0a3a6163a5e8e372fa96efbef3feb793463f4e39bd2c4d6ea03afce045f90636

General

Target

Document_1495694596-Copy.xls
Size

43KB
MD5

e758a4b1340fd50274edefd581cd8c52
SHA1

945f507232ddbe940e09ac69a4e8592aa55590ed
SHA256

4e2f37d4228e78faa1f34121ee934f58e1a9862ad6f183edf4c24e08cda20363
SHA512

3393143e4215b8cff172d7a4a79d6116667ebc0999ab3eea1656616375856a798e8b5caf4728deb4cae1ecef4e83405c145b8373dca6f101654470f525d4f269

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	924	596	rundll32.exe	EXCEL.EXE

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	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\E&xport to Microsoft Excel	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 (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\Se&nd to OneNote	EXCEL.EXE
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
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

596 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

596 EXCEL.EXE
596 EXCEL.EXE
596 EXCEL.EXE

pid	process
596	EXCEL.EXE

pid	process
596	EXCEL.EXE
596	EXCEL.EXE
596	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	EXCEL.EXE	rundll32.exe
PID 596 wrote to memory of 924	596	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\Document_1495694596-Copy.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\AppData\Kipofe.mmaallaauu,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:924

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\Kipofe.mmaallaauu
MD5
9c5328e73595b60e313d71e41ee9634a

SHA1
b3e2b75a8f80d0e28109a6b187b61fb990f17752

SHA256
4c9a1498b1ab24080747d92d83367ffeb42512f38330064bf81ef21d0e658cc7

SHA512
9a345ea4c1f323e5531738571e91f84a55279240462c02b459c8a27a83f062e71c95b4b00c2a7df2a86a1052654b36f8b43467c94dbac04fccf1428ea4cd1036

Download Submit
memory/924-3-0x0000000000000000-mapping.dmp

Download
memory/1416-2-0x000007FEF6010000-0x000007FEF628A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads