Analysis
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max time kernel
115s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04/10/2024, 12:07
General
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Target
922dba767713624757749a3d846bd3f7615f29349778c2de753d4ab46006002cN.exe
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Size
201KB
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MD5
96665413f7a47fbbc6b5befd45600720
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SHA1
891df460626e12d5023e0fe279fabbcd8511b9c6
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SHA256
922dba767713624757749a3d846bd3f7615f29349778c2de753d4ab46006002c
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SHA512
9978901f7791943389f7999bb5de4ea978c01ab0a943f61efa5b1f3b08c27bde1537dae730e66ef8cc50eac2ee0b3ac3c46137b09303df6475463a14aa71c69f
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SSDEEP
6144:gt++Jbojf5Vq5OC4qZhZcKYhc/ZfUozY:j+cff22qZhZcKYhc/
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
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Program Files directory 26 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 1 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\922dba767713624757749a3d846bd3f7615f29349778c2de753d4ab46006002cN.exe"C:\Users\Admin\AppData\Local\Temp\922dba767713624757749a3d846bd3f7615f29349778c2de753d4ab46006002cN.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- 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
- Drops file in Program Files directory
- 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
24KB
MD57dfa71e80e6ca682edd4beed2b38ba5d
SHA1f55dd3d05de2fbf8074a6a54ab174879f4e379e1
SHA256864542b398b0df4e9dccb834738a19871008dc2023b78201750491c21993beec
SHA5129ac345b1fc07d2efd471b4480bba5873a0f399c06e68ed414c1136acc69d72388b64554745f15a6431183a3ae8cbdb66177d3a066b918a016655cd3bc66ebfc4
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
114B
MD5bfde1e9e9c32c1681a16139450c6909d
SHA17e669b927e6a75a10a0ca29e38e58ddcb49b725e
SHA256e0d020ba1cb6506cee234903a44c747ee0cfa7e2d1e60029e4cd8de9a431512a
SHA512781fd54f155442dd34f9919b3cd063ee399db411bbfe15f2bdc43d3ab8ac2d04e1011b2c99fab42bebf7b903a94e09aaaef71b7a465d2d04b417f6dad8e8e396
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Filesize
201KB
MD5823cb827240f95c429fe0522be357b0e
SHA1ed3c19ab5659c54b8c9b11e6bb440041005d9ae2
SHA2561897920cd96ff9d7f4b0830f74ca9afaf5ff23fa96ba68cfc99f8cbdb499992b
SHA512a27388edce610d29fb92e2129ebd496e6725fa763f482fd10b4fbc83741e86613ec732360b2b3ed44f4504872dcaac79aaf63061fd6e443dc174243500b5b123
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Filesize
580KB
-
Filesize
316KB
-
Filesize
368KB
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Filesize
580KB
-
Filesize
368KB
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Filesize
316KB
-
Filesize
580KB
-
Filesize
580KB
-
Filesize
580KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
580KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB