Malware Analysis Report

2025-08-05 17:30

Sample ID 221031-2tkc5seghq
Target e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
Tags
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1

Threat Level: Likely malicious

The file e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1 was found to be: Likely malicious.

Malicious Activity Summary


Executes dropped EXE

Suspicious use of SetThreadContext

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-31 22:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:52

Reported

2022-10-31 22:54

Platform

win10v2004-20220812-en

Max time kernel

97s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe"

Signatures

Creates scheduled task(s)

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 4568 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe
PID 1684 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Windows\SysWOW64\schtasks.exe
PID 1684 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Windows\SysWOW64\schtasks.exe
PID 1684 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe C:\Windows\SysWOW64\schtasks.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 316 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2000 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 1084 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe

"C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe"

C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe

C:\Users\Admin\AppData\Local\Temp\e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1.exe

C:\Windows\SysWOW64\schtasks.exe

/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Windows\SysWOW64\schtasks.exe

/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
US 52.182.143.210:443 tcp

Files

memory/4568-132-0x0000000000FA0000-0x0000000000FF6000-memory.dmp

memory/4568-133-0x00000000084C0000-0x0000000008A64000-memory.dmp

memory/4568-134-0x0000000007FB0000-0x0000000008042000-memory.dmp

memory/4568-135-0x0000000008250000-0x00000000082C6000-memory.dmp

memory/4568-136-0x0000000007F30000-0x0000000007F4E000-memory.dmp

memory/1684-137-0x0000000000000000-mapping.dmp

memory/1684-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1684-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1396-141-0x0000000000000000-mapping.dmp

memory/1684-142-0x0000000000400000-0x0000000000406000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 a47716af0d08152f36b3f4bc7352e478
SHA1 2068df3351fb590a465d04dba9f84e06abefdf6b
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA512 6281b6cb1eecdcb0b11914f4e7db24f7d571ec03322c7a8f087159bf5a3ab840c0a4fa5165eabe1e956f507fcad12dcc869bc440ccb63232dbc924cb9ced48d5

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 a47716af0d08152f36b3f4bc7352e478
SHA1 2068df3351fb590a465d04dba9f84e06abefdf6b
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA512 6281b6cb1eecdcb0b11914f4e7db24f7d571ec03322c7a8f087159bf5a3ab840c0a4fa5165eabe1e956f507fcad12dcc869bc440ccb63232dbc924cb9ced48d5

memory/2000-145-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 a47716af0d08152f36b3f4bc7352e478
SHA1 2068df3351fb590a465d04dba9f84e06abefdf6b
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA512 6281b6cb1eecdcb0b11914f4e7db24f7d571ec03322c7a8f087159bf5a3ab840c0a4fa5165eabe1e956f507fcad12dcc869bc440ccb63232dbc924cb9ced48d5

memory/4572-150-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 a47716af0d08152f36b3f4bc7352e478
SHA1 2068df3351fb590a465d04dba9f84e06abefdf6b
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA512 6281b6cb1eecdcb0b11914f4e7db24f7d571ec03322c7a8f087159bf5a3ab840c0a4fa5165eabe1e956f507fcad12dcc869bc440ccb63232dbc924cb9ced48d5

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

MD5 03d2df1e8834bc4ec1756735429b458c
SHA1 4ee6c0f5b04c8e0c5076219c5724032daab11d40
SHA256 745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631
SHA512 2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

memory/1328-153-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

MD5 a47716af0d08152f36b3f4bc7352e478
SHA1 2068df3351fb590a465d04dba9f84e06abefdf6b
SHA256 e8cf7f519a0980f02f24ea3dbcaca6b58deba5517acfa75b1631d1518fed43c1
SHA512 6281b6cb1eecdcb0b11914f4e7db24f7d571ec03322c7a8f087159bf5a3ab840c0a4fa5165eabe1e956f507fcad12dcc869bc440ccb63232dbc924cb9ced48d5