Malware Analysis Report

2024-10-10 13:06

Sample ID 240621-m31zxsxalb
Target Nursultan.exe
SHA256 b9de413f47d732c1c909de90d3fd40fe5a0be4ed33846a5092aab934a178363c
Tags
dcrat infostealer rat spyware stealer
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

b9de413f47d732c1c909de90d3fd40fe5a0be4ed33846a5092aab934a178363c

Threat Level: Known bad

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

Malicious Activity Summary

dcrat infostealer rat spyware stealer

DCRat payload

Process spawned unexpected child process

DcRat

Dcrat family

DCRat payload

Reads user/profile data of web browsers

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Looks up external IP address via web service

Drops file in Program Files directory

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 11:00

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

2024-06-21 11:00

Reported

2024-06-21 11:03

Platform

win7-20240419-en

Max time kernel

126s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nursultan.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
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:\AgentInto\HyperFont.exe N/A
N/A N/A C:\Users\Admin\Favorites\Links\services.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

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A ipinfo.io N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\explorer.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\7a0fd90576e088 C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\Windows Mail\de-DE\HyperFont.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\Windows Portable Devices\cmd.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\DVD Maker\de-DE\explorer.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\explorer.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\Windows Mail\de-DE\b92a2747531d0b C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\Windows Portable Devices\ebf1f9fa8afd6d C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\DVD Maker\de-DE\7a0fd90576e088 C:\AgentInto\HyperFont.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\PCHEALTH\ERRORREP\QSIGNOFF\Idle.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Windows\PCHEALTH\ERRORREP\QSIGNOFF\6ccacd8608530f C:\AgentInto\HyperFont.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\Local Settings\MuiCache C:\Users\Admin\Favorites\Links\services.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\Favorites\Links\services.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\AgentInto\HyperFont.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Favorites\Links\services.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2944 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\Nursultan.exe C:\Windows\SysWOW64\WScript.exe
PID 2944 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\Nursultan.exe C:\Windows\SysWOW64\WScript.exe
PID 2944 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\Nursultan.exe C:\Windows\SysWOW64\WScript.exe
PID 2944 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\Nursultan.exe C:\Windows\SysWOW64\WScript.exe
PID 2820 wrote to memory of 2708 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2820 wrote to memory of 2708 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2820 wrote to memory of 2708 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2820 wrote to memory of 2708 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2708 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\AgentInto\HyperFont.exe
PID 2708 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\AgentInto\HyperFont.exe
PID 2708 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\AgentInto\HyperFont.exe
PID 2708 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\AgentInto\HyperFont.exe
PID 2692 wrote to memory of 1904 N/A C:\AgentInto\HyperFont.exe C:\Windows\System32\cmd.exe
PID 2692 wrote to memory of 1904 N/A C:\AgentInto\HyperFont.exe C:\Windows\System32\cmd.exe
PID 2692 wrote to memory of 1904 N/A C:\AgentInto\HyperFont.exe C:\Windows\System32\cmd.exe
PID 1904 wrote to memory of 2928 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 1904 wrote to memory of 2928 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 1904 wrote to memory of 2928 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 1904 wrote to memory of 2100 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\Favorites\Links\services.exe
PID 1904 wrote to memory of 2100 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\Favorites\Links\services.exe
PID 1904 wrote to memory of 2100 N/A C:\Windows\System32\cmd.exe C:\Users\Admin\Favorites\Links\services.exe

Uses Task Scheduler COM API

persistence

Processes

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

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

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\AgentInto\AXiDB20occ0ykAARiRUeicjUvbx6Sa.vbe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\AgentInto\de7nhIoigo88.bat" "

C:\AgentInto\HyperFont.exe

"C:\AgentInto\HyperFont.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Mail\de-DE\HyperFont.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Mail\de-DE\HyperFont.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\HyperFont.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFont" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\HyperFont.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\HyperFont.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Default\SendTo\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default\SendTo\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Default\SendTo\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Portable Devices\cmd.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Portable Devices\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Windows\PCHEALTH\ERRORREP\QSIGNOFF\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\PCHEALTH\ERRORREP\QSIGNOFF\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Windows\PCHEALTH\ERRORREP\QSIGNOFF\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Program Files\DVD Maker\de-DE\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\de-DE\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Program Files\DVD Maker\de-DE\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Favorites\Links\services.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Admin\Favorites\Links\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Favorites\Links\services.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\uYFGqRHMz8.bat"

C:\Windows\system32\w32tm.exe

w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2

C:\Users\Admin\Favorites\Links\services.exe

"C:\Users\Admin\Favorites\Links\services.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cn79852.tw1.ru udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.186.192:443 ipinfo.io tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp

Files

C:\AgentInto\AXiDB20occ0ykAARiRUeicjUvbx6Sa.vbe

MD5 c2d6f5a54c7b1605d2168d1255d89ecd
SHA1 9ed454cf86b2919128e7ccc9084dce6a24551eae
SHA256 7fbee344f89a7bd94c85dae8908c6212dbb2b350ad6f56a0d12cf9f45303e36e
SHA512 ac638f1df9331c8708520916de9cef0532d738581044b30b9ea72ddbc00761588bf0305cc9b4d3780b898c4b0fe2fcd1bfc3218ffa70e61f9bf1820188e0ea57

C:\AgentInto\de7nhIoigo88.bat

MD5 4ab8c6b09f62a31811cefe90f489a83d
SHA1 7e99ff735e4ad293d695834525596653416053b1
SHA256 8cac86f00805566cce8c036b8a4d17b1c288d812d815733e1d53dffefe1985eb
SHA512 f9778041bdf2411ae267c42912de33213544dfc7326085190896218da35880b267d87ccee7cfc456ecba613491bd56becf061497ee740f0ecf7e026a1196b3e9

