c3976d6eb9247f532bb1cc264f248c3f3f9f2d6cbcd18f88c0944ca6cb9f7c2b

General

Target

c3976d6eb9247f532bb1cc264f248c3f3f9f2d6cbcd18f88c0944ca6cb9f7c2b.xls
Size

220KB
MD5

33e995e62456abe5a30086c03d683548
SHA1

d217b9433ecdba83bdfc5dbfc9d5652f2ce2c642
SHA256

c3976d6eb9247f532bb1cc264f248c3f3f9f2d6cbcd18f88c0944ca6cb9f7c2b
SHA512

f8d7cafcd1ec83c281097a9b6e2c8267a603517d7259c4f8db421b2af2e2f97805557c39ae1a5f903d2f327b733197d27380cc0c842f0aaa7f8e498819c00e41
SSDEEP

3072:mHRO0a3dRW6RSx7dOpnmZWVbrzQ7ITSnZQjua5t:yRuW6Rgd

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	1548	1988	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	396	1988	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	544	1988	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
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	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\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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
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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE
1988 EXCEL.EXE
1988 EXCEL.EXE

pid	process
1988	EXCEL.EXE

pid	process
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1988 wrote to memory of 1548	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 1548	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 1548	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 1548	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 544	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 544	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 544	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 544	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 396	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 396	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 396	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 396	1988	EXCEL.EXE	cmd.exe
PID 1548 wrote to memory of 1032	1548	cmd.exe	attrib.exe
PID 1548 wrote to memory of 1032	1548	cmd.exe	attrib.exe
PID 1548 wrote to memory of 1032	1548	cmd.exe	attrib.exe
PID 1548 wrote to memory of 1032	1548	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1032 attrib.exe

pid	process
1032	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\c3976d6eb9247f532bb1cc264f248c3f3f9f2d6cbcd18f88c0944ca6cb9f7c2b.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988

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:1548

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1032

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:396

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:544

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/396-221-0x0000000000000000-mapping.dmp

Download
memory/544-220-0x0000000000000000-mapping.dmp

Download
memory/1032-222-0x0000000000000000-mapping.dmp

Download
memory/1548-219-0x0000000000000000-mapping.dmp

Download
memory/1988-84-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-223-0x000000007287D000-0x0000000072888000-memory.dmp

Filesize
44KB

Download
memory/1988-60-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-82-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-64-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-63-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-62-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-65-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-66-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-67-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-68-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-69-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-70-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-71-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-72-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-85-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-54-0x000000002F961000-0x000000002F964000-memory.dmp

Filesize
12KB

Download
memory/1988-83-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-61-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-59-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-80-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-86-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-79-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-78-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-77-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-76-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-75-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-74-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-73-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-87-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-109-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-58-0x0000000076651000-0x0000000076653000-memory.dmp

Filesize
8KB

Download
memory/1988-57-0x000000007287D000-0x0000000072888000-memory.dmp

Filesize
44KB

Download
memory/1988-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1988-55-0x0000000071891000-0x0000000071893000-memory.dmp

Filesize
8KB

Download
memory/1988-81-0x0000000000742000-0x0000000000746000-memory.dmp

Filesize
16KB

Download
memory/1988-384-0x000000007287D000-0x0000000072888000-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