Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01-01-2025 23:33
General
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Target
4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.exe
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Size
355KB
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MD5
5226c9d21b48880c90087a4f156beb70
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SHA1
b6485f55e568cc7de2f336ea97030d3a64ae6114
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SHA256
4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5e
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SHA512
ae660a162de5e73e9d4b30c042a090cefbaf5e0ccb7b19bca28e5245569d66a0a498691b58a402d9b9b9c98912239c1a8a71dd9029c79749f80e7072e9db58d3
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SSDEEP
6144:9gEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:7mWhND9yJz+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\4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.exe"C:\Users\Admin\AppData\Local\Temp\4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.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
168B
MD5d57e3a550060f85d44a175139ea23021
SHA12c5cb3428a322c9709a34d04dd86fe7628f8f0a6
SHA25643edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
SHA5120364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
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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
24KB
MD540a6108a775afa1a0bd784f9220b615a
SHA110e62ddb43c437ccd4451a12ce67661a3b343dcb
SHA256f848a204cb532cc585c5441fcbf0398481b4e8b82c9014424a307676b67ade05
SHA512ec53f33dcd7249d4dad5581045156d60fef597703708649abbd7c20ce52217ee81289f2dc24e38bc8772a901414d162398e7ec0ccbf2186190eb6bb1b2446b64
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5b2cb5541051158ef703c68db3ed3d811
SHA1a1b00e4179265a2cc736026d315befa64aafd12e
SHA25693bf29d42564e955f8174a92b2ef39c2577096eaa7aef2c21cd5efe4be81b878
SHA51211ea5332d8aa5c746e8e3107fa792735a40156e2119cc34041628251d38c0e4cb770b05762a9cc5b3a2aa0fef931bfff306cd651a852c49a123608b525bdeef3
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Filesize
355KB
MD5a01334ce89494c00310810f96ff27040
SHA1c1fc3fa9737d81bb370f3dc83e1ea3be43dd95d1
SHA256472a92a80219da8f4aa3c8e9500b7e7451053ed4a23c1561c1189b02a2396923
SHA512ea8346568b09a2f8898f6cb1de67cc7d967facba83ae4fdd0022c021f05f3db39aeb3ca8d02b59214f254a88bf4a53d859fad32eab2cdce7325fdb1dfe2c1784
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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
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB