Analysis
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max time kernel
108s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06-12-2024 19:29
General
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Target
f0de539595058b615845ab756c529e79e4412474eea09173827727197c1dc453.exe
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Size
355KB
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MD5
cfdc342aa93cf4cb89ecd274e7040df4
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SHA1
271b191c2e0017cb338c07624180306f08c7587a
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SHA256
f0de539595058b615845ab756c529e79e4412474eea09173827727197c1dc453
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SHA512
1467517ac764208fe1dea11933f4a526bdaa958bbcd374a00ad1caae71536f3cedb6652b2f3f30e85e588a84bc5fe341acaed3341629230b30fc262d18f89692
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SSDEEP
6144:L3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eim:omWhND9yJz+b1FcMLmp2ATTSsdm
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\f0de539595058b615845ab756c529e79e4412474eea09173827727197c1dc453.exe"C:\Users\Admin\AppData\Local\Temp\f0de539595058b615845ab756c529e79e4412474eea09173827727197c1dc453.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
Loading Replay Monitor...
Downloads
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Filesize
24KB
MD587fd95ac93031b545466cb40c47a9253
SHA1639d18239b820144d9c6ce154db52ddfded7c31f
SHA256fef106095c71ca2cd296ced98eecb72e4e41ed9cae3539443a136f11241122c1
SHA51223120e345aa717e57b7f5c2b219a4d5fbd3f8eab2263d41c9499a1c81f8720d264a06683fa90f57b438a736765a81d45cd279078825cb7b5fb1641efafdba22c
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Filesize
1KB
MD52e820951754f4f6c7376296b2997d07f
SHA132719cfcd88bf568eecdf712cb63330a078e8277
SHA256a057fdd656811bf7ab52bd8f460c8f8fa7433abd91dfa07500f6495d3e4f128b
SHA5125dbdd39478c3db1a90f6b61b350de7e86d4857c4ee892b172c0b64f14653b4259bb76945a2baa630e8f22a7887f26e1077cb259a8a2ef74c7fc06abb492772b4
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Filesize
355KB
MD5263c1c39b667321dcd1cf9b952c41441
SHA16ec3f57d760532570be6585e38b27c4f90c37804
SHA25656315a7cc4a1138bff2cb4d033cf4b9805a47fcf0a4d56f0b6e249bf96f91406
SHA5120376334a351bd203d2e459f6ae4d6c777a4bf38e4f5fe18568a1ab6e7eaad50544e0af06ed3f9f8de718093b36a8f7824f5aeaefa544f2f381b7374eba3ad69c
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Filesize
380KB
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Filesize
672KB
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728KB
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728KB
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728KB