6a874b617592c6d3c5b9c530850ee937f32c7cc5e1297b6285b973e3d845de65

General

Target

6a874b617592c6d3c5b9c530850ee937f32c7cc5e1297b6285b973e3d845de65.xls
Size

124KB
MD5

709ad57e7e2909440ca0372a78d86ce0
SHA1

284d0765a0cff72d3663a3f308ed1caced7fa1ea
SHA256

6a874b617592c6d3c5b9c530850ee937f32c7cc5e1297b6285b973e3d845de65
SHA512

e82039affb29d9fcff484590b8130aa1ffae9ffdb2807122a16676b116cc8f340458c24546a6bcf923257054bbd6eb535520ef49f1128d4c0723649cc39736d2
SSDEEP

1536:OSSSSWCXKy5xNW53brzQ7ITkk62G+f4u7cJtXwj1Mgwoh6wPpc:VM7WJbrzQ7ITkcuugJtXwZMgXc

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	1408	860	cmd.exe	26
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	628	860	cmd.exe	26
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1336	860	cmd.exe	26

Deletes itself 1 IoCs

pid	Process
860	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

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\C59D6000\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
860	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
860	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
860	EXCEL.EXE
860	EXCEL.EXE
860	EXCEL.EXE
860	EXCEL.EXE
860	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1408	860	EXCEL.EXE	27
PID 860 wrote to memory of 1408	860	EXCEL.EXE	27
PID 860 wrote to memory of 1408	860	EXCEL.EXE	27
PID 860 wrote to memory of 1408	860	EXCEL.EXE	27
PID 860 wrote to memory of 628	860	EXCEL.EXE	28
PID 860 wrote to memory of 628	860	EXCEL.EXE	28
PID 860 wrote to memory of 628	860	EXCEL.EXE	28
PID 860 wrote to memory of 628	860	EXCEL.EXE	28
PID 860 wrote to memory of 1336	860	EXCEL.EXE	32
PID 860 wrote to memory of 1336	860	EXCEL.EXE	32
PID 860 wrote to memory of 1336	860	EXCEL.EXE	32
PID 860 wrote to memory of 1336	860	EXCEL.EXE	32
PID 1408 wrote to memory of 844	1408	cmd.exe	31
PID 1408 wrote to memory of 844	1408	cmd.exe	31
PID 1408 wrote to memory of 844	1408	cmd.exe	31
PID 1408 wrote to memory of 844	1408	cmd.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
844	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\6a874b617592c6d3c5b9c530850ee937f32c7cc5e1297b6285b973e3d845de65.xls
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:860
- 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:1408
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:844
- 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:628
- 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:1336

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

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Downloads

memory/860-54-0x000000002F1E1000-0x000000002F1E4000-memory.dmp

Filesize
12KB

Download
memory/860-55-0x0000000070E71000-0x0000000070E73000-memory.dmp

Filesize
8KB

Download
memory/860-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/860-57-0x0000000071E5D000-0x0000000071E68000-memory.dmp

Filesize
44KB

Download
memory/860-58-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/860-223-0x0000000071E5D000-0x0000000071E68000-memory.dmp

Filesize
44KB

Download
memory/860-409-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/860-410-0x0000000071E5D000-0x0000000071E68000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads