2d2b82079276cea473cd0d42f9eb59bb6b4d822416ef8fa6c04961eb2ad9bc8c

General

Target

2d2b82079276cea473cd0d42f9eb59bb6b4d822416ef8fa6c04961eb2ad9bc8c.xls
Size

95KB
MD5

a9a219788fd3166789e69636a1ebfd83
SHA1

768a88fb4a5e9b3f41e0f93e97ac7c0b71769c41
SHA256

2d2b82079276cea473cd0d42f9eb59bb6b4d822416ef8fa6c04961eb2ad9bc8c
SHA512

66c8f8dc79ba9b35616a72ec200207673ad033600051f6aeebf41277502336d1392c46d9757c6ab45045bc11a293e862ee55ae50207e9a399438f31e516737b8

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.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	2900	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2620	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1688	3308	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	3308	regsvr32.exe	EXCEL.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3308 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3308 EXCEL.EXE
3308 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3308 wrote to memory of 2900	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2900	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2620	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 2620	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 1688	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 1688	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 3152	3308	EXCEL.EXE	regsvr32.exe
PID 3308 wrote to memory of 3152	3308	EXCEL.EXE	regsvr32.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\2d2b82079276cea473cd0d42f9eb59bb6b4d822416ef8fa6c04961eb2ad9bc8c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3308

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2900

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2620

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1688

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3152

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1688-254-0x0000000000000000-mapping.dmp

Download
memory/2620-253-0x0000000000000000-mapping.dmp

Download
memory/2900-252-0x0000000000000000-mapping.dmp

Download
memory/3152-255-0x0000000000000000-mapping.dmp

Download
memory/3308-128-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp

Filesize
64KB

Download
memory/3308-129-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp

Filesize
64KB

Download
memory/3308-119-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-118-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-117-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-116-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-292-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-294-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-293-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download
memory/3308-295-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads