Malware Analysis Report

2025-06-15 21:58

Sample ID 221109-eh9gkadeg6
Target cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5
SHA256 cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5
Tags
systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5

Threat Level: Known bad

The file cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5 was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Drops file in Windows directory

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-11-09 03:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-09 03:57

Reported

2022-11-09 04:03

Platform

win7-20220812-en

Max time kernel

82s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe

"C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {18BC3B0D-879D-41B4-9057-326FFE2AEB07} S-1-5-18:NT AUTHORITY\System:Service:

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe start

Network

Country Destination Domain Proto
RU 45.15.156.48:4254 tcp

Files

memory/1672-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

memory/1672-56-0x00000000001B0000-0x00000000001B5000-memory.dmp

memory/1672-55-0x00000000002EB000-0x0000000000301000-memory.dmp

memory/1672-57-0x0000000000400000-0x0000000002C3E000-memory.dmp

memory/624-58-0x0000000000000000-mapping.dmp

memory/624-60-0x0000000002E0B000-0x0000000002E21000-memory.dmp

memory/624-61-0x0000000000400000-0x0000000002C3E000-memory.dmp

memory/624-62-0x0000000002E0B000-0x0000000002E21000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-09 03:57

Reported

2022-11-09 04:03

Platform

win10-20220812-en

Max time kernel

308s

Max time network

321s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe"

Signatures

SystemBC

trojan systembc

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe N/A
File opened for modification C:\Windows\Tasks\wow64.job C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe

"C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe"

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe

C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe start

Network

Country Destination Domain Proto
US 20.42.65.85:443 tcp
RU 45.15.156.48:4254 tcp
BG 146.70.53.169:4254 tcp
RU 45.15.156.48:4254 tcp
BG 146.70.53.169:4254 tcp
RU 45.15.156.48:4254 tcp

Files

memory/5036-116-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-117-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-118-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-119-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-120-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-121-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-122-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-123-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-124-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-125-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-126-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-127-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-128-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-129-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-130-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-131-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-132-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-133-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-134-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-135-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-136-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-137-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-139-0x0000000002F56000-0x0000000002F6B000-memory.dmp

memory/5036-138-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-140-0x0000000002E70000-0x0000000002E75000-memory.dmp

memory/5036-141-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-142-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-143-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-144-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-145-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-146-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-147-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-148-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-149-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-150-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-151-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-152-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-153-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-154-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-155-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-156-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-157-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-158-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-159-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-160-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-161-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-162-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-163-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-164-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-166-0x0000000000400000-0x0000000002C3E000-memory.dmp

memory/5036-165-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-167-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-168-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-169-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-170-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-171-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-172-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-173-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-174-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-176-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-175-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-177-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-178-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-179-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-180-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-181-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/3904-182-0x0000000077440000-0x00000000775CE000-memory.dmp

memory/5036-184-0x0000000002E70000-0x0000000002E75000-memory.dmp

memory/5036-183-0x0000000002F56000-0x0000000002F6B000-memory.dmp

memory/3904-202-0x0000000002EFB000-0x0000000002F11000-memory.dmp

memory/3904-209-0x0000000000400000-0x0000000002C3E000-memory.dmp

memory/3904-211-0x0000000002EFB000-0x0000000002F11000-memory.dmp

memory/5036-212-0x0000000002F56000-0x0000000002F6B000-memory.dmp