a95de40a4186a1ca2d8133a297df6986cc5237113fe4547d5fa9e96818e6203a

General

Target

a95de40a4186a1ca2d8133a297df6986cc5237113fe4547d5fa9e96818e6203a.xls
Size

92KB
MD5

ea29b0a3a0c9f6fcf5d86f129893b504
SHA1

761793e49cd694cd7c30d1ce166fd6791cddf67d
SHA256

a95de40a4186a1ca2d8133a297df6986cc5237113fe4547d5fa9e96818e6203a
SHA512

080511bed324aca266ba924a2a56ebe372b299f74573081f0efc90196f4a52fe63e244ac1a1ef88fba20a0648cba610426fd87747d6127b2dba998ec728092cd
SSDEEP

1536:gFFFFpX0t6n53/9v64daUl5n2jcc0lbxOvTgZFcfraWWt2XKBriwNM3b:kb2jcc0lbxOrLjbadicM3b

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	1072	1156	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1956	1156	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	564	1156	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
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\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
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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\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\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1156	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1156	EXCEL.EXE
1156	EXCEL.EXE
1156	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1072	1156	EXCEL.EXE	28
PID 1156 wrote to memory of 1072	1156	EXCEL.EXE	28
PID 1156 wrote to memory of 1072	1156	EXCEL.EXE	28
PID 1156 wrote to memory of 1072	1156	EXCEL.EXE	28
PID 1156 wrote to memory of 1956	1156	EXCEL.EXE	30
PID 1156 wrote to memory of 1956	1156	EXCEL.EXE	30
PID 1156 wrote to memory of 1956	1156	EXCEL.EXE	30
PID 1156 wrote to memory of 1956	1156	EXCEL.EXE	30
PID 1156 wrote to memory of 564	1156	EXCEL.EXE	31
PID 1156 wrote to memory of 564	1156	EXCEL.EXE	31
PID 1156 wrote to memory of 564	1156	EXCEL.EXE	31
PID 1156 wrote to memory of 564	1156	EXCEL.EXE	31
PID 1072 wrote to memory of 1664	1072	cmd.exe	34
PID 1072 wrote to memory of 1664	1072	cmd.exe	34
PID 1072 wrote to memory of 1664	1072	cmd.exe	34
PID 1072 wrote to memory of 1664	1072	cmd.exe	34

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1664	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\a95de40a4186a1ca2d8133a297df6986cc5237113fe4547d5fa9e96818e6203a.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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:1072
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1664
- 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:1956
- 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:564

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

Loading Replay Monitor...

Downloads

memory/1156-54-0x000000002F841000-0x000000002F844000-memory.dmp

Filesize
12KB

Download
memory/1156-55-0x0000000070EE1000-0x0000000070EE3000-memory.dmp

Filesize
8KB

Download
memory/1156-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1156-57-0x0000000071ECD000-0x0000000071ED8000-memory.dmp

Filesize
44KB

Download
memory/1156-58-0x0000000075671000-0x0000000075673000-memory.dmp

Filesize
8KB

Download
memory/1156-223-0x0000000071ECD000-0x0000000071ED8000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads