Malware Analysis Report

2025-04-03 08:52

Sample ID 230228-nfn8aaba97
Target StrangulatorySubduedness.dll
SHA256 628b7be2f1bb39f173458d0595ddfed907157ef25a574d34faaa4bfd80129071
Tags
qakbot bb17 1677576236 banker stealer 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

628b7be2f1bb39f173458d0595ddfed907157ef25a574d34faaa4bfd80129071

Threat Level: Known bad

The file StrangulatorySubduedness.dll was found to be: Known bad.

Malicious Activity Summary

qakbot bb17 1677576236 banker stealer trojan

Qakbot/Qbot

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-28 11:20

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 11:20

Reported

2023-02-28 11:22

Platform

win7-20230220-en

Max time kernel

31s

Max time network

34s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 224

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 11:20

Reported

2023-02-28 11:22

Platform

win10v2004-20230220-en

Max time kernel

130s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3424 wrote to memory of 1344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3424 wrote to memory of 1344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3424 wrote to memory of 1344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 2616 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 4964 wrote to memory of 2616 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 2616 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2616 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2616 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 3600 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 4964 wrote to memory of 3600 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 3600 wrote to memory of 3440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3600 wrote to memory of 3440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3600 wrote to memory of 3440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1640 wrote to memory of 2352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1640 wrote to memory of 2352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1640 wrote to memory of 2352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 3440 wrote to memory of 788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 3440 wrote to memory of 788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 3440 wrote to memory of 788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1640 wrote to memory of 2352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 3440 wrote to memory of 788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1640 wrote to memory of 2352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 3440 wrote to memory of 788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1344 -ip 1344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 600

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe"

C:\Windows\system32\rundll32.exe

rundll32 StrangulatorySubduedness.dll,N115

C:\Windows\SysWOW64\rundll32.exe

rundll32 StrangulatorySubduedness.dll,N115

C:\Windows\system32\rundll32.exe

rundll32 StrangulatorySubduedness.dll,N115

C:\Windows\SysWOW64\rundll32.exe

rundll32 StrangulatorySubduedness.dll,N115

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 29.220.184.93.in-addr.arpa udp
US 8.8.8.8:53 203.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 20.42.73.26:443 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 73.254.224.20.in-addr.arpa udp
NL 8.253.208.120:80 tcp

Files

memory/3440-134-0x0000000002C20000-0x0000000002C43000-memory.dmp

memory/1640-133-0x00000000026E0000-0x0000000002703000-memory.dmp

memory/1640-141-0x00000000026D0000-0x00000000026D3000-memory.dmp

memory/1640-144-0x00000000026E0000-0x0000000002703000-memory.dmp

memory/3440-145-0x0000000002C20000-0x0000000002C43000-memory.dmp

memory/1640-147-0x00000000026E0000-0x0000000002703000-memory.dmp

memory/3440-146-0x0000000002C20000-0x0000000002C43000-memory.dmp

memory/3440-148-0x0000000001340000-0x0000000001343000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\StrangulatorySubduedness.dll

MD5 b356f2f09b3cc78822ec9e4458338087
SHA1 a27152f549445c8bdac3133d97cfe332c3f0516d
SHA256 184063cf0a1c430e8c789d5d181061353bbfab16b8c2dc0eed40f486611b0372
SHA512 1b5677da6ee0f72dffcdb92e32d6acadf40d3a3f1179fc8921f75c19861489d3b55c3e66aae7d05cddaf8c688fdcbef1fc6d39ff6faa96795c2da9a1047ffa96

memory/2352-153-0x0000000000C40000-0x0000000000C63000-memory.dmp

memory/788-150-0x0000000000140000-0x0000000000163000-memory.dmp

memory/2352-154-0x0000000000C40000-0x0000000000C63000-memory.dmp

memory/788-155-0x0000000000140000-0x0000000000163000-memory.dmp

memory/788-156-0x0000000000140000-0x0000000000163000-memory.dmp

memory/788-157-0x0000000000140000-0x0000000000163000-memory.dmp

memory/788-158-0x0000000000140000-0x0000000000163000-memory.dmp

memory/788-159-0x0000000000140000-0x0000000000163000-memory.dmp

memory/788-161-0x0000000000140000-0x0000000000163000-memory.dmp