\AgentInto\HyperFont.exe

MD5 eb36fbb98f05ea2b594e002f49b8702c
SHA1 cfd09274452920b85361fa276de34553c6a4dfab
SHA256 cb2087b3c0c6de757c51386f0f01981b9fbfd44a75eed49e72dd04dfd43cea95
SHA512 16daace64ba80df85c6d49a73846f9469710e5d679e6a210b6d37bf22482bcd202d7d6849defebdcda68ed7237f276ec9322722120a9b1339616ebdd3c495eb5

memory/2692-13-0x0000000000970000-0x0000000000AAE000-memory.dmp

memory/2692-14-0x0000000000140000-0x000000000015C000-memory.dmp

memory/2692-15-0x0000000000390000-0x00000000003A6000-memory.dmp

memory/2692-16-0x0000000000160000-0x0000000000172000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\uYFGqRHMz8.bat

MD5 63a30809bbfe0b27263249513e9c0463
SHA1 8e854c49cfc94f021625b3f87ecb18ff077eb1a9
SHA256 4c4ea7a895ffdb2d5827afc656acd8e92e167d5f36605c07a03dcc9d9c300713
SHA512 d218f243cef9858c15f9f1ff1d618d4babba56bc554580018dec4e96c949d42b99c261149c45b4f11dfdbb0eb183a52cad255ab04740a7d2c27153176caa7e83

memory/2100-40-0x00000000013D0000-0x000000000150E000-memory.dmp

memory/2100-41-0x0000000000200000-0x0000000000212000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 11:00

Reported

2024-06-21 11:03

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nursultan.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

DCRat payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Nursultan.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\WScript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\AgentInto\HyperFont.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A ipinfo.io N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Windows Mail\ea1d8f6d871115 C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files (x86)\Windows Media Player\it-IT\HyperFont.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files (x86)\Windows Media Player\it-IT\b92a2747531d0b C:\AgentInto\HyperFont.exe N/A
File created C:\Program Files\Windows Mail\upfc.exe C:\AgentInto\HyperFont.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Provisioning\Autopilot\csrss.exe C:\AgentInto\HyperFont.exe N/A
File created C:\Windows\Provisioning\Autopilot\886983d96e3d3e C:\AgentInto\HyperFont.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\Nursultan.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\AgentInto\HyperFont.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\AgentInto\HyperFont.exe N/A
Token: SeDebugPrivilege N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A

Uses Task Scheduler COM API

persistence

Processes

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

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

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\AgentInto\AXiDB20occ0ykAARiRUeicjUvbx6Sa.vbe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\AgentInto\de7nhIoigo88.bat" "

C:\AgentInto\HyperFont.exe

"C:\AgentInto\HyperFont.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Mail\upfc.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Mail\upfc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Media Player\it-IT\HyperFont.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "HyperFontH" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\it-IT\HyperFont.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Windows\Provisioning\Autopilot\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\Provisioning\Autopilot\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Windows\Provisioning\Autopilot\csrss.exe'" /rl HIGHEST /f

C:\Recovery\WindowsRE\RuntimeBroker.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 cn79852.tw1.ru udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.186.192:443 ipinfo.io tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 121.96.53.92.in-addr.arpa udp
US 8.8.8.8:53 192.186.117.34.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 92.53.96.121:80 cn79852.tw1.ru tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
RU 92.53.96.121:80 cn79852.tw1.ru tcp

Files

C:\AgentInto\AXiDB20occ0ykAARiRUeicjUvbx6Sa.vbe

MD5 c2d6f5a54c7b1605d2168d1255d89ecd
SHA1 9ed454cf86b2919128e7ccc9084dce6a24551eae
SHA256 7fbee344f89a7bd94c85dae8908c6212dbb2b350ad6f56a0d12cf9f45303e36e
SHA512 ac638f1df9331c8708520916de9cef0532d738581044b30b9ea72ddbc00761588bf0305cc9b4d3780b898c4b0fe2fcd1bfc3218ffa70e61f9bf1820188e0ea57

C:\AgentInto\de7nhIoigo88.bat

MD5 4ab8c6b09f62a31811cefe90f489a83d
SHA1 7e99ff735e4ad293d695834525596653416053b1
SHA256 8cac86f00805566cce8c036b8a4d17b1c288d812d815733e1d53dffefe1985eb
SHA512 f9778041bdf2411ae267c42912de33213544dfc7326085190896218da35880b267d87ccee7cfc456ecba613491bd56becf061497ee740f0ecf7e026a1196b3e9

C:\AgentInto\HyperFont.exe

MD5 eb36fbb98f05ea2b594e002f49b8702c
SHA1 cfd09274452920b85361fa276de34553c6a4dfab
SHA256 cb2087b3c0c6de757c51386f0f01981b9fbfd44a75eed49e72dd04dfd43cea95
SHA512 16daace64ba80df85c6d49a73846f9469710e5d679e6a210b6d37bf22482bcd202d7d6849defebdcda68ed7237f276ec9322722120a9b1339616ebdd3c495eb5

memory/3836-13-0x0000000000320000-0x000000000045E000-memory.dmp

memory/3836-12-0x00007FFC70853000-0x00007FFC70855000-memory.dmp

memory/3836-14-0x0000000002790000-0x00000000027AC000-memory.dmp

memory/3836-16-0x00000000027B0000-0x00000000027C6000-memory.dmp

memory/3836-15-0x000000001B740000-0x000000001B790000-memory.dmp

memory/3836-17-0x00000000027D0000-0x00000000027E2000-memory.dmp

memory/3836-18-0x000000001BCC0000-0x000000001C1E8000-memory.dmp

memory/2592-40-0x000000001BF80000-0x000000001BF92000-memory.dmp