b6a7c9b81734f4fa88724fe7f64454535f692d3fe005e329da6715b51c29fab5

General

Target

b6a7c9b81734f4fa88724fe7f64454535f692d3fe005e329da6715b51c29fab5.xls
Size

148KB
MD5

180d4e22d8657c7c0b1aca0eaf012d7c
SHA1

eebc8152b44b924624a461d1c6e666bf05680762
SHA256

b6a7c9b81734f4fa88724fe7f64454535f692d3fe005e329da6715b51c29fab5
SHA512

39f7b019140b93a286ea515d9ad24a113ab9a78cec2ea935947153555058fdb8c1044ba839f36037aa4b1d43437be6c20bfda0c1e6ea7d7abab40acc6c0d40f4
SSDEEP

1536:lgggg6YGVtLe53PnG0K9LQU385aiUCXT5mDRJKY2RLwvwN2jcc0lbxOvTgZMkI/S:2e53PnhYL82jcc0lbxOrYIEJtXwgf

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	892	940	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1284	940	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1544	940	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\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
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
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\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

940 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

940 EXCEL.EXE
940 EXCEL.EXE
940 EXCEL.EXE

pid	process
940	EXCEL.EXE

pid	process
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 940 wrote to memory of 892	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 892	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 892	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 892	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1284	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1284	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1284	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1284	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1544	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1544	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1544	940	EXCEL.EXE	cmd.exe
PID 940 wrote to memory of 1544	940	EXCEL.EXE	cmd.exe
PID 892 wrote to memory of 1940	892	cmd.exe	attrib.exe
PID 892 wrote to memory of 1940	892	cmd.exe	attrib.exe
PID 892 wrote to memory of 1940	892	cmd.exe	attrib.exe
PID 892 wrote to memory of 1940	892	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1940 attrib.exe

pid	process
1940	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\b6a7c9b81734f4fa88724fe7f64454535f692d3fe005e329da6715b51c29fab5.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:940

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:892

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1940

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:1284

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:1544

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/892-219-0x0000000000000000-mapping.dmp

Download
memory/940-74-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-65-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-76-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-58-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/940-59-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-61-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-60-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-77-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-64-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-63-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-62-0x000000000075C000-0x0000000000762000-memory.dmp

Filesize
24KB

Download
memory/940-66-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-75-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-69-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-68-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-70-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-71-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-73-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-72-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-54-0x000000002F7F1000-0x000000002F7F4000-memory.dmp

Filesize
12KB

Download
memory/940-67-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/940-57-0x000000007211D000-0x0000000072128000-memory.dmp

Filesize
44KB

Download
memory/940-78-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-79-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-81-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-80-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-82-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-83-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-84-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-86-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-85-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-87-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-109-0x0000000000762000-0x0000000000766000-memory.dmp

Filesize
16KB

Download
memory/940-55-0x0000000071131000-0x0000000071133000-memory.dmp

Filesize
8KB

Download
memory/940-386-0x000000007211D000-0x0000000072128000-memory.dmp

Filesize
44KB

Download
memory/940-385-0x0000000000762000-0x0000000000764000-memory.dmp

Filesize
8KB

Download
memory/940-268-0x0000000000762000-0x0000000000764000-memory.dmp

Filesize
8KB

Download
memory/940-223-0x0000000000762000-0x0000000000764000-memory.dmp

Filesize
8KB

Download
memory/1284-220-0x0000000000000000-mapping.dmp

Download
memory/1544-221-0x0000000000000000-mapping.dmp

Download
memory/1940-222-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads