974def11d4bd49fa2c334
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SHA1
423993073fb5f841eb34e94c1685a06d0376a8dd
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SHA256
884ee87c1b5cb639c61947bcb79fdda9f9c9b3db0517b4d5f132e9d7d59f4311
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SHA512
89323b1b39b00afc174c793f0782adc5dbf942a06a7d15b082bf2731a016e223b5db48de8fa1272f0f55a46b48bd67ec8b137e3588faa771d470487223e4653e
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SSDEEP
3072:1vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Ha:51SyAJp6rjn1gOObn4b6h9x
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\884ee87c1b5cb639c61947bcb79fdda9f9c9b3db0517b4d5f132e9d7d59f4311.exe"C:\Users\Admin\AppData\Local\Temp\884ee87c1b5cb639c61947bcb79fdda9f9c9b3db0517b4d5f132e9d7d59f4311.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
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Downloads
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Filesize
218KB
MD5a157b08f1b9413b208569ace6f9ebad9
SHA1ca8858bd295901b28eabaf94d94bf5611be13899
SHA25639bb10962df7918aa1a44f4507378e55b4f3f653928c0ec70488889c93df9cec
SHA512d127efcfdf4459729312ead99e85f2d7bde5265e7842af585673c3a59b75407e8a13348a096036512b9ead45b602102dfb32ef9ef8baa9bb6786483b7bff5be5
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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
1.7MB
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Filesize
672KB
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728KB
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