Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
05-12-2024 07:14
General
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Target
e4f479623ecb57df2d8adfbb243379e5454d2e59507fd478b925e2f053354652N.exe
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Size
686KB
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MD5
9a36cbc8ca589422d4028aa93baa8680
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SHA1
411280b0c7eba37ffddae03301351d9535f349c3
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SHA256
e4f479623ecb57df2d8adfbb243379e5454d2e59507fd478b925e2f053354652
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SHA512
d3560b0b000843faf77737ef92847e243438c07fb2519ad7335220b4f443e0a9195e07a137e5eb04af25faf0bf7ffd0523e1ba711e2d7423eae0e9add429f2f0
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SSDEEP
12288:8mWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpH:8mUNJyJqb1FcMap2ATT5itjCYZ3DSoH
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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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e4f479623ecb57df2d8adfbb243379e5454d2e59507fd478b925e2f053354652N.exe"C:\Users\Admin\AppData\Local\Temp\e4f479623ecb57df2d8adfbb243379e5454d2e59507fd478b925e2f053354652N.exe"1⤵
- Loads dropped DLL
- 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
1KB
MD53c2fd3355ce338142ba8b32e91ac46e7
SHA10aee641d6438a939d81ede2c79eba6e24b5fa51b
SHA25602fc0b7223175d1f7ebee616d92cc52cf9d17313f850492609a2774edd946bd5
SHA51229bd06c3cbe55b836722a2a01019202d5f344ed8e2a488fa45f32f1780fda34b05dd589f2d06ed42add59ca32de4f2a533cc5013393f6d52f13bd06969a816b4
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
686KB
MD5f4384eb37abef45f56d4391bc3f9d2ce
SHA15575e9b124bbe26ef0b1fd283cceb469347c2886
SHA256ae063597c52332364808e3e5d0e1f9535023a9665d88b5cef7efa6be23e7d72a
SHA5123e487f44da426b7dc35d335dae98b0466048a70f1a8d38386b5bbfef312bedae4d99bda1ada058e15f6e2e350566160f9f5537f1bc531446398ff54f62dc1395
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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728KB
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728KB
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728KB