6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2

General

Target

6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2.xls
Size

117KB
MD5

eb5f0f064d32ad225cc000b5569ad066
SHA1

2cbed9d606cb554d29b8328a30fae79e13bfe0a3
SHA256

6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2
SHA512

9bf111140c787f48285e4ba7cdc22c79d656160f3e895f11b233efc3956f4a49623a3f5c803ad5cb26a747260d5b0f5b3d4277eaff96bab58522bb91277abbfe
SSDEEP

3072:DPl6Nc7yRzs1H75wkZUgsQ6NqTBun5oSHi9WVbrzQ7ITk9ujhJtXwyEv4:7l6Nc7yRzs1H75wkZUgsQ6NqTBun5oS5

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	1768	1164	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1036	1164	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1612	1164	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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	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
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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
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\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

Processes:

EXCEL.EXE

pid process

1164 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1164 EXCEL.EXE
1164 EXCEL.EXE
1164 EXCEL.EXE

pid	process
1164	EXCEL.EXE

pid	process
1164	EXCEL.EXE
1164	EXCEL.EXE
1164	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1164 wrote to memory of 1768	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1768	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1768	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1768	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1036	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1036	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1036	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1036	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1612	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1612	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1612	1164	EXCEL.EXE	cmd.exe
PID 1164 wrote to memory of 1612	1164	EXCEL.EXE	cmd.exe
PID 1768 wrote to memory of 1368	1768	cmd.exe	attrib.exe
PID 1768 wrote to memory of 1368	1768	cmd.exe	attrib.exe
PID 1768 wrote to memory of 1368	1768	cmd.exe	attrib.exe
PID 1768 wrote to memory of 1368	1768	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1368 attrib.exe

pid	process
1368	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\6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164

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:1768

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1368

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:1036

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:1612

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/1036-220-0x0000000000000000-mapping.dmp

Download
memory/1164-54-0x000000002FEA1000-0x000000002FEA4000-memory.dmp

Filesize
12KB

Download
memory/1164-55-0x00000000718A1000-0x00000000718A3000-memory.dmp

Filesize
8KB

Download
memory/1164-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1164-57-0x000000007288D000-0x0000000072898000-memory.dmp

Filesize
44KB

Download
memory/1164-58-0x0000000076931000-0x0000000076933000-memory.dmp

Filesize
8KB

Download
memory/1164-223-0x000000007288D000-0x0000000072898000-memory.dmp

Filesize
44KB

Download
memory/1368-222-0x0000000000000000-mapping.dmp

Download
memory/1612-221-0x0000000000000000-mapping.dmp

Download
memory/1768-219-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads