Malware Analysis Report

2024-11-30 22:53

Sample ID 230516-m5hlcshd9v
Target Dichromate.We
SHA256 2a67566a8aec9d59a72cb243c7fb719085e209f0489077230f857afa1e8ad7fb
Tags
qakbot bb28 1684145503 banker stealer trojan
score
10/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2a67566a8aec9d59a72cb243c7fb719085e209f0489077230f857afa1e8ad7fb

Threat Level: Known bad

The file Dichromate.We was found to be: Known bad.

Malicious Activity Summary

qakbot bb28 1684145503 banker stealer trojan

Qakbot/Qbot

Drops file in System32 directory

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-16 11:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-16 11:02

Reported

2023-05-16 11:05

Platform

win7-20230220-en

Max time kernel

150s

Max time network

135s

Command Line

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

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ping.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 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1976 wrote to memory of 1692 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1692 wrote to memory of 1632 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1692 wrote to memory of 1632 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1692 wrote to memory of 1632 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1692 wrote to memory of 1632 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1116 wrote to memory of 588 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1116 wrote to memory of 588 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1116 wrote to memory of 588 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1844 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1844 wrote to memory of 1084 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1084 wrote to memory of 628 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1084 wrote to memory of 628 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1084 wrote to memory of 628 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1084 wrote to memory of 628 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\Dichromate.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 228

C:\Windows\system32\cmd.exe

"cmd.exe" /s /k pushd "C:\Users\Admin\Desktop"

C:\Windows\system32\rundll32.exe

rundll32 Dichromate.dll,print

C:\Windows\SysWOW64\rundll32.exe

rundll32 Dichromate.dll,print

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/1844-54-0x00000000000F0000-0x00000000000F3000-memory.dmp

memory/1844-55-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1084-60-0x00000000000B0000-0x00000000000B2000-memory.dmp

memory/1084-61-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-62-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-63-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-64-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-65-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-66-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-67-0x0000000000080000-0x00000000000A4000-memory.dmp

memory/1084-69-0x0000000000080000-0x00000000000A4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-16 11:02

Reported

2023-05-16 11:05

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

150s

Command Line

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

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe N/A

Program crash

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

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\system32\WindowsPowerShell\v1.0\PowerShell.exe N/A
N/A N/A C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4696 wrote to memory of 4264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4696 wrote to memory of 4264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4696 wrote to memory of 4264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3628 wrote to memory of 3188 N/A C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe C:\Windows\system32\rundll32.exe
PID 3628 wrote to memory of 3188 N/A C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe C:\Windows\system32\rundll32.exe
PID 3188 wrote to memory of 4716 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3188 wrote to memory of 4716 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3188 wrote to memory of 4716 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4716 wrote to memory of 1224 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4716 wrote to memory of 1224 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4716 wrote to memory of 1224 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4716 wrote to memory of 1224 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4716 wrote to memory of 1224 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 1224 wrote to memory of 640 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1224 wrote to memory of 640 N/A C:\Windows\SysWOW64\wermgr.exe C:\Windows\SysWOW64\ping.exe
PID 1224 wrote to memory of 640 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\Dichromate.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4264 -ip 4264

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 600

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\WindowsPowerShell\v1.0\PowerShell.exe

"PowerShell.exe" -noexit -command Set-Location -literalPath 'C:\Users\Admin\AppData\Local\Temp'

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" .\Dichromate.dll,print

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" .\Dichromate.dll,print

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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 20.189.173.6:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 93.184.220.29:80 tcp
NL 88.221.25.155:80 tcp
US 8.8.8.8:53 yahoo.com udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x5htqjkn.hbi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3628-144-0x000001A125F30000-0x000001A125F52000-memory.dmp

memory/3628-145-0x000001A126020000-0x000001A126030000-memory.dmp

memory/3628-146-0x000001A125FB0000-0x000001A125FF4000-memory.dmp

memory/3628-147-0x000001A126020000-0x000001A126030000-memory.dmp

memory/3628-148-0x000001A1264F0000-0x000001A126566000-memory.dmp

memory/3628-149-0x000001A126000000-0x000001A12601E000-memory.dmp

memory/3628-150-0x000001A126020000-0x000001A126030000-memory.dmp

memory/3628-151-0x000001A126020000-0x000001A126030000-memory.dmp

memory/3628-152-0x000001A126020000-0x000001A126030000-memory.dmp

memory/4716-156-0x0000000002630000-0x0000000002633000-memory.dmp

memory/4716-157-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1224-162-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-163-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-164-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-165-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-166-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-167-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-168-0x0000000000150000-0x0000000000174000-memory.dmp

memory/1224-170-0x0000000000150000-0x0000000000174000-memory.dmp