Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
09-01-2025 02:44
General
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Target
feb7b99be67aefead18ffafeddc60a35e394429f35e31d50989200ff7e6e8824N.exe
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Size
217KB
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MD5
b8003e01d31e99b9303245e26d90ec90
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SHA1
1c07923729c731e9d44ae38bc91d64c5ff3e4356
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SHA256
feb7b99be67aefead18ffafeddc60a35e394429f35e31d50989200ff7e6e8824
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SHA512
a8df6d9071c43327fc2f6376c5acaf0fa15b8b258d81e57e182069d5f0790c0c2c5e91141e0878aba8793752ea03a9499a9d8f11de5a88c836e364f983e8f7a0
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SSDEEP
6144:4rRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:KsTbzu1glovW4EH6Y
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\feb7b99be67aefead18ffafeddc60a35e394429f35e31d50989200ff7e6e8824N.exe"C:\Users\Admin\AppData\Local\Temp\feb7b99be67aefead18ffafeddc60a35e394429f35e31d50989200ff7e6e8824N.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
217KB
MD5144f6569b087bed840d2f0097b392454
SHA19f34a8ac55312db5e2411c21b0a55e7531cca170
SHA25645172e2118ff4d43a973a4db06be5aadc43e88e5954be9ad9027d62439da7f22
SHA512f256292b4fe5d4067dd6ce68f56a439cbc92a4a644a623ba750ad351880c0438ed701209a009d9b1acdd5223b135313f9ff637a8240b483ffa6e95898a062301
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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672KB
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728KB
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