Malware Analysis Report

2024-11-30 22:50

Sample ID 230507-ghrmvsdh74
Target ayjbrprbkbxm.dll
SHA256 88a2725a387dec6b5402c3597642c6085aef187aad75f241915445adfc99263d
Tags
qakbot notset 1681806702 banker stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

88a2725a387dec6b5402c3597642c6085aef187aad75f241915445adfc99263d

Threat Level: Known bad

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

Malicious Activity Summary

qakbot notset 1681806702 banker stealer trojan

Qakbot/Qbot

Unsigned PE

Program crash

Runs ping.exe

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-07 05:48

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-07 05:48

Reported

2023-05-07 15:47

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ayjbrprbkbxm.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3012 wrote to memory of 1292 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3012 wrote to memory of 1292 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3012 wrote to memory of 1292 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1292 -ip 1292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 680

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 84.150.43.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
FR 51.11.192.49:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
US 52.242.101.226:443 tcp
US 209.197.3.8:80 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp

Files

memory/1292-133-0x0000000002510000-0x0000000002511000-memory.dmp

memory/1292-134-0x0000000002A70000-0x0000000002A94000-memory.dmp

memory/1292-135-0x0000000002A70000-0x0000000002A94000-memory.dmp

memory/1292-136-0x00000000025B0000-0x00000000025D7000-memory.dmp

memory/1292-137-0x0000000002A70000-0x0000000002A94000-memory.dmp

memory/1292-139-0x0000000000400000-0x00000000004CD000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-07 05:48

Reported

2023-05-07 15:47

Platform

win7-20230220-en

Max time kernel

151s

Max time network

34s

Command Line

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

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Runs ping.exe

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

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
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 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1284 wrote to memory of 1312 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1312 wrote to memory of 1608 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1608 wrote to memory of 580 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1608 wrote to memory of 580 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1608 wrote to memory of 580 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1608 wrote to memory of 580 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\ping.exe

ping -n 3 yahoo.com

Network

Country Destination Domain Proto
US 8.8.8.8:53 yahoo.com udp

Files

memory/1312-54-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/1312-55-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1312-56-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1312-57-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1312-58-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1312-59-0x0000000000270000-0x0000000000297000-memory.dmp

memory/1312-60-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1312-61-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/1608-63-0x00000000000B0000-0x00000000000B2000-memory.dmp

memory/1608-64-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-65-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-67-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1312-66-0x00000000003C0000-0x00000000003E4000-memory.dmp

memory/1608-69-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-70-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-71-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-72-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1608-74-0x0000000000080000-0x00000000000A4000-memory.dmp