Analysis
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max time kernel
143s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 20:54
Static task
static1
Behavioral task
behavioral1
Sample
zte.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
zte.dll
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
zte.dll
-
Size
473KB
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MD5
00cc931e3c4ce21eaed78d8ee7352c35
-
SHA1
ee66e9cb16520de48a1efe4e09368067d9ee1a78
-
SHA256
98a58a4f1a0b1305c473eeafa6dac80c2e2edd7e8aa8fe6d32ccac81318de1e5
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SHA512
1ba56fe37631544d8c0238183bf04aed3ffad09999183fef18bb84493502cfc7a3c4109f03062e0ef5b31f00a923e9b8e01eac1e788e52d66b074c2f8f5a16cb
Malware Config
Extracted
Family
zloader
Botnet
bot5
Campaign
bot5
C2
https://militanttra.at/owg.php
rc4.plain
rsa_pubkey.plain
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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run msiexec.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Izewnopu = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Ybys\\zaevad.dll" msiexec.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 1908 set thread context of 1516 1908 rundll32.exe msiexec.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
msiexec.exedescription pid process Token: SeSecurityPrivilege 1516 msiexec.exe Token: SeSecurityPrivilege 1516 msiexec.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1700 wrote to memory of 1908 1700 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe PID 1908 wrote to memory of 1516 1908 rundll32.exe msiexec.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\zte.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\zte.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/1516-1-0x0000000000090000-0x00000000000BB000-memory.dmpFilesize
172KB
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memory/1516-2-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
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memory/1516-3-0x0000000000090000-0x00000000000BB000-memory.dmpFilesize
172KB
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memory/1516-4-0x0000000000000000-mapping.dmp
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memory/1688-5-0x000007FEF74B0000-0x000007FEF772A000-memory.dmpFilesize
2.5MB
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memory/1908-0-0x0000000000000000-mapping.dmp