e2f6d46cc696c8b2aa486b0f11595e363e5bff6c4c3a3bfb46db59e4e5eb3e63

General

Target

e2f6d46cc696c8b2aa486b0f11595e363e5bff6c4c3a3bfb46db59e4e5eb3e63.xls
Size

110KB
MD5

74f1c1b2ce1431325481ba927422f761
SHA1

767d211641b14e8ebbbe013473767967b387bc43
SHA256

e2f6d46cc696c8b2aa486b0f11595e363e5bff6c4c3a3bfb46db59e4e5eb3e63
SHA512

95eba633bf241ae0179e447f8062a46b74cb6f238f375c136dfe4df2e32f417038bd581005a9672efca07108df5f4294d27724767087af90bd1e1f28bdf5082b
SSDEEP

3072:9/1gxv7yZmspH7+cclKisUI4ukoRWGNOWVbrz+N+7ITkP5mww33XjUJtXwbMgV:p1gxv7yZmspH7+cclKisUI4ukoRWGNUG

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	4640	2984	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	488	2984	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1316	2984	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\E1F75E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2984 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\E1F75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE
2984	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2984 wrote to memory of 4708	2984	EXCEL.EXE	splwow64.exe
PID 2984 wrote to memory of 4708	2984	EXCEL.EXE	splwow64.exe
PID 2984 wrote to memory of 4640	2984	EXCEL.EXE	cmd.exe
PID 2984 wrote to memory of 4640	2984	EXCEL.EXE	cmd.exe
PID 2984 wrote to memory of 488	2984	EXCEL.EXE	cmd.exe
PID 2984 wrote to memory of 488	2984	EXCEL.EXE	cmd.exe
PID 2984 wrote to memory of 1316	2984	EXCEL.EXE	cmd.exe
PID 2984 wrote to memory of 1316	2984	EXCEL.EXE	cmd.exe
PID 4640 wrote to memory of 5008	4640	cmd.exe	attrib.exe
PID 4640 wrote to memory of 5008	4640	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

5008 attrib.exe

pid	process
5008	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\e2f6d46cc696c8b2aa486b0f11595e363e5bff6c4c3a3bfb46db59e4e5eb3e63.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:2984

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4708

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:4640

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:5008

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:488

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:1316

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2000

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/488-141-0x0000000000000000-mapping.dmp

Download
memory/1316-142-0x0000000000000000-mapping.dmp

Download
memory/2984-132-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2984-133-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2984-134-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2984-135-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2984-136-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2984-137-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/2984-138-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/4640-140-0x0000000000000000-mapping.dmp

Download
memory/4708-139-0x0000000000000000-mapping.dmp

Download
memory/5008-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads