1843374f535f9ffa7c10df2555d37564e92a346235f74eedf3bbc13d505b0755

General

Target

ffdfa39929f46eed536c24a6dfa4782e.xls
Size

105KB
MD5

ffdfa39929f46eed536c24a6dfa4782e
SHA1

9fd326568b54de228d7c4a7af5556776c5ec8199
SHA256

1843374f535f9ffa7c10df2555d37564e92a346235f74eedf3bbc13d505b0755
SHA512

4d4f47c206e29314e919b3b033d27ebec38743c805153c1c5dbd7cc1f45a8cfdab4f830f214e9cb351a71065a2b79321963f517dbb9a21f6e98508b5fb578dbc
SSDEEP

3072:kIk3hOdsylKlgryzc4bNhZFGzE+cL2knR/2jcc0lbxOGrJtXwyyOK8KxyT:Vk3hOdsylKlgryzc4bNhZF+E+W2knR0

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	972	1448	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1616	1448	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	700	1448	cmd.exe	27

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

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

description	ioc	Process
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
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
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\Se&nd to OneNote	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1448	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 972	1448	EXCEL.EXE	28
PID 1448 wrote to memory of 972	1448	EXCEL.EXE	28
PID 1448 wrote to memory of 972	1448	EXCEL.EXE	28
PID 1448 wrote to memory of 972	1448	EXCEL.EXE	28
PID 1448 wrote to memory of 1616	1448	EXCEL.EXE	30
PID 1448 wrote to memory of 1616	1448	EXCEL.EXE	30
PID 1448 wrote to memory of 1616	1448	EXCEL.EXE	30
PID 1448 wrote to memory of 1616	1448	EXCEL.EXE	30
PID 1448 wrote to memory of 700	1448	EXCEL.EXE	31
PID 1448 wrote to memory of 700	1448	EXCEL.EXE	31
PID 1448 wrote to memory of 700	1448	EXCEL.EXE	31
PID 1448 wrote to memory of 700	1448	EXCEL.EXE	31
PID 972 wrote to memory of 1100	972	cmd.exe	34
PID 972 wrote to memory of 1100	972	cmd.exe	34
PID 972 wrote to memory of 1100	972	cmd.exe	34
PID 972 wrote to memory of 1100	972	cmd.exe	34

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1100	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\ffdfa39929f46eed536c24a6dfa4782e.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:1448
- 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:972
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1100
- 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:1616
- 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:700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1448-73-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-76-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-59-0x000000006C161000-0x000000006C163000-memory.dmp

Filesize
8KB

Download
memory/1448-62-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-61-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-78-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-63-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-64-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-66-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-65-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-67-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-68-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-70-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-69-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-71-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-72-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-74-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-54-0x000000002F541000-0x000000002F544000-memory.dmp

Filesize
12KB

Download
memory/1448-58-0x0000000075441000-0x0000000075443000-memory.dmp

Filesize
8KB

Download
memory/1448-75-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-60-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-77-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-79-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-80-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-81-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-82-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-83-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-86-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-85-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-87-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-84-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-88-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-110-0x000000000064A000-0x0000000000655000-memory.dmp

Filesize
44KB

Download
memory/1448-55-0x0000000070E01000-0x0000000070E03000-memory.dmp

Filesize
8KB

Download
memory/1448-57-0x0000000071DED000-0x0000000071DF8000-memory.dmp

Filesize
44KB

Download
memory/1448-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads