0ae9f28c4df9a8ebfb2f7a2976da3916be8560e87cf908cff220671c37b15d78

General

Target

0ae9f28c4df9a8ebfb2f7a2976da3916be8560e87cf908cff220671c37b15d78.xls
Size

140KB
MD5

042ca2269bc8e992fbc64d63cd49f640
SHA1

55dd9b8906abebc8b166e67e45245591d1387895
SHA256

0ae9f28c4df9a8ebfb2f7a2976da3916be8560e87cf908cff220671c37b15d78
SHA512

197a670f767e5001972623c7cb0e26709f2b3a0707737cc0bb4c384d53e28d8d1ae6203698a0e0ac50649292405106b21204f5a5617034e4c7ccd4146377e3b5
SSDEEP

3072:ji1A+ayP4uL5MW2jcc0lbxOAHggJtXwc:cNaW

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	3948	1848	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	344	1848	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3856	1848	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\54B65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1848 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\54B65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE
1848	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1848 wrote to memory of 3948	1848	EXCEL.EXE	cmd.exe
PID 1848 wrote to memory of 3948	1848	EXCEL.EXE	cmd.exe
PID 1848 wrote to memory of 344	1848	EXCEL.EXE	cmd.exe
PID 1848 wrote to memory of 344	1848	EXCEL.EXE	cmd.exe
PID 1848 wrote to memory of 3856	1848	EXCEL.EXE	cmd.exe
PID 1848 wrote to memory of 3856	1848	EXCEL.EXE	cmd.exe
PID 3948 wrote to memory of 3420	3948	cmd.exe	attrib.exe
PID 3948 wrote to memory of 3420	3948	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3420 attrib.exe

pid	process
3420	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\0ae9f28c4df9a8ebfb2f7a2976da3916be8560e87cf908cff220671c37b15d78.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:1848

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:3948

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3420

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:344

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:3856

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

Replay Monitor

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Downloads

memory/344-140-0x0000000000000000-mapping.dmp

Download
memory/1848-144-0x000001A745C8A000-0x000001A745C8C000-memory.dmp

Filesize
8KB

Download
memory/1848-143-0x000001A745C8A000-0x000001A745C8C000-memory.dmp

Filesize
8KB

Download
memory/1848-136-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-135-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-149-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-138-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp

Filesize
64KB

Download
memory/1848-133-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-134-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-137-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp

Filesize
64KB

Download
memory/1848-148-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-147-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-132-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/1848-146-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp

Filesize
64KB

Download
memory/3420-142-0x0000000000000000-mapping.dmp

Download
memory/3856-141-0x0000000000000000-mapping.dmp

Download
memory/3948-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads