aabe3c4b363ebbeb90478ce29dee4243dfa033c4114a81074b7f8e07877da31a

General

Target

aabe3c4b363ebbeb90478ce29dee4243dfa033c4114a81074b7f8e07877da31a.xls
Size

140KB
MD5

0f4cd700f47d1673170e11aeb274583a
SHA1

9d0df6af33178fac54fe522cc1d0d71418997ce0
SHA256

aabe3c4b363ebbeb90478ce29dee4243dfa033c4114a81074b7f8e07877da31a
SHA512

e67c5db74469d09586d49718a5d989518fc183adc38d347f2cdc75536edda919b30c3a0ecc13eae42e67e4f1a5118c7dcc6424747d634a9bc90aa3c2e3dc835a
SSDEEP

3072:zSpl6Nc7yRzs1H75wkZUgsQ6NqTBun5oV8TGUudMwxK2jcc0lbxOA3+X1qix:Wl6Nc7yRzs1H75wkZUgsQ6NqTBun5oSo

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	2376	4864	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4052	4864	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2284	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 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\DB375E00\: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\DB375E00\: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 2376	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 2376	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 4052	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 4052	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 2284	4864	EXCEL.EXE	cmd.exe
PID 4864 wrote to memory of 2284	4864	EXCEL.EXE	cmd.exe
PID 2376 wrote to memory of 4756	2376	cmd.exe	attrib.exe
PID 2376 wrote to memory of 4756	2376	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4756 attrib.exe

pid	process
4756	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\aabe3c4b363ebbeb90478ce29dee4243dfa033c4114a81074b7f8e07877da31a.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 attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4756

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:4052

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:2284

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

Loading Replay Monitor...

Downloads

memory/2284-141-0x0000000000000000-mapping.dmp

Download
memory/2376-139-0x0000000000000000-mapping.dmp

Download
memory/4052-140-0x0000000000000000-mapping.dmp

Download
memory/4756-142-0x0000000000000000-mapping.dmp

Download
memory/4864-135-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-137-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download
memory/4864-138-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download
memory/4864-136-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-132-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-134-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-133-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-165-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-167-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-168-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4864-166-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads