Analysis
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max time kernel
114s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-01-2025 10:39
General
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Target
bcba2ed77abd8673b912ae059d70a4c408995503bc396d3cab0ad463d1b87ef7N.exe
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Size
202KB
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MD5
19275461ec9c5ed26bf7c51cde55c190
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SHA1
3a8ff65f459a87f7e1e537c81cd48aea6d42add0
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SHA256
bcba2ed77abd8673b912ae059d70a4c408995503bc396d3cab0ad463d1b87ef7
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SHA512
8677dbf1c706e498816c8b668f4446893da45e0b634302c0a981c9d5329ad80228911b3d37c36796da6e194fe87e119aa8c89b163d11706234eb3157af5ebf94
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SSDEEP
3072:h8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:Wnw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs
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\bcba2ed77abd8673b912ae059d70a4c408995503bc396d3cab0ad463d1b87ef7N.exe"C:\Users\Admin\AppData\Local\Temp\bcba2ed77abd8673b912ae059d70a4c408995503bc396d3cab0ad463d1b87ef7N.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
42KB
MD54c644b681d3eb65eea7450cc7aa66741
SHA12834691cd147157d405dd8b91671a7b4a215a36e
SHA256ff9fe2fb7d35c53f04fc1c94e1e36d4ef51567edbda57600404d0f278fd4646f
SHA512f4eebfa598dcd7e137c5d472263b829caea5f003f2963cb5dea02cf3c70f9b4ce175966d8b429ff46ae614c0b8181e0665d9dac19fb4a0b6dc24ff12c80dde1c
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Filesize
202KB
MD5de30fc5ab8afd5ef73ad39b4fe0ad31b
SHA1a7fa28488f16750761a6823612ec4b91cd7f002c
SHA256d61b0756b03117bce22d392f3d6f0537ed9b9dac30080bf5301d4962f3580da0
SHA512df3bd8e9ec0ea1ebd071b25cd7009bf9e4b4580582142a218f35869034ccbd1b05f78df59c09a65a2bbf2bfa678f5e9d0d49797818fd053cbb105c12a1d54ff8
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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
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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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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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
380KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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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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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
380KB
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB