9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf

General

Target

9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf.xls
Size

105KB
MD5

1260cf813e56666f5fc5dea49e378150
SHA1

2715dfe2ec5c0e206ed4e7759b7fc2c691918710
SHA256

9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf
SHA512

e071175f2ddae5492a60a89a5d4577c894cb9add044dfd192cbf1f2e8425e873ca5d387715f8c24336077e56e262ff86ea7034bbc6bec181f0edbc5f2a533eea
SSDEEP

1536:wOOOMKKuOvzLal6yErOaJgpKmBZ958js1aWVbrzQ7IJukiD2YQ1UcJtXw+60lOTY:5SWVbrzQ7IIkD7XJtXwf

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4020	1752	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1556	1752	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2876	1752	cmd.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\94E65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1752 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\94E65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 4020	1752	EXCEL.EXE	cmd.exe
PID 1752 wrote to memory of 4020	1752	EXCEL.EXE	cmd.exe
PID 1752 wrote to memory of 2876	1752	EXCEL.EXE	cmd.exe
PID 1752 wrote to memory of 2876	1752	EXCEL.EXE	cmd.exe
PID 1752 wrote to memory of 1556	1752	EXCEL.EXE	cmd.exe
PID 1752 wrote to memory of 1556	1752	EXCEL.EXE	cmd.exe
PID 4020 wrote to memory of 3076	4020	cmd.exe	attrib.exe
PID 4020 wrote to memory of 3076	4020	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3076 attrib.exe

pid	process
3076	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\system32\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:4020

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3076

C:\Windows\system32\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:1556

C:\Windows\system32\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:2876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1556-142-0x0000000000000000-mapping.dmp

Download
memory/1752-144-0x00000179A4410000-0x00000179A4412000-memory.dmp

Filesize
8KB

Download
memory/1752-147-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-135-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-136-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-149-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-138-0x00007FF99E140000-0x00007FF99E150000-memory.dmp

Filesize
64KB

Download
memory/1752-134-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-139-0x00000179A4410000-0x00000179A4412000-memory.dmp

Filesize
8KB

Download
memory/1752-137-0x00007FF99E140000-0x00007FF99E150000-memory.dmp

Filesize
64KB

Download
memory/1752-133-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-148-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-132-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/1752-146-0x00007FF9A0410000-0x00007FF9A0420000-memory.dmp

Filesize
64KB

Download
memory/2876-141-0x0000000000000000-mapping.dmp

Download
memory/3076-143-0x0000000000000000-mapping.dmp

Download
memory/4020-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads