Malware Analysis Report

2025-08-10 23:17

Sample ID 221101-nq4qqacdfr
Target 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
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

8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528

Threat Level: Likely malicious

The file 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528 was found to be: Likely malicious.

Malicious Activity Summary


Executes dropped EXE

Suspicious use of SetThreadContext

Program crash

Creates scheduled task(s)

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-01 11:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 11:37

Reported

2022-11-01 11:39

Platform

win10v2004-20220901-en

Max time kernel

124s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.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 UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 2444 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe
PID 5088 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Windows\SysWOW64\schtasks.exe
PID 5088 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Windows\SysWOW64\schtasks.exe
PID 5088 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe C:\Windows\SysWOW64\schtasks.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 2120 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 3060 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3060 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 3060 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 964 wrote to memory of 4784 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\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe

"C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe"

C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.exe

C:\Users\Admin\AppData\Local\Temp\8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528.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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4784 -ip 4784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 12

Network

Country Destination Domain Proto
IE 20.50.80.209:443 tcp
FR 2.18.109.224:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp

Files

memory/2444-132-0x00000000002C0000-0x0000000000316000-memory.dmp

memory/2444-133-0x00000000076F0000-0x0000000007C94000-memory.dmp

memory/2444-134-0x0000000007140000-0x00000000071D2000-memory.dmp

memory/2444-135-0x0000000007EA0000-0x0000000007F16000-memory.dmp

memory/2444-136-0x0000000004CC0000-0x0000000004CDE000-memory.dmp

memory/5088-137-0x0000000000000000-mapping.dmp

memory/5088-138-0x0000000000400000-0x0000000000406000-memory.dmp

memory/5088-140-0x0000000000400000-0x0000000000406000-memory.dmp

memory/312-141-0x0000000000000000-mapping.dmp

memory/5088-142-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 23e5e32bb8c44f497147b82074ae267f
SHA1 2c7efec3341f42a30bc536a485f78a6700cdd811
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA512 de8402d58e5b04e998e1523f6ccc569ccb7c751cd23abe5dcd8af7ba6d4c1a3d212e21b9c77f646c50b2e9adf55c70dfcba6ab86133a74de523c96097125f72f

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

MD5 23e5e32bb8c44f497147b82074ae267f
SHA1 2c7efec3341f42a30bc536a485f78a6700cdd811
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA512 de8402d58e5b04e998e1523f6ccc569ccb7c751cd23abe5dcd8af7ba6d4c1a3d212e21b9c77f646c50b2e9adf55c70dfcba6ab86133a74de523c96097125f72f

memory/3060-145-0x0000000000000000-mapping.dmp

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

MD5 23e5e32bb8c44f497147b82074ae267f
SHA1 2c7efec3341f42a30bc536a485f78a6700cdd811
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA512 de8402d58e5b04e998e1523f6ccc569ccb7c751cd23abe5dcd8af7ba6d4c1a3d212e21b9c77f646c50b2e9adf55c70dfcba6ab86133a74de523c96097125f72f

memory/2984-150-0x0000000000000000-mapping.dmp

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

MD5 23e5e32bb8c44f497147b82074ae267f
SHA1 2c7efec3341f42a30bc536a485f78a6700cdd811
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA512 de8402d58e5b04e998e1523f6ccc569ccb7c751cd23abe5dcd8af7ba6d4c1a3d212e21b9c77f646c50b2e9adf55c70dfcba6ab86133a74de523c96097125f72f

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

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

memory/4784-153-0x0000000000000000-mapping.dmp

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

MD5 23e5e32bb8c44f497147b82074ae267f
SHA1 2c7efec3341f42a30bc536a485f78a6700cdd811
SHA256 8102aafa0becf9453f59d0067de5f2a85103e0d7bc5eea429504c47eb88c5528
SHA512 de8402d58e5b04e998e1523f6ccc569ccb7c751cd23abe5dcd8af7ba6d4c1a3d212e21b9c77f646c50b2e9adf55c70dfcba6ab86133a74de523c96097125f72f