3d287b130ab864f68e617e1bf1579311e6c77cf563f653443436e5c100f50a5e

General

Target

3d287b130ab864f68e617e1bf1579311e6c77cf563f653443436e5c100f50a5e.xls
Size

196KB
MD5

b0206a3a0056fa66c212cea933ca734c
SHA1

e48f5ff1ad7470417a949efef0ece87fbb17fd42
SHA256

3d287b130ab864f68e617e1bf1579311e6c77cf563f653443436e5c100f50a5e
SHA512

d4784e007f94446274eb3d2dffc35d8aae0049de37c08829c07361a8d025f20444d7eccd5dfb8aa6943cc332fdbd8eb9c89318c6c600cd9bfb034f094ee2bd37
SSDEEP

3072:tX1FCd1FK5d/n5TUz8WVbrzA7ITk9njhJtXwa5kXI2a:BChK5BLOI

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	672	988	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1588	988	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	556	988	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\Toolbar	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
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE
988 EXCEL.EXE
988 EXCEL.EXE

pid	process
988	EXCEL.EXE

pid	process
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 988 wrote to memory of 672	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 672	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 672	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 672	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 1588	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 1588	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 1588	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 1588	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 556	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 556	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 556	988	EXCEL.EXE	cmd.exe
PID 988 wrote to memory of 556	988	EXCEL.EXE	cmd.exe
PID 672 wrote to memory of 1364	672	cmd.exe	attrib.exe
PID 672 wrote to memory of 1364	672	cmd.exe	attrib.exe
PID 672 wrote to memory of 1364	672	cmd.exe	attrib.exe
PID 672 wrote to memory of 1364	672	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1364 attrib.exe

pid	process
1364	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\3d287b130ab864f68e617e1bf1579311e6c77cf563f653443436e5c100f50a5e.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:988

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:672

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1364

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:1588

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:556

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

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Downloads

memory/556-222-0x0000000000000000-mapping.dmp

Download
memory/672-220-0x0000000000000000-mapping.dmp

Download
memory/988-54-0x000000002F611000-0x000000002F614000-memory.dmp

Filesize
12KB

Download
memory/988-55-0x00000000716D1000-0x00000000716D3000-memory.dmp

Filesize
8KB

Download
memory/988-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/988-57-0x00000000726BD000-0x00000000726C8000-memory.dmp

Filesize
44KB

Download
memory/988-58-0x00000000726BD000-0x00000000726C8000-memory.dmp

Filesize
44KB

Download
memory/988-59-0x00000000767C1000-0x00000000767C3000-memory.dmp

Filesize
8KB

Download
memory/988-224-0x00000000726BD000-0x00000000726C8000-memory.dmp

Filesize
44KB

Download
memory/1364-223-0x0000000000000000-mapping.dmp

Download
memory/1588-221-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads