70aa95576da74ef8c6d76af64cf4125e8a5fb9a59a58f60e714962c8f60898d2

General

Target

Complaint-Copy-684082724-03092021.xls
Size

82KB
MD5

c2da76a03a3690b5135a53312153e14e
SHA1

869f08157b4874014e48f47a64cb5d4244037e13
SHA256

70aa95576da74ef8c6d76af64cf4125e8a5fb9a59a58f60e714962c8f60898d2
SHA512

fa3191fdc561885b5d8f197d089e4fd8d3257b6a146275d58dae936b304e970216f65b2a0fe163b680ad5e3127e17c4395d1df8c200ba946765ddef801172e30

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 5 IoCs

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

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exerundll32.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	2876	1232	rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2668	1232	rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1008	1232	rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1552	1232	rundll32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2552	1232	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 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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1232 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1232 EXCEL.EXE
1232 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1232 wrote to memory of 2876	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 2876	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 2668	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 2668	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 1008	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 1008	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 1552	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 1552	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 2552	1232	EXCEL.EXE	rundll32.exe
PID 1232 wrote to memory of 2552	1232	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\Complaint-Copy-684082724-03092021.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\svvhos.dati,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2876

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\svvhos.dati1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2668

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\svvhos.dati2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1008

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\svvhos.dati3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1552

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\svvhos.dati4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2552

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1008-9-0x0000000000000000-mapping.dmp

Download
memory/1232-2-0x00007FFC5DE40000-0x00007FFC5DE50000-memory.dmp

Filesize
64KB

Download
memory/1232-3-0x00007FFC5DE40000-0x00007FFC5DE50000-memory.dmp

Filesize
64KB

Download
memory/1232-4-0x00007FFC5DE40000-0x00007FFC5DE50000-memory.dmp

Filesize
64KB

Download
memory/1232-5-0x00007FFC820E0000-0x00007FFC82717000-memory.dmp

Filesize
6.2MB

Download
memory/1232-6-0x00007FFC5DE40000-0x00007FFC5DE50000-memory.dmp

Filesize
64KB

Download
memory/1552-10-0x0000000000000000-mapping.dmp

Download
memory/2552-11-0x0000000000000000-mapping.dmp

Download
memory/2668-8-0x0000000000000000-mapping.dmp

Download
memory/2876-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads