6c92ed33934d5a604f57aac4ff33252720354285291791bed88b6f3f15b9631d

General

Target

Marine Tiger.xlsm
Size

13KB
MD5

18d6c58d438aa199c43cec6503ae2a6c
SHA1

f2dbad3686195f07db9bac1aa7eba45120069ded
SHA256

6c92ed33934d5a604f57aac4ff33252720354285291791bed88b6f3f15b9631d
SHA512

2a0c139a909810abbeea86258c7fa4960b6eb2893e8203a0f5815a080070062957a7aa7ccfc27bd3ef5129c31c03c28139b9e05d2284d52b9f89ec15752c1621

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.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	1736	1684	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-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
1684 EXCEL.EXE
1684 EXCEL.EXE

pid	process
1684	EXCEL.EXE

pid	process
1684	EXCEL.EXE
1684	EXCEL.EXE
1684	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1684 wrote to memory of 1736	1684	EXCEL.EXE	cmd.exe
PID 1684 wrote to memory of 1736	1684	EXCEL.EXE	cmd.exe
PID 1684 wrote to memory of 1736	1684	EXCEL.EXE	cmd.exe
PID 1684 wrote to memory of 1736	1684	EXCEL.EXE	cmd.exe
PID 1736 wrote to memory of 1696	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1696	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1696	1736	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1696	1736	cmd.exe	schtasks.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\Marine Tiger.xlsm"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\schtasks.exe
schtasks /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I
3⤵
PID:1696

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/1684-2-0x000000002FBD1000-0x000000002FBD4000-memory.dmp

Filesize
12KB

Download
memory/1684-3-0x0000000071AC1000-0x0000000071AC3000-memory.dmp

Filesize
8KB

Download
memory/1684-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1696-6-0x0000000000000000-mapping.dmp

Download
memory/1736-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads