Malware Analysis Report

2025-08-10 23:16

Sample ID 221101-nqkylscdfl
Target 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
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

277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791

Threat Level: Likely malicious

The file 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791 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

2022-11-01 11:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-01 11:36

Reported

2022-11-01 11:38

Platform

win10-20220812-en

Max time kernel

118s

Max time network

72s

Command Line

"C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.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 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 1524 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe
PID 3448 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Windows\SysWOW64\schtasks.exe
PID 3448 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Windows\SysWOW64\schtasks.exe
PID 3448 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe C:\Windows\SysWOW64\schtasks.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4384 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4128 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4128 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4128 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Windows\SysWOW64\schtasks.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
PID 4952 wrote to memory of 636 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\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe

"C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe"

C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.exe

C:\Users\Admin\AppData\Local\Temp\277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791.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
NL 52.178.17.3:443 tcp
US 209.197.3.8:80 tcp

Files

memory/1524-116-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-117-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-118-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-119-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-120-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-121-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-122-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-123-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-124-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-126-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-125-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-127-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-128-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-129-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-130-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-131-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-132-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-133-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-134-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-135-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-136-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-138-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-139-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-137-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-140-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-141-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-142-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-143-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-144-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-145-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-146-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-147-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-148-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-150-0x0000000000560000-0x00000000005B6000-memory.dmp

memory/1524-151-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-152-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-149-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-153-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-155-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-156-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-154-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-157-0x0000000004EB0000-0x0000000004F7C000-memory.dmp

memory/1524-158-0x0000000007920000-0x0000000007E1E000-memory.dmp

memory/1524-159-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-160-0x0000000007500000-0x0000000007592000-memory.dmp

memory/1524-161-0x0000000007460000-0x0000000007466000-memory.dmp

memory/1524-162-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-163-0x00000000077A0000-0x0000000007816000-memory.dmp

memory/1524-164-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-166-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-165-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-167-0x00000000074B0000-0x00000000074CE000-memory.dmp

memory/1524-170-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-171-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-173-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-172-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-169-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-168-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-177-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-179-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-186-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-187-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-185-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-184-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-183-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1524-182-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-181-0x0000000077290000-0x000000007741E000-memory.dmp

memory/1104-209-0x0000000000000000-mapping.dmp

memory/3448-178-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-176-0x0000000077290000-0x000000007741E000-memory.dmp

memory/3448-175-0x0000000000402354-mapping.dmp

memory/3448-174-0x0000000000400000-0x0000000000406000-memory.dmp

memory/3448-227-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 0d865c9f7f06f0416eb2371531e7f1c5
SHA1 86d55a284116895d3e13be3dadb3c904b31e3870
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA512 ad94d9de5336dc1446a8e24a23c5f938b1c3dc14bbd1ddf5b7de611f8ce221049866635d1586121037e6cf81ebf884bda8beefba530e6154bf98452f0363e854

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

MD5 0d865c9f7f06f0416eb2371531e7f1c5
SHA1 86d55a284116895d3e13be3dadb3c904b31e3870
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA512 ad94d9de5336dc1446a8e24a23c5f938b1c3dc14bbd1ddf5b7de611f8ce221049866635d1586121037e6cf81ebf884bda8beefba530e6154bf98452f0363e854

memory/4128-285-0x0000000000402354-mapping.dmp

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

MD5 0d865c9f7f06f0416eb2371531e7f1c5
SHA1 86d55a284116895d3e13be3dadb3c904b31e3870
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA512 ad94d9de5336dc1446a8e24a23c5f938b1c3dc14bbd1ddf5b7de611f8ce221049866635d1586121037e6cf81ebf884bda8beefba530e6154bf98452f0363e854

memory/4960-319-0x0000000000000000-mapping.dmp

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

MD5 0d865c9f7f06f0416eb2371531e7f1c5
SHA1 86d55a284116895d3e13be3dadb3c904b31e3870
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA512 ad94d9de5336dc1446a8e24a23c5f938b1c3dc14bbd1ddf5b7de611f8ce221049866635d1586121037e6cf81ebf884bda8beefba530e6154bf98452f0363e854

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

MD5 db5ef8d7c51bad129d9097bf953e4913
SHA1 8439db960aa2d431bf5ec3c37af775b45eb07e06
SHA256 1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
SHA512 04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

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

MD5 0d865c9f7f06f0416eb2371531e7f1c5
SHA1 86d55a284116895d3e13be3dadb3c904b31e3870
SHA256 277e70a459d0276309fed8514f10393e6d4ab59069d7502176d886f462eaf791
SHA512 ad94d9de5336dc1446a8e24a23c5f938b1c3dc14bbd1ddf5b7de611f8ce221049866635d1586121037e6cf81ebf884bda8beefba530e6154bf98452f0363e854

memory/636-392-0x0000000000402354-mapping.dmp