0782a2070e674e39d93e31282fe5f9ca680c45394c39fb7fa343ec87a6f6cd94

General

Target

SecuriteInfo.com.Heur.9603.22830.xls
Size

273KB
MD5

ce21a33b634b572514cdc5a327b08778
SHA1

f7ac6299d0e19f452e4828bcb30eb9cb50383fff
SHA256

0782a2070e674e39d93e31282fe5f9ca680c45394c39fb7fa343ec87a6f6cd94
SHA512

31b57f6e5cbb55d122e4b859911126e7cae56a8908aa17760656b2ae42e81be5899158930a04c311ae7f5ab93f7e2d8e8813c9eae0050783ac403194610cae0a

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.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	2672	3992	rundll32.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3992 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3992 wrote to memory of 2672	3992	EXCEL.EXE	rundll32.exe
PID 3992 wrote to memory of 2672	3992	EXCEL.EXE	rundll32.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\SecuriteInfo.com.Heur.9603.22830.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\sfdgsd.dss,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\sfdgsd.dss
MD5
87c1bfb3b3a2806e8e070b209998139d

SHA1
fcedb53327ab19166fe1733e185e86efd37db32c

SHA256
118479e5cf0e341d741db53a154379ab2ddd22893d1bf0424d1a66da68bd20f4

SHA512
2876631042683039ed01d2d16cfc3106ce83a2c219f7cca9821ba5de3a2071c511bf57ce6425b5d05df178c7c82d2908d407bdedb398797a2242ff8ca2186d5b

Download Submit
memory/2672-7-0x0000000000000000-mapping.dmp

Download
memory/3992-2-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Filesize
64KB

Download
memory/3992-3-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Filesize
64KB

Download
memory/3992-4-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Filesize
64KB

Download
memory/3992-5-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Filesize
64KB

Download
memory/3992-6-0x00007FFC33870000-0x00007FFC33EA7000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads