3e8b5d4ac62a25e6c08b99954ee66559a8b758a4a05d5cd8a2a1151bbd80016a

Resubmissions

09/09/2022, 17:25

220909-vzhceagfh4 1

09/09/2022, 15:18

220909-spykjaccbr 10

09/09/2022, 15:08

220909-sh2zdaccaq 1

09/09/2022, 15:04

220909-sfpw2agde2 1

Analysis

max time kernel
99s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2022, 15:04

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Report Analysis Logs

General

Target

fastemailsystems.document.09.09.22.xlsm
Size

3.3MB
MD5

c31319d66a1caab0aea47c65ab2b0897
SHA1

b0b3711aac3683ca6bc8975f0686987a833cbc3c
SHA256

3e8b5d4ac62a25e6c08b99954ee66559a8b758a4a05d5cd8a2a1151bbd80016a
SHA512

5e418ffa4790be551e0f228ff6e0f23fcd2b0861d26e61299168aefa70fe9598563d1c1222ff85362fdaffd81efb576b9f67e376a32c57d0ccaa3fbe05046994
SSDEEP

98304:Y0cMQv/hDAEl7Xtpny6H41l+/Xd8NyU9QgfW:Y//VAa7dpny+41l+vdoyf

Score

1^/10

Malware Config

Signatures

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

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

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

pid	Process
4992	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 1880	4992	EXCEL.EXE	87
PID 4992 wrote to memory of 1880	4992	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fastemailsystems.document.09.09.22.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1880

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4992-132-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-133-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-134-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-135-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-136-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-137-0x00007FF8ABD50000-0x00007FF8ABD60000-memory.dmp

Filesize
64KB

Download
memory/4992-138-0x00007FF8ABD50000-0x00007FF8ABD60000-memory.dmp

Filesize
64KB

Download
memory/4992-141-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-142-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-143-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download
memory/4992-144-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads