Analysis
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max time kernel
111s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
23-01-2025 11:43
General
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Target
f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.exe
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Size
208KB
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MD5
08cfbd657d78b015b851df445f15425a
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SHA1
2d85ed3a3c851b61c2b8f0fad7eeaf002f410aa8
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SHA256
f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0
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SHA512
aa3b65e8be5829ecacc18eea5db74af30abfc87e02b029170835bb367078c1ec24458d6d14183ed9d03c532cabc38462c14f8ff06e0801d2a415c2a942e2deb6
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SSDEEP
6144:mJRDxRqdSqQts6iRZsTZuDbhivDVDN8zqF3F:mcjQKUZigDVJ5T
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\f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.exe"C:\Users\Admin\AppData\Local\Temp\f694c3d8271ef389f6a3db5bba04859a2bc2a6f4d4d9ac616133b2d1d4a277d0.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
24KB
MD5d2d09b81c23f0941ea56987ede1b7a6b
SHA1d54ca6c16a326475d3f3f00f1cd541f66fe36276
SHA256f857e40a17b16b4d36b226086d9aa628d25415fe9e3a2616e7e54ab31dad81c9
SHA512f0ba3bee70009b06f731c205a25388b0365af126bf0271f67ec54e45b83d8cd506db484c617c3fe60bd32d8e35ba5ea10c34a36a95ef584a175308ffb6703dd7
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Filesize
208KB
MD51815e0f91ba60b8d0b58966c856483af
SHA1231e66df4d72b86e6d8b04d7995aaed3acc37b8c
SHA256a3369c156fe916fe013db03a35af430c17da9d9d6989c73609ca19b5d3fc1dc0
SHA5127a745b16232d9ec59ad1a33e794087759559a390c18ba6b10a7c50283fb7dff077097781290013a330ae88609f24e9b44890f2ae8e455a25b2f8f3539a58f96d
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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
964KB
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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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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
964KB
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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
964KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
964KB
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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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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
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
964KB
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Filesize
324KB
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Filesize
964KB