Analysis
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max time kernel
133s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-12-2024 21:13
General
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Target
2f743046f4ec2464ffb37aada1480a5057f5512e79e1f2bd93349ef5c7efe410.exe
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Size
1.7MB
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MD5
4257f51ce00e476ca75e7973996128cd
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SHA1
d6dd39786adbb5221a0e3683d368438f76f3bb97
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SHA256
2f743046f4ec2464ffb37aada1480a5057f5512e79e1f2bd93349ef5c7efe410
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SHA512
cc97e8870a1c9a0a2da72beaf3f8c0a80cbcea358748074725cd6988046ff64de412b89b7fbf63c44647ec30af23247376ea447239b5f30407987a748690f630
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SSDEEP
24576:DmUNJyJqb1FcMap2ATT5rmUNJyJqb1FcMap6mUNJyJqb1FcMap2ATT5rmUNJyJqG:DmV2AprmV6mV2AprmV6mV2AprmVG
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\2f743046f4ec2464ffb37aada1480a5057f5512e79e1f2bd93349ef5c7efe410.exe"C:\Users\Admin\AppData\Local\Temp\2f743046f4ec2464ffb37aada1480a5057f5512e79e1f2bd93349ef5c7efe410.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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD564aa27606644f40e165357c4af9666e6
SHA147634acd103b35559f319f4a01dd1498376950ba
SHA2569a29ec18eefed9d460f6306d671fb432bc81fd5810c312d152842bce398ead35
SHA512fa24b869af274c7f13413a9d736a56a2259bb5ed9ce5ea07d4ba1fbb078a5184de6c20ea8758e97c92152db3da0bfb878a2c99b514970ef0382a344540996844
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Filesize
42KB
MD5bbfca928d84497665da3c569bfbec551
SHA1c792f716c1f5981856dc3dd913b71425786d2f20
SHA256fe185959571748754e0472dcfe515999eeaf839e6fb817f936411d7a209e66f7
SHA5127f61450f6baffba858bcad246525ff4d8ebc15529c0064246618745e94a52d247a4dcea3c15e72511e73fc753676157d42f62009ae69442a3890fc75c7ccb3a6
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Filesize
1.7MB
MD50e67219cecc0684419c2c1fd33a4219c
SHA1d3981be9e8de46a6601909bbee5dafdde62c9379
SHA256793088bdfe032ea4167140ca5215ed9e7ddb28cc630855c5d976e2102c70ca9b
SHA5127798db967d24314850c2b15f20b809c76bfba48dff054ed8647d180f4ee1947fd78a97c9685967ba1457d0901c2322c8798fba7960cc54019131063ffbedb09c
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Filesize
728KB
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672KB
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Filesize
380KB