ce0f03fcee0d0cddba35b3053ea5d24ba14ed57d8112a508546fe4d3d9d3c0e2

General

Target

SecuriteInfo.com.Heur.6720.4038.xlsm
Size

164KB
MD5

0d078f062bf55f9731c74ad03c8b7e7d
SHA1

efc993ad607de2d59e58821f8b762e7c89a7acb9
SHA256

ce0f03fcee0d0cddba35b3053ea5d24ba14ed57d8112a508546fe4d3d9d3c0e2
SHA512

2493c4754243597d13068d651a07dba57f34e0604f4c95c3ea68163f0967dfd15dac95e41fcb3c8f29fd7c545b5665d951aaffd2a42c3c1307f7e1115fc014bb

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	520	1736	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1736 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1736 EXCEL.EXE
1736 EXCEL.EXE
1736 EXCEL.EXE
1736 EXCEL.EXE
1736 EXCEL.EXE

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1736	EXCEL.EXE

pid	process
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	EXCEL.EXE	rundll32.exe
PID 1736 wrote to memory of 520	1736	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.6720.4038.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\64433..dll" JsVarAddRef
2⤵
- Process spawned unexpected child process
PID:520

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\64433..dll
MD5
fc46dad5c5cbc12ca5c4d0c5526a21a7

SHA1
8b46ae6d67b62d5f86c89c9f2d100e9f1a3048fd

SHA256
09afb982d1a00be9e7690fbb3661ac11bd41073d43d3212fd3cd8587abdd92cd

SHA512
d79add48cc208348428e0cef09541f01c9dbd2889a8067396eff6c0cfeffe34bdd9fe5711c4324c810d5ad208a114052013fba5fecc5521a64261b772059b826

Download Submit
memory/520-63-0x0000000000000000-mapping.dmp

Download
memory/520-64-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Filesize
8KB

Download
memory/1736-60-0x000000002FA71000-0x000000002FA74000-memory.dmp

Filesize
12KB

Download
memory/1736-61-0x0000000071351000-0x0000000071353000-memory.dmp

Filesize
8KB

Download
memory/1736-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1736-66-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads