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Analysis
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max time kernel
110s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17/12/2024, 08:47
General
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Target
eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.exe
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Size
218KB
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MD5
31015808ef52cbd72858c42a669c1c30
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SHA1
bb119bec9246accca880047fc9534125932c61ca
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SHA256
eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58
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SHA512
88c1738429ef2d3c0d9fd4f3808ba6dc9748081b3a0d0a0416e56995ddadc56aaa318f68d2ed5af67e924e230b1d3a54e5ba63fdc4f5d94d7ee48c93cdb6291a
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SSDEEP
3072:Dvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:71SyAJp6rjn1gOObn4b6h9h
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\eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.exe"C:\Users\Admin\AppData\Local\Temp\eb8a91ecc3cf351c35e4b6730560ab65ee6aa21aae527a223fc6f4607aaa3a58N.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
1KB
MD57db77254722e3013feb7b5815a507d4e
SHA12efa06f817b1ad7ea4f27bce8e9da3d84c44cd03
SHA25653c6b61eb1c4c9fb610e8a6062060f49da31a12df0873489b642149f81859e4e
SHA5126eb88693bdcb7d4876bf04e72c3b7ae1abc9d9481e6ef2e7d3f8a051bb20d875e9201e1ec0d6707dfe2f4ca3022aa825578fc7e9a83621cefc0e704530ddb77d
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Filesize
24KB
MD5e4a6073a1091552154bdfc24f40178e8
SHA1b5726693078362251afe1bfc20e6b8f9b0399405
SHA256c16d49cd12bce7d15fae22c0390bf79bfad627207b7f5412293296b7d60e596e
SHA512f16048899e7771b3e8705b10b589700fe2de3c3427c538e65e008c1f44360b154cab96ff849d68f5b88070f55ff0e1221a34f4364b6a74b92593f6740984c4f3
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Filesize
218KB
MD5ced8d44a80d57c200950bb288e035691
SHA1cdd5144df3c61142693843c1e23421a5d8c7d1af
SHA25608cb82fdd291f679d027e031537f1df4346e267292b5fbab25cfb9c1c80f9876
SHA51247e7bfc159fa93a47dadf61c7a59b445bad177e96c449d088508357d684b82fb3f172ddd63a35ad1669effd8b10c6c16f4cbca1cbb85a21cc5db0b93a489bc9c
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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
1.7MB
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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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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