15e4de42f49ea4041e4063b991ddfc6523184310f03e645c17710b370ee75347

General

Target

xrN.dll
Size

1.2MB
MD5

6f87cd47913c60e70a087534c07f14b5
SHA1

ae5c8937272da7ac482d492fe2c2902e4e7c62ea
SHA256

15e4de42f49ea4041e4063b991ddfc6523184310f03e645c17710b370ee75347
SHA512

9b251f20d687e0165b011f493f6d2b062e1d5f0c737c5477b24f8224aa4ad9516602767c7231eadd8cde06ed3a8820b5a30c7312d210e7ef08d29a462393820a
SSDEEP

24576:udKa5x+tEWhqlIVibDrGw/gxoTcX3ApgGl92RY0cPL/e:cH5xRWhZ+L/g6cXwiGlz0c7

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 4228 set thread context of 2140 4228 rundll32.exe SearchProtocolHost.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4068 4228 WerFault.exe rundll32.exe
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exenetstat.exe

pid process

4404 ipconfig.exe
2128 netstat.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SearchProtocolHost.exe

pid process

2140 SearchProtocolHost.exe
2140 SearchProtocolHost.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

Processes:

rundll32.exe

pid process

4228 rundll32.exe

description	pid	process	target process
PID 4228 set thread context of 2140	4228	rundll32.exe	SearchProtocolHost.exe

pid	pid_target	process	target process
4068	4228	WerFault.exe	rundll32.exe

pid	process
4404	ipconfig.exe
2128	netstat.exe

pid	process
2140	SearchProtocolHost.exe
2140	SearchProtocolHost.exe

pid	process
4228	rundll32.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

whoami.exenetstat.exe

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

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1344 wrote to memory of 4228	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 4228	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 4228	1344	rundll32.exe	rundll32.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe
PID 4228 wrote to memory of 2140	4228	rundll32.exe	SearchProtocolHost.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xrN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xrN.dll,#1
2⤵
- 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.exe
whoami.exe /all
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172

C:\Windows\SysWOW64\ipconfig.exe
ipconfig.exe /all
4⤵
- Gathers network information
PID:4404

C:\Windows\SysWOW64\netstat.exe
netstat.exe -aon
4⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 652
3⤵
- Program crash
PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4228 -ip 4228
1⤵
PID:4672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-2-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/2140-4-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/2140-5-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/2140-11-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/2140-12-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/4228-0-0x0000000002C60000-0x0000000002D58000-memory.dmp

Filesize
992KB

Download
memory/4228-1-0x0000000002FE0000-0x00000000030B2000-memory.dmp

Filesize
840KB

Download
memory/4228-6-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/4228-7-0x0000000002C60000-0x0000000002D58000-memory.dmp

Filesize
992KB

Download
memory/4228-9-0x0000000002FE0000-0x00000000030B2000-memory.dmp

Filesize
840KB

Download

Resubmissions

Analysis

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