076fe144a649e81b2027898d176b0f7fd0281b5051b82023a51e125556529f49

General

Target

076fe144a649e81b2027898d176b0f7fd0281b5051b82023a51e125556529f49.xls
Size

95KB
MD5

09d3ad2d436f57dc7680085b67d24d09
SHA1

3cac6385d6089e4390435c949b6554fcb3ef99d0
SHA256

076fe144a649e81b2027898d176b0f7fd0281b5051b82023a51e125556529f49
SHA512

8546c6218801f05f2bd7738d8d2712cc7374b661bca933d8b618064bcd3cc3811e66233c8f3cae8250df4a4c6b8a0e8f29cef029160056befb365935b57be942

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	5056	2784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3212	2784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	704	2784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3712	2784	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

2784 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2784 wrote to memory of 5056	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 5056	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 3212	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 3212	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 704	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 704	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 3712	2784	EXCEL.EXE	regsvr32.exe
PID 2784 wrote to memory of 3712	2784	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\076fe144a649e81b2027898d176b0f7fd0281b5051b82023a51e125556529f49.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:5056

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3212

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:704

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3712

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/704-262-0x0000000000000000-mapping.dmp

Download
memory/2784-118-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2784-119-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2784-120-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2784-121-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2784-130-0x00007FF85E330000-0x00007FF85E340000-memory.dmp

Filesize
64KB

Download
memory/2784-131-0x00007FF85E330000-0x00007FF85E340000-memory.dmp

Filesize
64KB

Download
memory/3212-261-0x0000000000000000-mapping.dmp

Download
memory/3712-265-0x0000000000000000-mapping.dmp

Download
memory/5056-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads