Analysis
- max time kernel
1194s - max time network
1205s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system - submitted
23/10/2023, 14:34
Static task
static1
Behavioral task
behavioral1
Sample
xrN.dll
Resource
win7-20231020-en
windows7-x64
1 signatures
1200 seconds
Behavioral task
behavioral2
Sample
xrN.dll
Resource
win10v2004-20231020-en
windows10-2004-x64
7 signatures
1200 seconds
General
- Target xrN.dll
- Size 1.2MB
- Sample231023-rxjkxabb76
- SHA256 15e4de42f49ea4041e4063b991ddfc6523184310f03e645c17710b370ee75347
- MD5 6f87cd47913c60e70a087534c07f14b5
- SHA1 ae5c8937272da7ac482d492fe2c2902e4e7c62ea
- SHA512 9b251f20d687e0165b011f493f6d2b062e1d5f0c737c5477b24f8224aa4ad9516602767c7231eadd8cde06ed3a8820b5a30c7312d210e7ef08d29a462393820a
- SSDEEP 24576:udKa5x+tEWhqlIVibDrGw/gxoTcX3ApgGl92RY0cPL/e:cH5xRWhZ+L/g6cXwiGlz0c7
- MD5 SHA1 SHA512 SSDEEP
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 3420 4804 rundll32.exe 91 - Program crash 1 IoCs
pid pid_target Process procid_target 5080 4804 WerFault.exe 85 - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 3920 ipconfig.exe 404 netstat.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3420 SearchProtocolHost.exe 3420 SearchProtocolHost.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
pid Process 4804 rundll32.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 4912 whoami.exe Token: SeDebugPrivilege 404 netstat.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4120 wrote to memory of 4804 4120 rundll32.exe 85 PID 4120 wrote to memory of 4804 4120 rundll32.exe 85 PID 4120 wrote to memory of 4804 4120 rundll32.exe 85 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91 PID 4804 wrote to memory of 3420 4804 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\xrN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\xrN.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\SearchProtocolHost.exe"C:\Windows\System32\SearchProtocolHost.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3420 -
C:\Windows\SysWOW64\whoami.exewhoami.exe /all4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4912
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all4⤵
- Gathers network information
PID:3920
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C:\Windows\SysWOW64\netstat.exenetstat.exe -aon4⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 6763⤵
- Program crash
PID:5080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4804 -ip 48041⤵PID:1212