Analysis
- max time kernel
149s - max time network
150s - 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, 09:43
Static task
static1
Behavioral task
behavioral1
Sample
xrN.dll
Resource
win7-20231020-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
xrN.dll
Resource
win10v2004-20231020-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target xrN.dll
- Size 1.2MB
- Sample231023-lpw85she57
- 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 4228 set thread context of 2140 4228 rundll32.exe 93 - Program crash 1 IoCs
pid pid_target Process procid_target 4068 4228 WerFault.exe 87 - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4404 ipconfig.exe 2128 netstat.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2140 SearchProtocolHost.exe 2140 SearchProtocolHost.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
pid Process 4228 rundll32.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 1172 whoami.exe Token: SeDebugPrivilege 2128 netstat.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1344 wrote to memory of 4228 1344 rundll32.exe 87 PID 1344 wrote to memory of 4228 1344 rundll32.exe 87 PID 1344 wrote to memory of 4228 1344 rundll32.exe 87 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93 PID 4228 wrote to memory of 2140 4228 rundll32.exe 93
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\xrN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1344 -
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:4228 -
C:\Windows\SysWOW64\SearchProtocolHost.exe"C:\Windows\System32\SearchProtocolHost.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2140 -
C:\Windows\SysWOW64\whoami.exewhoami.exe /all4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
-
-
C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all4⤵
- Gathers network information
PID:4404
-
-
C:\Windows\SysWOW64\netstat.exenetstat.exe -aon4⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:2128
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 6523⤵
- Program crash
PID:4068
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4228 -ip 42281⤵PID:4672