Analysis
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max time kernel
142s -
max time network
153s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
05-02-2022 13:02
Static task
static1
Behavioral task
behavioral1
Sample
8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll
Resource
win10v2004-en-20220112
General
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Target
8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll
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Size
856KB
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MD5
306212efebc6ac92000687393e56a5cb
-
SHA1
dc0b678e9ad7cadd5de907bf80fa351d5d3347cc
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SHA256
8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1
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SHA512
1d40714f657f4f1820da817fcc9f6dd98d2c0dec2e5e7c71fa51c1066be30bd36de967d706f021e8032bce787bc881469261cbd0224a362d93a271c0ee6381ee
Malware Config
Extracted
zloader
main
05.04.2020
https://knalc.com/sound.php
https://namilh.com/sound.php
https://ronswank.com/sound.php
https://stagolk.com/sound.php
https://mioniough.com/sound.php
https://ergensu.com/sound.php
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build_id
33
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
msiexec.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run msiexec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tuokpe = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Qaoxc\\ziuldyk.dll,DllRegisterServer" msiexec.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 808 set thread context of 740 808 rundll32.exe msiexec.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
msiexec.exedescription pid process Token: SeSecurityPrivilege 740 msiexec.exe Token: SeSecurityPrivilege 740 msiexec.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 1476 wrote to memory of 808 1476 rundll32.exe rundll32.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe PID 808 wrote to memory of 740 808 rundll32.exe msiexec.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/740-58-0x0000000000090000-0x00000000000C0000-memory.dmpFilesize
192KB
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memory/740-59-0x0000000000090000-0x00000000000C1000-memory.dmpFilesize
196KB
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memory/740-60-0x0000000000090000-0x00000000000C1000-memory.dmpFilesize
196KB
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memory/740-62-0x0000000000090000-0x00000000000C0000-memory.dmpFilesize
192KB
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memory/808-55-0x0000000074EC1000-0x0000000074EC3000-memory.dmpFilesize
8KB
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memory/808-56-0x0000000000730000-0x0000000000775000-memory.dmpFilesize
276KB
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memory/808-57-0x0000000010000000-0x00000000100DB000-memory.dmpFilesize
876KB