Malware Analysis Report

2025-05-28 17:31

Sample ID 230129-wlcenshf5y
Target 91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b
SHA256 91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b
Tags
qakbot obama07 1614243368 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

91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b

Threat Level: Known bad

The file 91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b was found to be: Known bad.

Malicious Activity Summary

qakbot obama07 1614243368 banker stealer trojan

Qakbot/Qbot

Loads dropped DLL

Program crash

Checks SCSI registry key(s)

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-29 18:00

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-29 18:00

Reported

2023-01-29 18:02

Platform

win7-20220812-en

Max time kernel

108s

Max time network

41s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1720 wrote to memory of 1860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1860 wrote to memory of 1200 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1200 wrote to memory of 1108 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1200 wrote to memory of 1108 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1200 wrote to memory of 1108 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1200 wrote to memory of 1108 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 696 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Windows\system32\regsvr32.exe
PID 696 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Windows\system32\regsvr32.exe
PID 696 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Windows\system32\regsvr32.exe
PID 696 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Windows\system32\regsvr32.exe
PID 696 wrote to memory of 1304 N/A C:\Windows\system32\taskeng.exe C:\Windows\system32\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1304 wrote to memory of 692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn plqunaqwj /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll\"" /SC ONCE /Z /ST 19:02 /ET 19:14

C:\Windows\system32\taskeng.exe

taskeng.exe {5E7CD9E2-29A2-4BFA-95EA-7C2A0A00C7A1} S-1-5-18:NT AUTHORITY\System:Service:

C:\Windows\system32\regsvr32.exe

regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll"

C:\Windows\SysWOW64\regsvr32.exe

-s "C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll"

Network

N/A

Files

memory/1720-54-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

memory/1860-55-0x0000000000000000-mapping.dmp

memory/1860-56-0x00000000762B1000-0x00000000762B3000-memory.dmp

memory/1860-57-0x0000000010000000-0x0000000011000000-memory.dmp

memory/1860-58-0x0000000002380000-0x0000000003380000-memory.dmp

memory/1860-59-0x0000000010000000-0x0000000011000000-memory.dmp

memory/1200-60-0x0000000000000000-mapping.dmp

memory/1200-62-0x00000000749E1000-0x00000000749E3000-memory.dmp

memory/1200-63-0x0000000000080000-0x00000000000B5000-memory.dmp

memory/1108-64-0x0000000000000000-mapping.dmp

memory/1200-65-0x0000000000080000-0x00000000000B5000-memory.dmp

memory/1304-66-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

MD5 be56b94c17def87ebc48d53102687dfa
SHA1 016495925d9edffb4088cc2cec1d8fbcff6e2220
SHA256 50dc0e489c0646b661443d4ed96868b44ae6ba9ac32f38a57d8501c62056965d
SHA512 e5b7756b7f255a4ae3046f0a6e5f2728b22cd5eccf30f781360a16128be0040daa34fa2dcc4401aec843772a33dc9e377a58023817fa0588d124479b9ea1298c

memory/692-69-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

MD5 be56b94c17def87ebc48d53102687dfa
SHA1 016495925d9edffb4088cc2cec1d8fbcff6e2220
SHA256 50dc0e489c0646b661443d4ed96868b44ae6ba9ac32f38a57d8501c62056965d
SHA512 e5b7756b7f255a4ae3046f0a6e5f2728b22cd5eccf30f781360a16128be0040daa34fa2dcc4401aec843772a33dc9e377a58023817fa0588d124479b9ea1298c

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-29 18:00

Reported

2023-01-29 18:02

Platform

win10v2004-20221111-en

Max time kernel

152s

Max time network

158s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 C:\Windows\SysWOW64\regsvr32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\DeviceDesc C:\Windows\SysWOW64\regsvr32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Service C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 C:\Windows\SysWOW64\regsvr32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\DeviceDesc C:\Windows\SysWOW64\regsvr32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Service C:\Windows\SysWOW64\regsvr32.exe N/A

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2632 wrote to memory of 5032 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2632 wrote to memory of 5032 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2632 wrote to memory of 5032 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5032 wrote to memory of 4248 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 5032 wrote to memory of 4248 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 5032 wrote to memory of 4248 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 5032 wrote to memory of 4248 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 5032 wrote to memory of 4248 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 4248 wrote to memory of 2556 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 4248 wrote to memory of 2556 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 4248 wrote to memory of 2556 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 2352 wrote to memory of 4692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2352 wrote to memory of 4692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2352 wrote to memory of 4692 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mnqxgmeclx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll\"" /SC ONCE /Z /ST 19:02 /ET 19:14

C:\Windows\system32\regsvr32.exe

regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll"

C:\Windows\SysWOW64\regsvr32.exe

-s "C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4692 -ip 4692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 588

Network

Country Destination Domain Proto
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 40.79.189.59:443 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 104.80.225.205:443 tcp

Files

memory/5032-132-0x0000000000000000-mapping.dmp

memory/5032-133-0x0000000010000000-0x0000000011000000-memory.dmp

memory/5032-134-0x0000000002990000-0x0000000003990000-memory.dmp

memory/5032-135-0x0000000010000000-0x0000000011000000-memory.dmp

memory/4248-136-0x0000000000000000-mapping.dmp

memory/2556-137-0x0000000000000000-mapping.dmp

memory/4248-138-0x0000000001040000-0x0000000001075000-memory.dmp

memory/4248-139-0x0000000001040000-0x0000000001075000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

MD5 be56b94c17def87ebc48d53102687dfa
SHA1 016495925d9edffb4088cc2cec1d8fbcff6e2220
SHA256 50dc0e489c0646b661443d4ed96868b44ae6ba9ac32f38a57d8501c62056965d
SHA512 e5b7756b7f255a4ae3046f0a6e5f2728b22cd5eccf30f781360a16128be0040daa34fa2dcc4401aec843772a33dc9e377a58023817fa0588d124479b9ea1298c

memory/4692-141-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\91b2699d3ab9975d1c1648e46826114e85275df98757594561011576ad7d502b.dll

MD5 be56b94c17def87ebc48d53102687dfa
SHA1 016495925d9edffb4088cc2cec1d8fbcff6e2220
SHA256 50dc0e489c0646b661443d4ed96868b44ae6ba9ac32f38a57d8501c62056965d
SHA512 e5b7756b7f255a4ae3046f0a6e5f2728b22cd5eccf30f781360a16128be0040daa34fa2dcc4401aec843772a33dc9e377a58023817fa0588d124479b9ea1298c

memory/4692-143-0x0000000010000000-0x0000000011000000-memory.dmp