Malware Analysis Report

2025-06-15 21:00

Sample ID 201019-pc4ewlb3tj
Target document-1346735711.xls
SHA256 25ffed87c36a5e25d0685db9bb82346c56c0bf3c0d788bfade993d4eff3fe8ba
Tags
macro trojan banker stealer qakbot
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

25ffed87c36a5e25d0685db9bb82346c56c0bf3c0d788bfade993d4eff3fe8ba

Threat Level: Known bad

The file document-1346735711.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Executes dropped EXE

Office macro that triggers on suspicious action

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Enumerates system info in registry

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 23:32

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-19 23:32

Reported

2020-10-19 23:35

Platform

win7v200722

Max time kernel

111s

Max time network

31s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1346735711.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\WErtu\Reterd\szvmhegu.exe N/A
N/A N/A C:\WErtu\Reterd\szvmhegu.exe N/A

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

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

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1044 wrote to memory of 1372 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1044 wrote to memory of 1372 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1044 wrote to memory of 1372 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1044 wrote to memory of 1372 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1372 wrote to memory of 1432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1372 wrote to memory of 1432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1372 wrote to memory of 1432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1372 wrote to memory of 1432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1372 wrote to memory of 868 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 1372 wrote to memory of 868 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 1372 wrote to memory of 868 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 1372 wrote to memory of 868 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 1372 wrote to memory of 1464 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1372 wrote to memory of 1464 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1372 wrote to memory of 1464 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1372 wrote to memory of 1464 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 868 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 868 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 868 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 868 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe
PID 868 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Windows\SysWOW64\explorer.exe
PID 868 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Windows\SysWOW64\explorer.exe
PID 868 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Windows\SysWOW64\explorer.exe
PID 868 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Windows\SysWOW64\explorer.exe
PID 868 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe C:\Windows\SysWOW64\explorer.exe
PID 1792 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1792 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1792 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1792 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe

Processes

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1346735711.xls

C:\WErtu\Reterd\szvmhegu.exe

"C:\WErtu\Reterd\szvmhegu.exe"

C:\WErtu\Reterd\szvmhegu.exe

C:\WErtu\Reterd\szvmhegu.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cmkcfwuhy /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I cmkcfwuhy" /SC ONCE /Z /ST 01:31 /ET 01:43

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {17343594-62D2-4E81-B120-6182CC716554} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

C:\WErtu\Reterd\szvmhegu.exe /I cmkcfwuhy

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.notamuzikaletleri.com udp
N/A 176.53.8.231:443 www.notamuzikaletleri.com tcp

Files

memory/1876-2-0x000007FEF7B80000-0x000007FEF7DFA000-memory.dmp

memory/1372-3-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1044-5-0x0000000005F40000-0x0000000005F44000-memory.dmp

memory/1044-6-0x0000000005FE0000-0x0000000005FE4000-memory.dmp

memory/1044-9-0x0000000004D00000-0x0000000004D04000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1432-11-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1432-13-0x00000000026D0000-0x00000000026E1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/868-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1464-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1468-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1468-23-0x0000000002590000-0x00000000025A1000-memory.dmp

memory/868-24-0x0000000000440000-0x0000000000477000-memory.dmp

memory/1640-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Uaerocbfc\ljojio.dat

MD5 31b147622402791ac1863e1ee82e5950
SHA1 4897c10a988eb4a082c4cbb042aaf299a9378123
SHA256 74068113ca8ab032332d64007c8fa12cc49da2fb5b63ae4aa39cb1d8794ca301
SHA512 ad09877fa102b30b33f5820c21be763b56ded112fc10dc234a30efdf833955f2bc43be8acbd1eb397499e4d13f2ed3e45a0043b3f4e29d9b16b8077dcf4f8189

memory/1504-27-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 23:32

Reported

2020-10-19 23:35

Platform

win10

Max time kernel

17s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1346735711.xls"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1346735711.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4484

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4484

Network

N/A

Files

memory/3952-0-0x00007FFA83CC0000-0x00007FFA84386000-memory.dmp

memory/2848-3-0x0000000000000000-mapping.dmp

memory/200-4-0x0000000000000000-mapping.dmp

memory/200-5-0x0000022E55F20000-0x0000022E55F21000-memory.dmp

memory/200-6-0x0000022E55F20000-0x0000022E55F21000-memory.dmp

memory/200-8-0x0000022E56660000-0x0000022E56661000-memory.dmp

memory/200-11-0x0000022E56880000-0x0000022E56881000-memory.dmp

memory/200-12-0x0000022E56880000-0x0000022E56881000-memory.dmp

memory/200-13-0x0000022E56880000-0x0000022E56881000-memory.dmp