de3dd2e27d138edf9d5def5572df51e2dab1c3d366532af3e324de2713749b3c

General

Target

de3dd2e27d138edf9d5def5572df51e2dab1c3d366532af3e324de2713749b3c.xls
Size

101KB
MD5

de589c737d0ebd20c0644ad9d3f16dab
SHA1

cf55137adb534f323b56b53c0610cf72f53cecc0
SHA256

de3dd2e27d138edf9d5def5572df51e2dab1c3d366532af3e324de2713749b3c
SHA512

f5df525bd49dadd0d2def6c6572aa396476fdd3a9a4b9287076859d1adb3752996dfe8834ca50d64bb643e39a1dd822fe07ee20a22f616318f1547f6b8b34c69
SSDEEP

1536:gHHHP/Wzz2NwgeEWVbrzQ7IuYkbA23pVOeXcJtXwi9d/WF:cWVbrzQ7IRkZ3/MJtXwAd/WF

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	3996	4816	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3696	4816	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3676	4816	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 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\82F65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4816 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\82F65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE
4816	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4816 wrote to memory of 3996	4816	EXCEL.EXE	cmd.exe
PID 4816 wrote to memory of 3996	4816	EXCEL.EXE	cmd.exe
PID 4816 wrote to memory of 3696	4816	EXCEL.EXE	cmd.exe
PID 4816 wrote to memory of 3696	4816	EXCEL.EXE	cmd.exe
PID 4816 wrote to memory of 3676	4816	EXCEL.EXE	cmd.exe
PID 4816 wrote to memory of 3676	4816	EXCEL.EXE	cmd.exe
PID 3996 wrote to memory of 1236	3996	cmd.exe	attrib.exe
PID 3996 wrote to memory of 1236	3996	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1236 attrib.exe

pid	process
1236	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\de3dd2e27d138edf9d5def5572df51e2dab1c3d366532af3e324de2713749b3c.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:4816

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:3996

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1236

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:3696

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:3676

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/1236-142-0x0000000000000000-mapping.dmp

Download
memory/3676-141-0x0000000000000000-mapping.dmp

Download
memory/3696-140-0x0000000000000000-mapping.dmp

Download
memory/3996-139-0x0000000000000000-mapping.dmp

Download
memory/4816-135-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-137-0x00007FFC09650000-0x00007FFC09660000-memory.dmp

Filesize
64KB

Download
memory/4816-138-0x00007FFC09650000-0x00007FFC09660000-memory.dmp

Filesize
64KB

Download
memory/4816-136-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-132-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-134-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-133-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-144-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-146-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-145-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download
memory/4816-147-0x00007FFC0BFB0000-0x00007FFC0BFC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads