e7e6162eff6b68db926b197d0f4e1937d63807434b2cb97b412083f9ad405fa0

General

Target

e7e6162eff6b68db926b197d0f4e1937d63807434b2cb97b412083f9ad405fa0.xls
Size

141KB
MD5

377b29210ecd03fef40afbdffb3c03ba
SHA1

6922d16863906e2d6843e18a7a501b64c0474ab2
SHA256

e7e6162eff6b68db926b197d0f4e1937d63807434b2cb97b412083f9ad405fa0
SHA512

bbf6f14b32134500ffda0a1602e6233a02ecc409ba8e0659a066cefd973f331abab16e4520ab9c83413d8518f98b3384c14c964015285bff0f5b7b76980a8ad4
SSDEEP

3072:ubl6Nc7yRzs1H75wkZUgsQ6NqTBun5oq3Ke+U2jcc0lbxOrtRsLn:Ul6Nc7yRzs1H75wkZUgsQ6NqTBun5oqI

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	1824	2024	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1580	2024	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1436	2024	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (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
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
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 (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2024 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2024 EXCEL.EXE
2024 EXCEL.EXE
2024 EXCEL.EXE
2024 EXCEL.EXE
2024 EXCEL.EXE

pid	process
2024	EXCEL.EXE

pid	process
2024	EXCEL.EXE
2024	EXCEL.EXE
2024	EXCEL.EXE
2024	EXCEL.EXE
2024	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 1824	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1824	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1824	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1824	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1580	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1580	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1580	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1580	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1436	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1436	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1436	2024	EXCEL.EXE	cmd.exe
PID 2024 wrote to memory of 1436	2024	EXCEL.EXE	cmd.exe
PID 1824 wrote to memory of 1896	1824	cmd.exe	attrib.exe
PID 1824 wrote to memory of 1896	1824	cmd.exe	attrib.exe
PID 1824 wrote to memory of 1896	1824	cmd.exe	attrib.exe
PID 1824 wrote to memory of 1896	1824	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1896 attrib.exe

pid	process
1896	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\e7e6162eff6b68db926b197d0f4e1937d63807434b2cb97b412083f9ad405fa0.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024

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:1824

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1896

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:1580

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:1436

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/1436-221-0x0000000000000000-mapping.dmp

Download
memory/1580-220-0x0000000000000000-mapping.dmp

Download
memory/1824-219-0x0000000000000000-mapping.dmp

Download
memory/1896-222-0x0000000000000000-mapping.dmp

Download
memory/2024-54-0x000000002FA11000-0x000000002FA14000-memory.dmp

Filesize
12KB

Download
memory/2024-55-0x0000000071C41000-0x0000000071C43000-memory.dmp

Filesize
8KB

Download
memory/2024-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2024-57-0x0000000072C2D000-0x0000000072C38000-memory.dmp

Filesize
44KB

Download
memory/2024-58-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/2024-383-0x0000000072C2D000-0x0000000072C38000-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