735f4e4a46c441adc84d100d11eeeeca0de9ff4e1b50f3f957652e64f6b0e411

Analysis

max time kernel
144s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 14:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

K1-3K2-2ؿбļ/02.ļ/01./4.�.xls
Size

109KB
MD5

60c38b854d589f183efb61a4a35417c8
SHA1

9eef3058c4293e6d38e06b284b8438e6bac73996
SHA256

c827c06b8d0656a0885398577a150e3e9a5a34aa8d7902693f599e13638c4d4d
SHA512

07a9f4f0d8fb84aa536c4c31038367f53539ba026a621f184889f5bfa9620ee4553b595204517be0724b2563792e4c44ec46ff23f0dba550a078aa543e415e21
SSDEEP

3072:MrQn6v7yZmspH7+7alMisPI4ukoRWGNgrG2AEWVbrzr6B7ITkPSyww33XjUJtXw+:CQn6v7yZmspH7+7alMisPI4ukoRWGNgk

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	1632	536	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1976	536	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1464	536	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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
536 EXCEL.EXE
536 EXCEL.EXE

pid	process
536	EXCEL.EXE

pid	process
536	EXCEL.EXE

pid	process
536	EXCEL.EXE
536	EXCEL.EXE
536	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 536 wrote to memory of 1652	536	EXCEL.EXE	splwow64.exe
PID 536 wrote to memory of 1652	536	EXCEL.EXE	splwow64.exe
PID 536 wrote to memory of 1652	536	EXCEL.EXE	splwow64.exe
PID 536 wrote to memory of 1652	536	EXCEL.EXE	splwow64.exe
PID 536 wrote to memory of 1632	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1632	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1632	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1632	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1976	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1976	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1976	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1976	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1464	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1464	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1464	536	EXCEL.EXE	cmd.exe
PID 536 wrote to memory of 1464	536	EXCEL.EXE	cmd.exe
PID 1632 wrote to memory of 2040	1632	cmd.exe	attrib.exe
PID 1632 wrote to memory of 2040	1632	cmd.exe	attrib.exe
PID 1632 wrote to memory of 2040	1632	cmd.exe	attrib.exe
PID 1632 wrote to memory of 2040	1632	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2040 attrib.exe

pid	process
2040	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\K1-3K2-2ؿбļ\02.ļ\01.\4.�.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1652

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:1632

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:2040

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:1976

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:1464

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/536-270-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-62-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/536-57-0x000000007295D000-0x0000000072968000-memory.dmp

Filesize
44KB

Download
memory/536-58-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/536-64-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-55-0x0000000071971000-0x0000000071973000-memory.dmp

Filesize
8KB

Download
memory/536-61-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-63-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-272-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-385-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-383-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-384-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-271-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-66-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-54-0x000000002F631000-0x000000002F634000-memory.dmp

Filesize
12KB

Download
memory/536-65-0x00000000006CF000-0x00000000006D2000-memory.dmp

Filesize
12KB

Download
memory/536-225-0x000000007295D000-0x0000000072968000-memory.dmp

Filesize
44KB

Download
memory/1464-223-0x0000000000000000-mapping.dmp

Download
memory/1632-221-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

Filesize
8KB

Download
memory/1652-59-0x0000000000000000-mapping.dmp

Download
memory/1976-222-0x0000000000000000-mapping.dmp

Download
memory/2040-224-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads