Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-12-2024 01:46
General
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Target
a9d24553b438f2c20557e808e1e08efd99fddeb3c4e87b0956b27713cfe9fcce.exe
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Size
355KB
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MD5
f142f598ab04f86ccb98d2ff0f5f6db7
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SHA1
9a7cb17d04274d2ddb166e6a928f1e38261cdab7
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SHA256
a9d24553b438f2c20557e808e1e08efd99fddeb3c4e87b0956b27713cfe9fcce
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SHA512
15a7e2ae7e085ee91e199c7e117b80641ed42f32beace07792c11dbefd625382f58a64cbf9521bce1d6280a872b97e118f36d7533069f705b77d44380079783b
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SSDEEP
6144:WgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:AmWhND9yJz+b1FcMLmp2ATTSsd
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\a9d24553b438f2c20557e808e1e08efd99fddeb3c4e87b0956b27713cfe9fcce.exe"C:\Users\Admin\AppData\Local\Temp\a9d24553b438f2c20557e808e1e08efd99fddeb3c4e87b0956b27713cfe9fcce.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
12KB
MD5e1f035b24ce0e8137682b703d19315b5
SHA118712fd6ad888c146237d187332ccc904ff1f032
SHA256117ea4f0f411e1aaeab307c087a57678abcba7e6aa96a5bd1f2d5d7026d453a0
SHA51217a428fcea9d064e8318f0ef30da88c713209f5d591d2a4e9725d56663acdb96996569693804071aea17ddc793eade219409c4548e48d1ddc8814662236bae7d
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
61KB
MD50d931c04492e4c5809efd9617064ac16
SHA16501e37610c1c718a5f0020d5e10d75208def4aa
SHA2564c82b6a10c16f891a57793b42a0ddb6a2ddebc683c1e6e786e4a0fb87fff977c
SHA5129f30f68a3c0e9f24732ce977f8e160b5ef64ab9c444102dc1049131998cadec8d3f22b80c1fceaa8886b9bb15d8569fe53a2e6a4556cfbeab993c8cc25dc83f7
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Filesize
42KB
MD57f41d57a75154ad3e98d47e334a43663
SHA1b375d35ee4d0aa7717f397c4692d1845129a68d4
SHA256c45fbfd8fd22a2d39e0bc04f2f75074666b88d98098a7f3701a5b44d5c998208
SHA5127bebf893dbfb8d685aca1f091b947d55b806754b95d0bbc2a6ea97fc04450831bfedc0173d0e31b6653b20afaee4ea97ce79592e083fa152e5c481ff49efc6de
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Filesize
42KB
MD5980701aad08c09fb1655725c96fa94ce
SHA1db1cb5dc578293aafbbca327e5acac46021242d4
SHA256e53c73812083c0b32fe57bc738b9a7cbf05f8d48e9d53f93cb392b38e6597bc1
SHA51269619e515248a19ff6122e9939926ea40d7403a76a7d377c93886319e6a304e7e93dc32bc3590b6faab2ae611874616940d1f769e3edf58f954a6e2d504018a9
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Filesize
355KB
MD58af06f907ae4b8415c299408f5394ae8
SHA1c8163fdc4515e62c5486b20f029540a03e78076d
SHA2567f38ac61f3798d0c12ae66a378291de588846f2ca75fcd79f41cd1cc856a5d9b
SHA5123841a4bef8a31de673df0b65474f6c24029188842810a9314677fbc64b7c74a4e9b7a16d55d2147aec51d949431c28a5c5c426932694095dc25e924abe5e7eb5
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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
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Filesize
728KB
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Filesize
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Filesize
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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
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
728KB
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
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Filesize
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
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Filesize
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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
380KB