Analysis
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max time kernel
110s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-12-2024 10:37
General
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Target
e6d63342943e8b4ac0ec26a5a2c6fcf2fdac7dd6c519e518c21b79cd5a7bf454.exe
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Size
202KB
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MD5
8e5140f778a39e7ce9909a21f35f2909
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SHA1
20f893458333eb5a8befd986ed0c01e9939c257d
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SHA256
e6d63342943e8b4ac0ec26a5a2c6fcf2fdac7dd6c519e518c21b79cd5a7bf454
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SHA512
7a5e75d059ba530ea64d4a5c604816ccfea414cd4f8f9768b7f0ca77add3cc61751e11efa7efeb85e454ef41e2701c3883e0fb870ad88b8919b7c503d5616319
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SSDEEP
3072:Q8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:hnw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs
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\e6d63342943e8b4ac0ec26a5a2c6fcf2fdac7dd6c519e518c21b79cd5a7bf454.exe"C:\Users\Admin\AppData\Local\Temp\e6d63342943e8b4ac0ec26a5a2c6fcf2fdac7dd6c519e518c21b79cd5a7bf454.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
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5f53d3ef4fa8139e3e20741a8f6dce0d5
SHA14fb567ddfc5256d69f23d31797a3f007c1bacc61
SHA256a976bf6cc676ea09ad2585cce1adada408f6f7df41350cbf81852604481ee08e
SHA51202b737553f2be144d1fe4e9727557bdf5ea1f08ad879abd06b98615bd8a936bf2231ef50c182ca3b352a2cba508c1718c969ed7b67e9268f31b213bbf931edbd
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Filesize
42KB
MD5b73b3610247239331333d8cfaeca81d8
SHA1d11fe890c02d75d42cda91c64ec6620cacae4168
SHA25681fd474478767c519cfecf39012ef7871032125a0bd7d3baec7d70d041d8f557
SHA5123eb0716b1390d613a59435bf3aea6a92c5e41f7be068e70b6ef1b83944ef04f6e412577018cf8e8db975fb4d85c812238da57e4bfd1ca4690bf62b880cdd5af6
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Filesize
202KB
MD5ef421e03cc9fe7709de9b17f1d7e1e46
SHA1550e4f13e23014a0b3ab836b53e3750da460dd90
SHA25628ac25b292098e1a6cfa00dc431b8d564200fe721985b9612634810c35774830
SHA5122200c5e0e1a36d4afc81a0a4db13e487fb79c4aedf511ada549313ed3885ce8edce262d4b22b19561fad707b376a82a74a460b0b6575b082a55b3e004c7594c8
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB
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Filesize
672KB
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380KB
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Filesize
12KB
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Filesize
380KB
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Filesize
12KB
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Filesize
380KB