Malware Analysis Report

2025-04-03 08:52

Sample ID 230314-ck4yrach45
Target 74ee45a7dc4ca40eaaf817dc5959328d.dll.vir
SHA256 6372927c368b79c065c445ed58617dc9e60975d3fd94b177bd4e10e01694bd2b
Tags
qakbot bb19 1678708246 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

6372927c368b79c065c445ed58617dc9e60975d3fd94b177bd4e10e01694bd2b

Threat Level: Known bad

The file 74ee45a7dc4ca40eaaf817dc5959328d.dll.vir was found to be: Known bad.

Malicious Activity Summary

qakbot bb19 1678708246 banker stealer trojan

Qakbot/Qbot

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-14 02:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-14 02:09

Reported

2023-03-14 02:11

Platform

win7-20230220-en

Max time kernel

150s

Max time network

59s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.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\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1716 wrote to memory of 1708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1708 wrote to memory of 1216 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1708 wrote to memory of 1216 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1708 wrote to memory of 1216 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1708 wrote to memory of 1216 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1112 wrote to memory of 292 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1112 wrote to memory of 292 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1112 wrote to memory of 292 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 292 wrote to memory of 776 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 776 wrote to memory of 1380 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 776 wrote to memory of 1380 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 776 wrote to memory of 1380 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 776 wrote to memory of 1380 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 776 wrote to memory of 1380 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 776 wrote to memory of 1380 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\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 224

C:\Windows\system32\verclsid.exe

"C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe"

C:\Windows\system32\rundll32.exe

rundll32 74ee45a7dc4ca40eaaf817dc5959328d.dll,XS88

C:\Windows\SysWOW64\rundll32.exe

rundll32 74ee45a7dc4ca40eaaf817dc5959328d.dll,XS88

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

Network

N/A

Files

memory/776-54-0x0000000000180000-0x00000000001A3000-memory.dmp

memory/776-59-0x0000000000180000-0x00000000001A3000-memory.dmp

memory/1380-60-0x00000000000B0000-0x00000000000B2000-memory.dmp

memory/776-61-0x0000000000180000-0x00000000001A3000-memory.dmp

memory/1380-63-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-64-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-65-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-66-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-67-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-68-0x0000000000080000-0x00000000000A3000-memory.dmp

memory/1380-70-0x0000000000080000-0x00000000000A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-14 02:09

Reported

2023-03-14 02:11

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

144s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2800 wrote to memory of 4656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 4656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 4656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4428 wrote to memory of 3036 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe
PID 4428 wrote to memory of 3036 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4656 -ip 4656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 648

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe"

C:\Windows\system32\rundll32.exe

rundll32 74ee45a7dc4ca40eaaf817dc5959328d.dll,XS88

Network

Country Destination Domain Proto
BE 8.238.110.126:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 11.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 133.17.126.40.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 154.25.221.88.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
NL 20.50.201.195:443 tcp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
US 52.152.110.14:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 177.238.32.23.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

N/A