b10a6be4568ec1330359c9d803d45f846f346a2bff42f854461874cd34dbe9de

General

Target

b10a6be4568ec1330359c9d803d45f846f346a2bff42f854461874cd34dbe9de.xls
Size

102KB
MD5

71328b6f585f9031135ba4ced98fd576
SHA1

a8b9f4b56ea9142560b1c50697d3588f14564efb
SHA256

b10a6be4568ec1330359c9d803d45f846f346a2bff42f854461874cd34dbe9de
SHA512

1de1f4d43deb460c63751cd58c3e61848569fc12f9c23ff0100bc985ef76c5b7e32a4bcc608f07bf5eb07d1876af6d82453c9101af8702ad7525653cb40229c2
SSDEEP

3072:bTQn6v7yZmspH7+7alMisPI4ukoRWGNTxfAxo2jcc0lbxOrLHDJtXwvd:vQn6v7yZmspH7+7alMisPI4ukoRWGNTB

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	924	1380	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1720	1380	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1864	1380	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
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\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
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
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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1380 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

1380 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1380 EXCEL.EXE
1380 EXCEL.EXE
1380 EXCEL.EXE

pid	process
1380	EXCEL.EXE

pid	process
1380	EXCEL.EXE

pid	process
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1380 wrote to memory of 1156	1380	EXCEL.EXE	splwow64.exe
PID 1380 wrote to memory of 1156	1380	EXCEL.EXE	splwow64.exe
PID 1380 wrote to memory of 1156	1380	EXCEL.EXE	splwow64.exe
PID 1380 wrote to memory of 1156	1380	EXCEL.EXE	splwow64.exe
PID 1380 wrote to memory of 924	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 924	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 924	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 924	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1720	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1720	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1720	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1720	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1864	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1864	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1864	1380	EXCEL.EXE	cmd.exe
PID 1380 wrote to memory of 1864	1380	EXCEL.EXE	cmd.exe
PID 924 wrote to memory of 1220	924	cmd.exe	attrib.exe
PID 924 wrote to memory of 1220	924	cmd.exe	attrib.exe
PID 924 wrote to memory of 1220	924	cmd.exe	attrib.exe
PID 924 wrote to memory of 1220	924	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1220 attrib.exe

pid	process
1220	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\b10a6be4568ec1330359c9d803d45f846f346a2bff42f854461874cd34dbe9de.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1156

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:924

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1220

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:1720

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:1864

Network

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/924-223-0x0000000000000000-mapping.dmp

Download
memory/1156-59-0x0000000000000000-mapping.dmp

Download
memory/1156-60-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download
memory/1220-226-0x0000000000000000-mapping.dmp

Download
memory/1380-54-0x000000002F691000-0x000000002F694000-memory.dmp

Filesize
12KB

Download
memory/1380-58-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/1380-202-0x0000000005670000-0x0000000005770000-memory.dmp

Filesize
1024KB

Download
memory/1380-61-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-62-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-63-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-64-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-57-0x000000007225D000-0x0000000072268000-memory.dmp

Filesize
44KB

Download
memory/1380-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1380-66-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-204-0x0000000005670000-0x0000000005770000-memory.dmp

Filesize
1024KB

Download
memory/1380-55-0x0000000071271000-0x0000000071273000-memory.dmp

Filesize
8KB

Download
memory/1380-229-0x0000000005670000-0x0000000005770000-memory.dmp

Filesize
1024KB

Download
memory/1380-228-0x0000000005670000-0x0000000005770000-memory.dmp

Filesize
1024KB

Download
memory/1380-65-0x00000000005CA000-0x00000000005D3000-memory.dmp

Filesize
36KB

Download
memory/1380-227-0x000000007225D000-0x0000000072268000-memory.dmp

Filesize
44KB

Download
memory/1720-224-0x0000000000000000-mapping.dmp

Download
memory/1864-225-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads