c965880f0e964f46df8c423a22d1ccb32c72d214d6421a0798d9938887f2b5d7

General

Target

c965880f0e964f46df8c423a22d1ccb32c72d214d6421a0798d9938887f2b5d7.xls
Size

91KB
MD5

2032497ae5106a50beb3e5b39dab2f70
SHA1

7b3ee17bc16eb17918b83c2516f200121564b3ae
SHA256

c965880f0e964f46df8c423a22d1ccb32c72d214d6421a0798d9938887f2b5d7
SHA512

4fdb9d1d70481bd56157d200f4e9acbc53c969218745ed7ca89ca23b381bae9fc3501a813dbb6666ab5ced4b85d9234c72b6ca997f96de839a7699f8556e1c07
SSDEEP

1536:XCCCmeO2o6s2jcc0lbxOe62AZiM88ScJTXwWQgtY:V2jcc0lbxOOujhJTXw8

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	3176	4864	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4800	4864	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4604	4864	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 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\0CC65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4864 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\0CC65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE
4864	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4864 wrote to memory of 4604	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 4604	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 4800	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 4800	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 3176	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 3176	4864	EXCEL.EXE	cmd.exe
PID 4604 wrote to memory of 3224	4604	cmd.exe	attrib.exe
PID 4604 wrote to memory of 3224	4604	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3224 attrib.exe

pid	process
3224	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\c965880f0e964f46df8c423a22d1ccb32c72d214d6421a0798d9938887f2b5d7.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:4864

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:3176

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:4800

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:4604

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3224

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/3176-141-0x0000000000000000-mapping.dmp

Download
memory/3224-142-0x0000000000000000-mapping.dmp

Download
memory/4604-139-0x0000000000000000-mapping.dmp

Download
memory/4800-140-0x0000000000000000-mapping.dmp

Download
memory/4864-135-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-137-0x00007FFA74A00000-0x00007FFA74A10000-memory.dmp

Filesize
64KB

Download
memory/4864-138-0x00007FFA74A00000-0x00007FFA74A10000-memory.dmp

Filesize
64KB

Download
memory/4864-136-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-132-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-134-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-133-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-144-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-145-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-146-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download
memory/4864-147-0x00007FFA76DF0000-0x00007FFA76E00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads