Malware Analysis Report

2024-10-10 12:59

Sample ID 240603-emxnkaaf8t
Target DCRatBuild.exe
SHA256 27a09811d4dbb7b1d284009032f3d907b14ac6847a9595182d65ab96d4ee0309
Tags
rat dcrat infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

27a09811d4dbb7b1d284009032f3d907b14ac6847a9595182d65ab96d4ee0309

Threat Level: Known bad

The file DCRatBuild.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer

DCRat payload

Dcrat family

DcRat

Process spawned unexpected child process

DCRat payload

Downloads MZ/PE file

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Drops file in Windows directory

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 04:04

Signatures

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Dcrat family

dcrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 04:04

Reported

2024-06-03 04:06

Platform

win7-20240508-en

Max time kernel

123s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"

Signatures

DcRat

rat infostealer dcrat

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
N/A N/A C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
File created C:\Program Files (x86)\Windows NT\TableTextService\it-IT\0a1fd5f707cd16 C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\BitLockerDiscoveryVolumeContents\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
File created C:\Windows\BitLockerDiscoveryVolumeContents\ebf1f9fa8afd6d C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
File created C:\Windows\BitLockerDiscoveryVolumeContents\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe C:\Windows\SysWOW64\WScript.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe C:\Windows\SysWOW64\WScript.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe C:\Windows\SysWOW64\WScript.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe C:\Windows\SysWOW64\WScript.exe
PID 2184 wrote to memory of 2436 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2184 wrote to memory of 2436 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2184 wrote to memory of 2436 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2184 wrote to memory of 2436 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2436 wrote to memory of 2688 N/A C:\Windows\SysWOW64\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe
PID 2436 wrote to memory of 2688 N/A C:\Windows\SysWOW64\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe
PID 2436 wrote to memory of 2688 N/A C:\Windows\SysWOW64\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe
PID 2436 wrote to memory of 2688 N/A C:\Windows\SysWOW64\cmd.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe
PID 2688 wrote to memory of 556 N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe
PID 2688 wrote to memory of 556 N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe
PID 2688 wrote to memory of 556 N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe
PID 2688 wrote to memory of 556 N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe
PID 2688 wrote to memory of 556 N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe

"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\ChainsurrogateservercrtSvc\KP1dxwKjHeZZGId6VCKWXzCSlqmlOw.vbe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\ChainsurrogateservercrtSvc\MLO7NKcGPoPOgLF8qlTykOoIdPW7G.bat" "

C:\ChainsurrogateservercrtSvc\comcomponent.exe

"C:\ChainsurrogateservercrtSvc\comcomponent.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\cmd.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\conhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe'" /rl HIGHEST /f

C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe

"C:\Program Files (x86)\Windows NT\TableTextService\it-IT\sppsvc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a0990904.xsph.ru udp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
RU 141.8.195.33:80 a0990904.xsph.ru tcp

Files

C:\ChainsurrogateservercrtSvc\KP1dxwKjHeZZGId6VCKWXzCSlqmlOw.vbe

MD5 1833c8cf42c813c6cba78b83bbcbaad7
SHA1 5721903ca608325014f01e776a9cc583db5bcb8e
SHA256 8b03ad8da6fbd4e37b4fa38aafe3d59070ac96354cc4f819e2249b42c8822f95
SHA512 e07b57a212a25714ddba1336bdd85c418e02d0a03fe6a6584f64b19f226f71989a89333ccea9f91eaa2721393df686f5a351cacd6e9f8b47010e92deafb9da8d

C:\ChainsurrogateservercrtSvc\MLO7NKcGPoPOgLF8qlTykOoIdPW7G.bat

MD5 00d8627c777530fad58ffd565435ecce
SHA1 0c78d64961aa210eec2fa7912fd158b32bfdd49c
SHA256 e1574b801185dd8af878ec4bd90f096cd51a547363c01a0c30f596fa9ff1525d
SHA512 f8d9cc7cfa05c99a819e2df389056fb6d9e46f6f12e4aff32dc2317223515da5adf83227116c8271af265b2810fe5c5a9f2be011ba2b444658257f3f05814af0

\ChainsurrogateservercrtSvc\comcomponent.exe

MD5 9f2efd08bcf641fa103001f6735b8d46
SHA1 d5abe965c27425482168113566b7ac720262df86
SHA256 160a9ef01d5f9174251127d72e1373ed4423eee552d6d5b415e8b8e7b6e3e318
SHA512 cea64d48e4838c72f1bb7eae1eb72b3b8cc52eafdd5f7f1b6d1eabded13c6f62e06420b449891f1cda9abe24ab05510d44dec7a67deab41d6b51cc55b91e0f2d

memory/2688-13-0x00000000002F0000-0x00000000003EC000-memory.dmp

memory/2688-14-0x00000000002D0000-0x00000000002E2000-memory.dmp

memory/2688-15-0x00000000002E0000-0x00000000002EC000-memory.dmp

memory/556-30-0x0000000001360000-0x000000000145C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 04:04

Reported

2024-06-03 04:06

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"

Signatures

DcRat

rat infostealer dcrat

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\WScript.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
N/A N/A C:\Recovery\WindowsRE\upfc.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Windows Mail\sihost.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
File created C:\Program Files\Windows Mail\66fc9ff0ee96c2 C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\ServiceProfiles\LocalService\Downloads\spoolsv.exe C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
File created C:\Windows\ServiceProfiles\LocalService\Downloads\f3b6ecef712a24 C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Recovery\WindowsRE\upfc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\ChainsurrogateservercrtSvc\comcomponent.exe N/A
Token: SeDebugPrivilege N/A C:\Recovery\WindowsRE\upfc.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe

"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\ChainsurrogateservercrtSvc\KP1dxwKjHeZZGId6VCKWXzCSlqmlOw.vbe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\ChainsurrogateservercrtSvc\MLO7NKcGPoPOgLF8qlTykOoIdPW7G.bat" "

C:\ChainsurrogateservercrtSvc\comcomponent.exe

"C:\ChainsurrogateservercrtSvc\comcomponent.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 7 /tr "'C:\ChainsurrogateservercrtSvc\SearchApp.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\ChainsurrogateservercrtSvc\SearchApp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 13 /tr "'C:\ChainsurrogateservercrtSvc\SearchApp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\ChainsurrogateservercrtSvc\sihost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\ChainsurrogateservercrtSvc\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\ChainsurrogateservercrtSvc\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Mail\sihost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Mail\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 14 /tr "'C:\ChainsurrogateservercrtSvc\upfc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\ChainsurrogateservercrtSvc\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 5 /tr "'C:\ChainsurrogateservercrtSvc\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Windows\ServiceProfiles\LocalService\Downloads\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\ServiceProfiles\LocalService\Downloads\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Windows\ServiceProfiles\LocalService\Downloads\spoolsv.exe'" /rl HIGHEST /f

C:\Recovery\WindowsRE\upfc.exe

"C:\Recovery\WindowsRE\upfc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 a0990904.xsph.ru udp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
US 8.8.8.8:53 33.195.8.141.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
RU 141.8.195.33:80 a0990904.xsph.ru tcp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

C:\ChainsurrogateservercrtSvc\KP1dxwKjHeZZGId6VCKWXzCSlqmlOw.vbe

MD5 1833c8cf42c813c6cba78b83bbcbaad7
SHA1 5721903ca608325014f01e776a9cc583db5bcb8e
SHA256 8b03ad8da6fbd4e37b4fa38aafe3d59070ac96354cc4f819e2249b42c8822f95
SHA512 e07b57a212a25714ddba1336bdd85c418e02d0a03fe6a6584f64b19f226f71989a89333ccea9f91eaa2721393df686f5a351cacd6e9f8b47010e92deafb9da8d

C:\ChainsurrogateservercrtSvc\MLO7NKcGPoPOgLF8qlTykOoIdPW7G.bat

MD5 00d8627c777530fad58ffd565435ecce
SHA1 0c78d64961aa210eec2fa7912fd158b32bfdd49c
SHA256 e1574b801185dd8af878ec4bd90f096cd51a547363c01a0c30f596fa9ff1525d
SHA512 f8d9cc7cfa05c99a819e2df389056fb6d9e46f6f12e4aff32dc2317223515da5adf83227116c8271af265b2810fe5c5a9f2be011ba2b444658257f3f05814af0

C:\ChainsurrogateservercrtSvc\comcomponent.exe

MD5 9f2efd08bcf641fa103001f6735b8d46
SHA1 d5abe965c27425482168113566b7ac720262df86
SHA256 160a9ef01d5f9174251127d72e1373ed4423eee552d6d5b415e8b8e7b6e3e318
SHA512 cea64d48e4838c72f1bb7eae1eb72b3b8cc52eafdd5f7f1b6d1eabded13c6f62e06420b449891f1cda9abe24ab05510d44dec7a67deab41d6b51cc55b91e0f2d

memory/4220-12-0x00007FFF5C693000-0x00007FFF5C695000-memory.dmp

memory/4220-13-0x00000000008A0000-0x000000000099C000-memory.dmp

memory/4220-14-0x0000000002AB0000-0x0000000002AC2000-memory.dmp

memory/4220-15-0x000000001C0A0000-0x000000001C5C8000-memory.dmp

memory/4220-16-0x0000000002AC0000-0x0000000002ACC000-memory.dmp

memory/1720-42-0x0000000002260000-0x0000000002278000-memory.dmp