c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b

General

Target

c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b.xls
Size

141KB
MD5

99316a73d5c6ac92cdfb661e6bc7599b
SHA1

008cf4db97ed11555a8961130ee7666a75ebc0c3
SHA256

c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b
SHA512

5cf7710491a9494699f5601680e41468242578e955f1609987e5cc821eef692e2e4ae9c0128e2eebefb13697eeebb47f73ad02faa61e78dbcb65104a360cae36

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	636	1904	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	744	1904	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1080	1904	cmd.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

1904 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

pid	process
1904	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\EE147F00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
1904 EXCEL.EXE
1904 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\EE147F00\:Zone.Identifier:$DATA	EXCEL.EXE

pid	process
1904	EXCEL.EXE

pid	process
1904	EXCEL.EXE

pid	process
1904	EXCEL.EXE
1904	EXCEL.EXE
1904	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1904 wrote to memory of 636	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 636	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 636	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 636	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 744	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 744	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 744	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 744	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1080	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1080	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1080	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1080	1904	EXCEL.EXE	cmd.exe
PID 636 wrote to memory of 1000	636	cmd.exe	attrib.exe
PID 636 wrote to memory of 1000	636	cmd.exe	attrib.exe
PID 636 wrote to memory of 1000	636	cmd.exe	attrib.exe
PID 636 wrote to memory of 1000	636	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1000 attrib.exe

pid	process
1000	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\c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b.xls
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904

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:636

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1000

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:744

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:1080

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/636-5-0x0000000000000000-mapping.dmp

Download
memory/744-6-0x0000000000000000-mapping.dmp

Download
memory/1000-8-0x0000000000000000-mapping.dmp

Download
memory/1080-7-0x0000000000000000-mapping.dmp

Download
memory/1904-2-0x000000002F6B1000-0x000000002F6B4000-memory.dmp

Filesize
12KB

Download
memory/1904-3-0x0000000071271000-0x0000000071273000-memory.dmp

Filesize
8KB

Download
memory/1904-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1904-9-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads