45dc9013197a06c850ec744b62752731f43e8be34a0333e47206a77482046571

General

Target

45dc9013197a06c850ec744b62752731f43e8be34a0333e47206a77482046571.xls
Size

137KB
MD5

3ad1cb077fb9f185f4c3fab46866959a
SHA1

80f2befef95a4dc0adfccecb5d954b6b9d6d5424
SHA256

45dc9013197a06c850ec744b62752731f43e8be34a0333e47206a77482046571
SHA512

33b16b0b640a86f614e7c2ab85202f227be0ee4b1ac8e644f7d230caf14bea1a570e261f1a1dbd724cf0a5318f5c8368a6f47f3d4df214ea8c8bf34183f071b7
SSDEEP

3072:IwZGG/qpcYkylWVbrzQ7ITkGt6yDWBQn6KNL7:cWYytb

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

cmd.execmd.execmd.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	1696	1112	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1464	1112	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1788	1112	cmd.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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1112 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1112 EXCEL.EXE
1112 EXCEL.EXE
1112 EXCEL.EXE

pid	process
1112	EXCEL.EXE

pid	process
1112	EXCEL.EXE
1112	EXCEL.EXE
1112	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 1696	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1696	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1696	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1696	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1464	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1464	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1464	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1464	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1788	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1788	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1788	1112	EXCEL.EXE	cmd.exe
PID 1112 wrote to memory of 1788	1112	EXCEL.EXE	cmd.exe
PID 1696 wrote to memory of 1528	1696	cmd.exe	attrib.exe
PID 1696 wrote to memory of 1528	1696	cmd.exe	attrib.exe
PID 1696 wrote to memory of 1528	1696	cmd.exe	attrib.exe
PID 1696 wrote to memory of 1528	1696	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1528 attrib.exe

pid	process
1528	attrib.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\45dc9013197a06c850ec744b62752731f43e8be34a0333e47206a77482046571.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1528

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:1464

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:1788

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1112-54-0x000000002FE91000-0x000000002FE94000-memory.dmp

Filesize
12KB

Download
memory/1112-55-0x0000000071801000-0x0000000071803000-memory.dmp

Filesize
8KB

Download
memory/1112-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1112-57-0x00000000727ED000-0x00000000727F8000-memory.dmp

Filesize
44KB

Download
memory/1112-58-0x0000000076771000-0x0000000076773000-memory.dmp

Filesize
8KB

Download
memory/1112-217-0x00000000727ED000-0x00000000727F8000-memory.dmp

Filesize
44KB

Download
memory/1464-214-0x0000000000000000-mapping.dmp

Download
memory/1528-216-0x0000000000000000-mapping.dmp

Download
memory/1696-213-0x0000000000000000-mapping.dmp

Download
memory/1788-215-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads