07426bc5ff4f920ff5db93ecd5c1f2838334668a6eb11695a1978c0800cde2a3

General

Target

07426bc5ff4f920ff5db93ecd5c1f2838334668a6eb11695a1978c0800cde2a3.xls
Size

148KB
MD5

56e347aceab08789de86ffac61d16a9d
SHA1

8f9190883bcf6a30a1b16f921207f5337310ec81
SHA256

07426bc5ff4f920ff5db93ecd5c1f2838334668a6eb11695a1978c0800cde2a3
SHA512

1cb47f3c4923b708531393babb7181078d63fe3e7723559eca1f4c85d9f63fcad844bc4d89b3273e429093416384eda9ae39a322b01d63baa5f9b66ae389645c
SSDEEP

3072:h7l6Nc7yRzs1H75wkZUgsFaX+9PwRnmVgmeX22j5c0lbxOsrI3X1qid:ll6Nc7yRzs1H75wkZUgsFaX+9PwRnmVd

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	1120	1056	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	552	1056	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1060	1056	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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\3D6E6000\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\3D6E6000\:Zone.Identifier:$DATA	EXCEL.EXE

pid	process
1056	EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1056 wrote to memory of 1120	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1120	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1120	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1120	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 552	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 552	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 552	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 552	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1060	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1060	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1060	1056	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1060	1056	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 1732	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1732	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1732	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1732	1120	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1732 attrib.exe

pid	process
1732	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\07426bc5ff4f920ff5db93ecd5c1f2838334668a6eb11695a1978c0800cde2a3.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056

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:1120

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1732

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:552

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:1060

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/552-220-0x0000000000000000-mapping.dmp

Download
memory/1056-54-0x000000002FB41000-0x000000002FB44000-memory.dmp

Filesize
12KB

Download
memory/1056-55-0x00000000712E1000-0x00000000712E3000-memory.dmp

Filesize
8KB

Download
memory/1056-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1056-57-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/1056-58-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1056-383-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/1060-221-0x0000000000000000-mapping.dmp

Download
memory/1120-219-0x0000000000000000-mapping.dmp

Download
memory/1732-222-0x0000000000000000-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