f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b

General

Target

f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.xls
Size

89KB
MD5

1fb93e8b0fb510e1ca5cc4957df7f85a
SHA1

fa266a03f00b540fa236b21120408e70c6d8dc37
SHA256

f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b
SHA512

7d150ff6318353cba3382879e06c3caa406770af21e5e4f06f567ee3a14dcf2d2e654ea8d3bd6edc4b56999a291907ac05420cda15642f4f5b33804124b60cf0
SSDEEP

1536:9gggM4IY73+WVbrzQ7IyBTCkbA23QM88hOX13WP2Go:LlWVbrzQ7IBkZZj4X13iTo

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	1416	1892	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1828	1892	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	768	1892	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\Toolbar\ShowDiscussionButton = "Yes"	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\E&xport to Microsoft Excel\Contexts = "1"	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\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	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

1892 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE

pid	process
1892	EXCEL.EXE

pid	process
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1892 wrote to memory of 1416	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1416	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1416	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1416	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1828	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1828	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1828	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 1828	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 768	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 768	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 768	1892	EXCEL.EXE	cmd.exe
PID 1892 wrote to memory of 768	1892	EXCEL.EXE	cmd.exe
PID 1416 wrote to memory of 1016	1416	cmd.exe	attrib.exe
PID 1416 wrote to memory of 1016	1416	cmd.exe	attrib.exe
PID 1416 wrote to memory of 1016	1416	cmd.exe	attrib.exe
PID 1416 wrote to memory of 1016	1416	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1016 attrib.exe

pid	process
1016	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\f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892

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:1416

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1016

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:1828

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:768

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/768-221-0x0000000000000000-mapping.dmp

Download
memory/1016-222-0x0000000000000000-mapping.dmp

Download
memory/1416-219-0x0000000000000000-mapping.dmp

Download
memory/1828-220-0x0000000000000000-mapping.dmp

Download
memory/1892-75-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-61-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-54-0x000000002F541000-0x000000002F544000-memory.dmp

Filesize
12KB

Download
memory/1892-74-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-71-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-84-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-85-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-86-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-83-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-82-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-81-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-80-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-79-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-78-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-77-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-76-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-59-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-73-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-60-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-72-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-70-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-69-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-68-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-67-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-66-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-65-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-64-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-63-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-62-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-87-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-109-0x0000000000623000-0x0000000000629000-memory.dmp

Filesize
24KB

Download
memory/1892-58-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1892-57-0x0000000071FCD000-0x0000000071FD8000-memory.dmp

Filesize
44KB

Download
memory/1892-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1892-55-0x0000000070FE1000-0x0000000070FE3000-memory.dmp

Filesize
8KB

Download
memory/1892-223-0x0000000071FCD000-0x0000000071FD8000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads