Analysis
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max time kernel
109s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
05/02/2025, 09:43
General
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Target
e041aac61ecce5ddeb55b2ab9b54efe700fbfeadbe7fabae30044483b9948f33N.exe
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Size
375KB
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MD5
201cd721df3a006824d99e96759e9680
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SHA1
267a5c3a87bf588762ee1f8b128d7672e840eb54
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SHA256
e041aac61ecce5ddeb55b2ab9b54efe700fbfeadbe7fabae30044483b9948f33
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SHA512
9cd594c29b515563b78f50c5e96a7ea83a80aa412d1213335c98c7e9e829d874f7859674ea4c93d0a650c6cd29d060354a3d15b2db8ebdf4563d324f3d085c73
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SSDEEP
6144:q3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:1mWhND9yJz+b1FcMLmp2ATTSsdU
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\e041aac61ecce5ddeb55b2ab9b54efe700fbfeadbe7fabae30044483b9948f33N.exe"C:\Users\Admin\AppData\Local\Temp\e041aac61ecce5ddeb55b2ab9b54efe700fbfeadbe7fabae30044483b9948f33N.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
Loading Replay Monitor...
Downloads
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Filesize
168B
MD5d57e3a550060f85d44a175139ea23021
SHA12c5cb3428a322c9709a34d04dd86fe7628f8f0a6
SHA25643edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
SHA5120364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
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Filesize
24KB
MD54edc6d668f0e2d75750bcf9358e16945
SHA1bbf923a81feb4bcd06225166e2e19a1ab227d61e
SHA256569031c5018564c2669cda7f338b0e578175a3f736a0b4cb2e045fff749a9c64
SHA5122371313e089fdb392c4d30839d545b41cf5fb86ef1f7fdcd26581b5e407bd0cb621a7c1a047cc6e32f9794b9dbe3e0fcbd3073318e4cb65b9605b665b614df28
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Filesize
42KB
MD5b8e2195f807e05d672428120e8d51556
SHA160a548687d0166a0b94bc69c9780b35d6ad9a08f
SHA25635951775d624d259e867ddce2486965dfc7423bc182571d69cdb6a6b474963b1
SHA51265dd5b8d9148590d3be605e281dec3aa1b050911c7c26c08cf14bcb0358c571227bd1b38dab029ec9e8cf1150c19d7681c22e45d9034406c9a6785785f4d34b6
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5bb6ff816d037f7e3c88d18228ed7a388
SHA150db06cf8c299849f47d2d6509ab16d15df677d6
SHA25654800f5d91497afc0e53d2b9e63029d7c5fecf76a680526db8ca4ce04005f109
SHA512a5de950395663ac6de5e4a12b3e87e95ebed989278c5dd0d3197424e178920d18e09cda89d244b3d04e2a5700160263e16e7ed36ef710e6a7ce4d4d5432b2928
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Filesize
375KB
MD54f6aa45c9aa76a98f8f31157c1ee0ef6
SHA1ad293e4ff664c5673f6f9b907d881a7209a7b52d
SHA2569257151daeb7677588b4c44dfc7b0998df4179f1c38cce537a3a30c2977ce605
SHA5121a8a1fb9d7dc689b391b742867a3716369adb08b728fb1ed3ba7f889c0b7ca0394a7c0a91becd4912aaa36f31e85e305cfd8f7b33e743cac3863d8d45fc8df90
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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
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
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
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
400KB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
400KB
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Filesize
400KB
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Filesize
400KB