Malware Analysis Report

2025-01-06 11:57

Sample ID 240603-fm3p9acc6y
Target e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7
SHA256 e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7
Tags
evasion persistence
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

e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7

Threat Level: Known bad

The file e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7 was found to be: Known bad.

Malicious Activity Summary

evasion persistence

Modifies WinLogon for persistence

Modifies visiblity of hidden/system files in Explorer

Modifies Installed Components in the registry

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 05:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 05:00

Reported

2024-06-03 05:02

Platform

win7-20240508-en

Max time kernel

150s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" \??\c:\windows\system\svchost.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" \??\c:\windows\system\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" \??\c:\windows\system\svchost.exe N/A

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\svchost.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\svchost.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} \??\c:\windows\system\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} \??\c:\windows\system\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\spoolsv.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\spoolsv.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" \??\c:\windows\system\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe N/A
File opened for modification \??\c:\windows\system\explorer.exe \??\c:\windows\system\explorer.exe N/A
File opened for modification \??\c:\windows\system\svchost.exe \??\c:\windows\system\svchost.exe N/A
File opened for modification C:\Windows\system\udsys.exe \??\c:\windows\system\explorer.exe N/A
File opened for modification \??\c:\windows\system\explorer.exe C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe N/A
File opened for modification \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\explorer.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2400 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 2400 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 2400 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 2400 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 2992 wrote to memory of 2848 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 2992 wrote to memory of 2848 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 2992 wrote to memory of 2848 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 2992 wrote to memory of 2848 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 2848 wrote to memory of 2512 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2848 wrote to memory of 2512 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2848 wrote to memory of 2512 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2848 wrote to memory of 2512 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2512 wrote to memory of 2532 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2512 wrote to memory of 2532 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2512 wrote to memory of 2532 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2512 wrote to memory of 2532 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2512 wrote to memory of 2152 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2152 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2152 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2152 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 1552 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 1552 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 1552 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 1552 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2416 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2416 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2416 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2512 wrote to memory of 2416 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe

"C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe"

\??\c:\windows\system\explorer.exe

c:\windows\system\explorer.exe

\??\c:\windows\system\spoolsv.exe

c:\windows\system\spoolsv.exe SE

\??\c:\windows\system\svchost.exe

c:\windows\system\svchost.exe

\??\c:\windows\system\spoolsv.exe

c:\windows\system\spoolsv.exe PR

C:\Windows\SysWOW64\at.exe

at 05:02 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

C:\Windows\SysWOW64\at.exe

at 05:03 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

C:\Windows\SysWOW64\at.exe

at 05:04 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

Network

N/A

Files

memory/2400-0-0x0000000000400000-0x0000000000440000-memory.dmp

\Windows\system\explorer.exe

MD5 33ff1476f1b6a18e5d11002aa28f9ec0
SHA1 38eff947330637687e6db290fbc84df13085c85c
SHA256 ddb08aa69adb9e385ac0c23930da360b36fae2c38dce0e7fd4a612d7e2b57758
SHA512 81f9579b67686b1c32961aa0c37d4dfc825c7c4a74f667963459cc9aad10607baf2fc69d1f293affecea1222e70909bdfdaae152c25424731c214f4e3cf41f11

memory/2400-12-0x0000000002770000-0x00000000027B0000-memory.dmp

\Windows\system\spoolsv.exe

MD5 0db24cd34faef49262f166d32b873c21
SHA1 65aa49aaf2f93c9457fd25a2c03d969772c8ddf3
SHA256 4e7777e47bf8031f79b7f961be6849cd23eef773359cf8a2ff7917ee5a4c94f3
SHA512 ab8b8e2172e304962479362b5f5a057a71aa6ce502fa2d70e19f240cdf50d45c6fd21f086fd7cf919e32d0d86f5e646ef921cea71f7acc08e757982e55f13ab3

memory/2992-26-0x0000000001DB0000-0x0000000001DF0000-memory.dmp

\Windows\system\svchost.exe

MD5 00ceced2eb56484746d75b087145a5db
SHA1 8a387668836d49ac922d6843c26ee2cc88ef8e6b
SHA256 33a99daefbc3b6ac14d02ced35593496308d1977a42d0a1ca51149300ac71310
SHA512 e3f1ef32bc7ba7eaf3d5f0342a6ea02b943efc52509151ad60657f808f1d6d9a86bd70ac57a1bdfb13d57b1f80c408242056e3f1d7da8abda1faa590ef2667d5

memory/2512-42-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2532-52-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2400-56-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2848-55-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Users\Admin\AppData\Roaming\mrsys.exe

MD5 8dff35c7a5b4c165478b338fdf3b5609
SHA1 836db3eb5dca3ca207ee01513c2cc30877dbd447
SHA256 75b87de23737ef144fe60fc32287806f8c33e5119b707f7606505458aa55f27d
SHA512 41a3f8f2303b222310c01f7f271a2866078b7c43af3dde48640fee6d8a2732b82d6dc69a39e8651d55a38c7f719cdbd0bcd15da121c29254227e48d6d618426d

\??\PIPE\atsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 05:00

Reported

2024-06-03 05:02

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" \??\c:\windows\system\svchost.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" \??\c:\windows\system\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" \??\c:\windows\system\svchost.exe N/A

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\svchost.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" \??\c:\windows\system\svchost.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} \??\c:\windows\system\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} \??\c:\windows\system\explorer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\spoolsv.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\spoolsv.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" \??\c:\windows\system\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" \??\c:\windows\system\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" \??\c:\windows\system\explorer.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification \??\c:\windows\system\svchost.exe \??\c:\windows\system\svchost.exe N/A
File opened for modification C:\Windows\system\udsys.exe \??\c:\windows\system\explorer.exe N/A
File opened for modification \??\c:\windows\system\explorer.exe C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe N/A
File opened for modification \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\explorer.exe N/A
File opened for modification \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe N/A
File opened for modification \??\c:\windows\system\explorer.exe \??\c:\windows\system\explorer.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A
N/A N/A \??\c:\windows\system\explorer.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A \??\c:\windows\system\explorer.exe N/A
N/A N/A \??\c:\windows\system\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 712 wrote to memory of 4948 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 712 wrote to memory of 4948 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 712 wrote to memory of 4948 N/A C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe \??\c:\windows\system\explorer.exe
PID 4948 wrote to memory of 2724 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 4948 wrote to memory of 2724 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 4948 wrote to memory of 2724 N/A \??\c:\windows\system\explorer.exe \??\c:\windows\system\spoolsv.exe
PID 2724 wrote to memory of 2548 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2724 wrote to memory of 2548 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2724 wrote to memory of 2548 N/A \??\c:\windows\system\spoolsv.exe \??\c:\windows\system\svchost.exe
PID 2548 wrote to memory of 2440 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2548 wrote to memory of 2440 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2548 wrote to memory of 2440 N/A \??\c:\windows\system\svchost.exe \??\c:\windows\system\spoolsv.exe
PID 2548 wrote to memory of 3460 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 3460 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 3460 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 5064 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 5064 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 5064 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 3880 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 3880 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe
PID 2548 wrote to memory of 3880 N/A \??\c:\windows\system\svchost.exe C:\Windows\SysWOW64\at.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe

"C:\Users\Admin\AppData\Local\Temp\e7e0e9d9f7078be9533bc85c2e6167daa86c0cfd9a32af88e2c9713c6db1fef7.exe"

\??\c:\windows\system\explorer.exe

c:\windows\system\explorer.exe

\??\c:\windows\system\spoolsv.exe

c:\windows\system\spoolsv.exe SE

\??\c:\windows\system\svchost.exe

c:\windows\system\svchost.exe

\??\c:\windows\system\spoolsv.exe

c:\windows\system\spoolsv.exe PR

C:\Windows\SysWOW64\at.exe

at 05:02 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

C:\Windows\SysWOW64\at.exe

at 05:03 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

C:\Windows\SysWOW64\at.exe

at 05:04 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 205.201.50.20.in-addr.arpa udp

Files

memory/712-0-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Windows\System\explorer.exe

MD5 afe6df2300ac2c50bf606244d3d47766
SHA1 9c857d10c9dc29c1b82317d45954417616640e12
SHA256 d1916749b3f62a76ee3474fee2173c71313d4d48274becab1b49c0d17f43f4a9
SHA512 72ee424b52c00c8a23d31605c3fe42ea083769e44b03854884a86095326884d6d4d14e8e0228b763d240c4b2f04e21a97f755cd11c4e6dfb6a5a9d8a8f873879

memory/4948-9-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Windows\System\spoolsv.exe

MD5 48d40f05d6e55664703d16bc48d57e4b
SHA1 698f68e18332ee266de091dcf67bf331c7990bb6
SHA256 439a537619a621dc4c6ee948e34a8d6afb86b1ec9e2850aa7b66695bbd5827ba
SHA512 bb1b45b2d3a70ff70163b202aa511c144a9b1cd6b9de53eb1b25e70fc92c66dd304cd7843a5e77e5c4848a34fa1237071cd1d23dbf19d8653dc8a08f06db3b70

C:\Windows\System\svchost.exe

MD5 bb48e2fa62d4b93ed3abb2b2af4b10ea
SHA1 9e2c66a67dc41f550b74fe3a0bd3d349f73387d8
SHA256 a8fad68be5def536b615a7a110c2828c1eda3e4785629ec7ebbde9f8f49a4ca1
SHA512 b50e9e2fc596ff1b03ec2b972196dab397ea5dd7e7601ae4ca0d9bb252a15fd8467974626016ca5514ea0c81226617a2cbfebde65db340e4a685625c27f98d47

memory/2440-35-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2724-36-0x0000000000400000-0x0000000000440000-memory.dmp

memory/712-37-0x0000000000400000-0x0000000000440000-memory.dmp

C:\Users\Admin\AppData\Roaming\mrsys.exe

MD5 4bf2a33d9005f7e8ce4cded4937b19fc
SHA1 8e9e4fba5066704ebdc2ef1c9d1de3f73b7aa3c7
SHA256 6e5c6d6a62f27cbc85bf6ac39a0c641c8489f50fd25baa4373fd756214c4d55c
SHA512 ac28aba99a5a779a581b0d1cbaba8927b45a54a1f694a221106509a2bdfd38cec948439f8ac529b7797f284ff9dd0fbf27b88a5b2bcdd13869e1d4353bb3a473