be5298975baf1a5c449049c8ba9340b3606ee300673c68c811a7d79c9d9db4bb

General

Target

be5298975baf1a5c449049c8ba9340b3606ee300673c68c811a7d79c9d9db4bb.xls
Size

95KB
MD5

e5e6ad7617dfe6ed5ceb85db2f7018ab
SHA1

c8726692870c91a1e9e3eef50fea2620ac90fd1a
SHA256

be5298975baf1a5c449049c8ba9340b3606ee300673c68c811a7d79c9d9db4bb
SHA512

4c967b6968e4650b6747cd78eb76f21d724652af134d8232223ee961e71147957c8345433a9b9bb5bd9d08456a8c776d931d096bbbb0c4cb9da748fb879bb28f

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	2148	3912	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3824	3912	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3792	3912	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4012	3912	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3912 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 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

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3912 wrote to memory of 2148	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 2148	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 3824	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 3824	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 3792	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 3792	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 4012	3912	EXCEL.EXE	regsvr32.exe
PID 3912 wrote to memory of 4012	3912	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\be5298975baf1a5c449049c8ba9340b3606ee300673c68c811a7d79c9d9db4bb.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\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2148

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3824

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3792

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4012

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/2148-276-0x0000000000000000-mapping.dmp

Download
memory/3792-278-0x0000000000000000-mapping.dmp

Download
memory/3824-277-0x0000000000000000-mapping.dmp

Download
memory/3912-118-0x00007FFB10F20000-0x00007FFB10F30000-memory.dmp

Filesize
64KB

Download
memory/3912-119-0x00007FFB10F20000-0x00007FFB10F30000-memory.dmp

Filesize
64KB

Download
memory/3912-120-0x00007FFB10F20000-0x00007FFB10F30000-memory.dmp

Filesize
64KB

Download
memory/3912-121-0x00007FFB10F20000-0x00007FFB10F30000-memory.dmp

Filesize
64KB

Download
memory/3912-130-0x00007FFB0D3B0000-0x00007FFB0D3C0000-memory.dmp

Filesize
64KB

Download
memory/3912-131-0x00007FFB0D3B0000-0x00007FFB0D3C0000-memory.dmp

Filesize
64KB

Download
memory/4012-279-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads