Analysis
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max time kernel
141s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
06-01-2025 08:29
General
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Target
e62d0b8746a975adc97c6fbd84540a8f7e5edc26cff561591d89f662d6dff967.exe
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Size
204KB
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MD5
96cb40d60731a362bceab2b3a1d65bae
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SHA1
6c5970ec6690fadbebc65f31bcc9502dd1117227
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SHA256
e62d0b8746a975adc97c6fbd84540a8f7e5edc26cff561591d89f662d6dff967
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SHA512
ee5dbc665fc0ad325f89903000cf3d3d26f595f8ce878f4de627fbb0bc9c2a7eccd2660496a9c3854759a6bd8aa01af3511d5f3e08bbe0b561eff2eca9d4c295
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SSDEEP
3072:r5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:rLexkuRaX41xoyJV65gzyZko+uc
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\e62d0b8746a975adc97c6fbd84540a8f7e5edc26cff561591d89f662d6dff967.exe"C:\Users\Admin\AppData\Local\Temp\e62d0b8746a975adc97c6fbd84540a8f7e5edc26cff561591d89f662d6dff967.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
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Downloads
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Filesize
204KB
MD53b72d757e4f8ac7c700c0c860863e5f4
SHA17d849bfa2b7ecf470ac30d8107bf17bba98e7dc4
SHA256a4ee7ea7dc4ee83592bb281f651cd263ef8d6a31a7dd1334762f82ea938a1ae4
SHA512f2e2c8008ebaf775873c794e219521055eba93fd9c604ba85fed6438e52c371edbf827804dc53274030d0369bb0fd1e6f24eb9c45a7b4856940f0172532da5c1
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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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672KB
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672KB
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672KB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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728KB
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