0dc23c2f8a57268da4e0839394003dffe703e889b4013be45f401621789a75d8

General

Target

0dc23c2f8a57268da4e0839394003dffe703e889b4013be45f401621789a75d8.xls
Size

208KB
MD5

ff67f986418caf6c865cf41899dbf590
SHA1

e14d21cc8aea805515dacedeba58ce9fa1303889
SHA256

0dc23c2f8a57268da4e0839394003dffe703e889b4013be45f401621789a75d8
SHA512

0d208f4460988054c90804ae2b8cbb7e6569c5c457432ba360eddab262a0a22c400d7fd134fba0c03ef9fb077dee030989a15f64f137f094b5cc75c706b64dc5
SSDEEP

3072:KsBOlWzB93OrUAiLPrcsUBbXOwICJHE0Bc+lPOvy3Ga2jcc0lbxOK92AJtXwZz:ZBvzB93OxOwICZEQPOvec2

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	2060	3044	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4596	3044	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5116	3044	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\CC775E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3044 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\CC775E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE
3044	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3044 wrote to memory of 220	3044	EXCEL.EXE	splwow64.exe
PID 3044 wrote to memory of 220	3044	EXCEL.EXE	splwow64.exe
PID 3044 wrote to memory of 2060	3044	EXCEL.EXE	cmd.exe
PID 3044 wrote to memory of 2060	3044	EXCEL.EXE	cmd.exe
PID 3044 wrote to memory of 4596	3044	EXCEL.EXE	cmd.exe
PID 3044 wrote to memory of 4596	3044	EXCEL.EXE	cmd.exe
PID 3044 wrote to memory of 5116	3044	EXCEL.EXE	cmd.exe
PID 3044 wrote to memory of 5116	3044	EXCEL.EXE	cmd.exe
PID 2060 wrote to memory of 1540	2060	cmd.exe	attrib.exe
PID 2060 wrote to memory of 1540	2060	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1540 attrib.exe

pid	process
1540	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\0dc23c2f8a57268da4e0839394003dffe703e889b4013be45f401621789a75d8.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:3044

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:220

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:2060

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1540

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:4596

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:5116

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3736

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

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Downloads

memory/220-140-0x0000000000000000-mapping.dmp

Download
memory/1540-144-0x0000000000000000-mapping.dmp

Download
memory/2060-141-0x0000000000000000-mapping.dmp

Download
memory/3044-137-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-133-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-138-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/3044-139-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/3044-136-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-135-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-134-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-146-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-147-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-148-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/3044-149-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/4596-142-0x0000000000000000-mapping.dmp

Download
memory/5116-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads