Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
02-12-2024 13:25
General
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Target
05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.exe
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Size
355KB
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MD5
e8cedf26865e620c648e063c19729b19
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SHA1
e68652fb887f01697b02cdb30d30226e72de5dc7
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SHA256
05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b
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SHA512
b593146c78a8c3b012cdb35d29d266387b5ccec123ae54dfb6a94a68b3bc43d801953b4a7a52c1e381f5caff76025293cf41a2b08f55a6158e9cd60152d76197
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SSDEEP
6144:M3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:HmWhND9yJz+b1FcMLmp2ATTSsdS
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\05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.exe"C:\Users\Admin\AppData\Local\Temp\05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.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
481B
MD504031f22735723742d2b005b3460f828
SHA173e1b7610c252e2e85663a6b44dadfc6a4f385ec
SHA2567c39dddc6d5a7a7f8a91c2de3d9f8c5c9accc62a3725f0b0b4f4ff875e03ddf7
SHA5120e044e4dec4e7f5ffbfce3af27368c59e3d06df806c8abcfd5e082c273ed9e06e66e542db9df1218b17c9e9eff191979204a1f2f03536a515ad5437d4161afaf
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD55d188c383a46c26c730b1978cc29de23
SHA166e7d413f5beb2f9745bccf7b36d537081cca9e6
SHA256d0ae44967335c2581b7b3853a09a46f16070895d87950853a5eca3c54cece8ad
SHA512549c898f49051af9cbb5b77bbb61fe64ed7edebacf1c5136135012685296c28993e6bbebfabaf266e7a278bb7b2207116542a462efaaa4df707dc7598a40d267
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Filesize
380KB
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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