b6430f1c70dd393e02aadb47cb51716844f13bc53dc5258887d6c257a01c5563

General

Target

SecuriteInfo.com.Heur.10624.9849.xlsm
Size

144KB
MD5

060d95988fc565133a252aadc91ea24f
SHA1

59a2f22c0c6622b2074f2fa59a1136b430aaffb3
SHA256

b6430f1c70dd393e02aadb47cb51716844f13bc53dc5258887d6c257a01c5563
SHA512

d178fac514d78d334271fe28ba0c92be8cbfbb4240ce1e725effb0458e28f259e3a2b6983e46f7a17e4fd1a862e9a99e8f1061983057e10dd2dc6f479782155f

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:

rundll32.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	1612	1200	rundll32.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1200 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1200 EXCEL.EXE
1200 EXCEL.EXE
1200 EXCEL.EXE

pid	process
1200	EXCEL.EXE

pid	process
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1612	1200	EXCEL.EXE	rundll32.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\SecuriteInfo.com.Heur.10624.9849.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\27894..dll" JsVarAddRef
2⤵
- Process spawned unexpected child process
PID:1612

Network

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

C:\Users\Admin\AppData\Roaming\27894..dll
MD5
df29e144de68ecae1a42a1afcfc67d95

SHA1
e48581793b86655d6fc4064c24a421d6e23ddcb3

SHA256
d4b8dc3bf6cebc6063b4eae92130c2f1b6e66b5a241745dc069277b710c6faac

SHA512
4e1826f0ecfc05fc549d621e6c9789769f72590ed986dd2bfbccef0f89b2e4ae128134ab6541c7f0e81faecc606b74bdf767d3f682af64ad3a52a67342596897

Download Submit
memory/1200-60-0x000000002F711000-0x000000002F714000-memory.dmp

Filesize
12KB

Download
memory/1200-61-0x0000000071AD1000-0x0000000071AD3000-memory.dmp

Filesize
8KB

Download
memory/1200-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1200-66-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1612-63-0x0000000000000000-mapping.dmp

Download
memory/1612-64-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads