e6a7b74210342e244a5a0d692e49d205fded4f2d75357785ad971a31767923d0

Analysis

max time kernel
146s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 19:17

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General

Target

e6a7b74210342e244a5a0d692e49d205fded4f2d75357785ad971a31767923d0.xls
Size

119KB
MD5

bc975b54fc42712a23b86c4f9cb072a3
SHA1

d19a838a3569ed2831248c2045b6d6f3b340442b
SHA256

e6a7b74210342e244a5a0d692e49d205fded4f2d75357785ad971a31767923d0
SHA512

4729ac1dac2a3547ed664fc5fa27dc3880f20285fcfae8a6fde6594c6302cabc119a869538bc1db904cc11c80085151af742ed6e0640a6d2241a32009bbffc47
SSDEEP

1536:UG666clXwWXbAI7cvwQq/B5ZJChyRfMZ95e+ejRBSWVbrzNKQsz7ITkR62lD5EeU:lx+NWVbrzcz7ITk9fEdJtXwY5kHGNv5

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	588	1184	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1812	1184	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	324	1184	cmd.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

1184 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

pid	process
1184	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-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\8C0C6000\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1184 EXCEL.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

EXCEL.EXE

pid process

1184 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1184 EXCEL.EXE
1184 EXCEL.EXE
1184 EXCEL.EXE
1184 EXCEL.EXE
1184 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\8C0C6000\:Zone.Identifier:$DATA	EXCEL.EXE

pid	process
1184	EXCEL.EXE

pid	process
1184	EXCEL.EXE

pid	process
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1184 wrote to memory of 588	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 588	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 588	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 588	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 1812	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 1812	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 1812	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 1812	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 324	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 324	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 324	1184	EXCEL.EXE	cmd.exe
PID 1184 wrote to memory of 324	1184	EXCEL.EXE	cmd.exe
PID 588 wrote to memory of 1536	588	cmd.exe	attrib.exe
PID 588 wrote to memory of 1536	588	cmd.exe	attrib.exe
PID 588 wrote to memory of 1536	588	cmd.exe	attrib.exe
PID 588 wrote to memory of 1536	588	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1536 attrib.exe

pid	process
1536	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\e6a7b74210342e244a5a0d692e49d205fded4f2d75357785ad971a31767923d0.xls
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1184
- 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:588
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1536
- 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:1812
- 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:324

Network

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

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Downloads

memory/324-222-0x0000000000000000-mapping.dmp

Download
memory/588-220-0x0000000000000000-mapping.dmp

Download
memory/1184-76-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-110-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-58-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/1184-59-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download
memory/1184-60-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-61-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-62-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-63-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-64-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-65-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-66-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-67-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-68-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-73-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-70-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-71-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-72-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-75-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-385-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download
memory/1184-57-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download
memory/1184-69-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-79-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-80-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-78-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-77-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-87-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-86-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-85-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-84-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-83-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-82-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-81-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-88-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-74-0x0000000000641000-0x000000000064B000-memory.dmp

Filesize
40KB

Download
memory/1184-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1184-54-0x000000002F041000-0x000000002F044000-memory.dmp

Filesize
12KB

Download
memory/1184-55-0x00000000719A1000-0x00000000719A3000-memory.dmp

Filesize
8KB

Download
memory/1536-223-0x0000000000000000-mapping.dmp

Download
memory/1812-221-0x0000000000000000-mapping.dmp

Download