Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
14/11/2024, 02:42
General
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Target
cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.exe
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Size
1.0MB
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MD5
35ef3b8859dfd42df36c3e1b484b0ab8
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SHA1
0801d1cebb3af0d0d52a26f0a1001557a936202c
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SHA256
cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1
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SHA512
3e55d721392ac37dd005fc8b52a1f375cd13e5fed97d50a0446ebe74149a834b11ad4bbdfb847ddcd77f142e8d71157f9db1b4624023d955b822a07007e263c8
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SSDEEP
24576:WmUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT58:WmV2ApemV2ApemV2Ap8
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\cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.exe"C:\Users\Admin\AppData\Local\Temp\cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.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
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD50743c4deec8350a5d0401fd24df114e9
SHA16550e32741ac5d8946686f883eeaf4af9d725390
SHA256df249ee1c776cc3e5d52214502690e328e3c4d6ed8c7acd50d22c0658af8c608
SHA5122f0c0da0027fd2f27a9f2e46dd2cdb49c3036aef515dae8b719a8ce4950f5a7fb53cf294c327c9e9ff47c0e7a65252eeb297301723fea6b4c92613ff618a8c07
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
1.0MB
MD5c45def2ef04ed06641c9acff35df4d53
SHA153a0708b8e60eb7c3d81ccd50209d8bac9381ef0
SHA25679e499c233772093b9432b6efc9776ca1d010e605eaae4e32c6162d48cf3ad48
SHA512af2c049279faef4fd31e97f060f3a4fe2d8ec5654a116ffa254a2bffb50ddd257b82d233bbf7ee430337cdfd3e4e75e19d48bb9fb77dab8f9c72bfc0ebbe8516
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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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672KB
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728KB
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728KB
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Filesize
380KB