d6392b1904c96acaf30b5d03dc12fab67a47e373bb1c4daf604e05cc668d411e

General

Target

d6392b1904c96acaf30b5d03dc12fab67a47e373bb1c4daf604e05cc668d411e.xls
Size

252KB
MD5

0aa5bdf430dfe3128a02cb11e4cfe86f
SHA1

a348c380dc7362694bdc713baf3af41a9122a92e
SHA256

d6392b1904c96acaf30b5d03dc12fab67a47e373bb1c4daf604e05cc668d411e
SHA512

de425b4b574c6c9ba264f44c471720f3dc1c63cba2e329875b16e31185cc07a2a44d1c8bc9dbedc06eba5fc18389231bdd2c4db9a08c6327336dd4534fe72acb
SSDEEP

3072:4zKj/FwBN4gI1XVFJGLBrWVbrz4yR37ITkZEFfX1qiSAk:RzRGNtyRs1g

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	1876	2008	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	808	2008	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1568	2008	cmd.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

2008 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

pid	process
2008	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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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
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
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	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\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\D38E6000\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
2008 EXCEL.EXE
2008 EXCEL.EXE
2008 EXCEL.EXE
2008 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\D38E6000\:Zone.Identifier:$DATA	EXCEL.EXE

pid	process
2008	EXCEL.EXE

pid	process
2008	EXCEL.EXE

pid	process
2008	EXCEL.EXE
2008	EXCEL.EXE
2008	EXCEL.EXE
2008	EXCEL.EXE
2008	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2008 wrote to memory of 1876	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1876	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1876	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1876	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 808	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 808	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 808	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 808	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1568	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1568	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1568	2008	EXCEL.EXE	cmd.exe
PID 2008 wrote to memory of 1568	2008	EXCEL.EXE	cmd.exe
PID 1876 wrote to memory of 1484	1876	cmd.exe	attrib.exe
PID 1876 wrote to memory of 1484	1876	cmd.exe	attrib.exe
PID 1876 wrote to memory of 1484	1876	cmd.exe	attrib.exe
PID 1876 wrote to memory of 1484	1876	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1484 attrib.exe

pid	process
1484	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\d6392b1904c96acaf30b5d03dc12fab67a47e373bb1c4daf604e05cc668d411e.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:2008

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:1876

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1484

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:808

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:1568

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

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Downloads

memory/808-220-0x0000000000000000-mapping.dmp

Download
memory/1484-222-0x0000000000000000-mapping.dmp

Download
memory/1568-221-0x0000000000000000-mapping.dmp

Download
memory/1876-219-0x0000000000000000-mapping.dmp

Download
memory/2008-54-0x000000002F411000-0x000000002F414000-memory.dmp

Filesize
12KB

Download
memory/2008-55-0x0000000071851000-0x0000000071853000-memory.dmp

Filesize
8KB

Download
memory/2008-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2008-57-0x000000007283D000-0x0000000072848000-memory.dmp

Filesize
44KB

Download
memory/2008-58-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/2008-408-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2008-409-0x000000007283D000-0x0000000072848000-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