0fc32d8073d5217cab57b0fd47fae5a0d72d41963131c298f156f82161eb6c9b

Analysis

max time kernel
8s
max time network
39s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
17-04-2023 07:21

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General

Target

60f73d833a4d034333994526e1762e2e8ed23856646b51af0abfa90f44c1941d.xlsb
Size

353KB
MD5

82f33350945a8f2bad6a194f1e3214e1
SHA1

a81cad27f87f96cfa0b9ffaa29d2af89a08c4049
SHA256

60f73d833a4d034333994526e1762e2e8ed23856646b51af0abfa90f44c1941d
SHA512

8f1b77a4ca06dff9660eaf4b3c067aff693f31b62dea2fcf477b49ed950a8a9af10d9b00f881483834e0a8f379690579aa1f31a5821430a177b7e9460999349f
SSDEEP

6144:o8MrXVsRIdF/FW2LohOGYw6CC5jTT453mjEIbWiGVAKSLFN+YInSCRvuPsxNL:4DVsC7/F1L2OGY/TTy2jEIJc6FNu3uPW

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

wmic.exemshta.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	3496	2204	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4884	4256	mshta.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

2204 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2204 EXCEL.EXE
2204 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.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\60f73d833a4d034333994526e1762e2e8ed23856646b51af0abfa90f44c1941d.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2204

C:\Windows\System32\Wbem\wmic.exe
wmic process call create 'mshta C:\ProgramData\rGBOA.sct'
2⤵
- Process spawned unexpected child process
PID:3496

C:\Windows\system32\mshta.exe
mshta C:\ProgramData\rGBOA.sct
1⤵
- Process spawned unexpected child process
PID:4884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\rGBOA.sct
Filesize
15KB

MD5
25147623901b7d82be9586f2ccd3f17a

SHA1
83d6afc39a788836d6f37a88a860837156e55d44

SHA256
47d93bc9f692b077a5bbad028d24d50f003a4a57806b8b08c8c9a09c47494c9c

SHA512
8b39c1960ba2aaecd677cac8737e924878cd655ac129f274eb3a81ee943a21b61b3602ac045834543ff2ee9c494b3e60ccdfe9591d5a1b7f70181def21123023

Download Submit
memory/2204-121-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-122-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-123-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-124-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-133-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2204-134-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2204-344-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-345-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-346-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2204-347-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download