3078402bc8b551ac18d79f6f7fddcdbdb468f286e46a9818f307c0f2f50d5924

General

Target

3078402bc8b551ac18d79f6f7fddcdbdb468f286e46a9818f307c0f2f50d5924.xls
Size

102KB
MD5

1457447d8e07abe91dd79ed918a9a92b
SHA1

449f01b3923e61aa85ba9fce5de1dd47473e349d
SHA256

3078402bc8b551ac18d79f6f7fddcdbdb468f286e46a9818f307c0f2f50d5924
SHA512

122437893e87074cd8f72b9809bfca65893cf04fdd1206825b4c99598fb2651bfe533eb7fb86661ce20a66bb6adaf86f8caff13410ef286f2cbf347c1be0a654
SSDEEP

1536:otPReSc0uIV197laaUm2jcc0lbxOvTgZr5cY7nJdFoOGIWWt2XKv4N:CESc0uIV1Blac2jcc0lbxOrQpEaAN

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	3656	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2884	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2964	5060	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 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\52375E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

5060 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\52375E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 5060 wrote to memory of 3656	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 3656	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2884	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2884	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2964	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2964	5060	EXCEL.EXE	cmd.exe
PID 3656 wrote to memory of 3180	3656	cmd.exe	attrib.exe
PID 3656 wrote to memory of 3180	3656	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3180 attrib.exe

pid	process
3180	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\3078402bc8b551ac18d79f6f7fddcdbdb468f286e46a9818f307c0f2f50d5924.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:5060

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:3656

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3180

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:2884

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:2964

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/2884-140-0x0000000000000000-mapping.dmp

Download
memory/2964-141-0x0000000000000000-mapping.dmp

Download
memory/3180-142-0x0000000000000000-mapping.dmp

Download
memory/3656-139-0x0000000000000000-mapping.dmp

Download
memory/5060-135-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-137-0x00007FFF17CF0000-0x00007FFF17D00000-memory.dmp

Filesize
64KB

Download
memory/5060-138-0x00007FFF17CF0000-0x00007FFF17D00000-memory.dmp

Filesize
64KB

Download
memory/5060-136-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-132-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-134-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-133-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-144-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-145-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-146-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-147-0x00007FFF1A650000-0x00007FFF1A660000-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