89c5904ed8f6fa6c9cba9c44ba186f6a77f6ad189862edf91587123062b1ba5b

General

Target

89c5904ed8f6fa6c9cba9c44ba186f6a77f6ad189862edf91587123062b1ba5b.xls
Size

95KB
MD5

f0a0651ba93edc2945fe8ea4c79f740f
SHA1

73466309f42189deea1e177e29d1e7afc2655720
SHA256

89c5904ed8f6fa6c9cba9c44ba186f6a77f6ad189862edf91587123062b1ba5b
SHA512

47e45f5552e5038271e064b53aa4951f582761591545f7537e3db19eafc9eacb09d2d1216856f4c5cbfc0aa9b3cf6282bc2ee81da258bbddd67493c689a8ff7e

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	4988	2608	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5092	2608	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4424	2608	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4356	2608	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

2608 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE
2608	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2608 wrote to memory of 4988	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 4988	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 5092	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 5092	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 4424	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 4424	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 4356	2608	EXCEL.EXE	regsvr32.exe
PID 2608 wrote to memory of 4356	2608	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\89c5904ed8f6fa6c9cba9c44ba186f6a77f6ad189862edf91587123062b1ba5b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4988

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5092

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4424

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4356

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/2608-117-0x00007FFE172A0000-0x00007FFE172B0000-memory.dmp

Filesize
64KB

Download
memory/2608-118-0x00007FFE172A0000-0x00007FFE172B0000-memory.dmp

Filesize
64KB

Download
memory/2608-119-0x00007FFE172A0000-0x00007FFE172B0000-memory.dmp

Filesize
64KB

Download
memory/2608-120-0x00007FFE172A0000-0x00007FFE172B0000-memory.dmp

Filesize
64KB

Download
memory/2608-129-0x00007FFE138B0000-0x00007FFE138C0000-memory.dmp

Filesize
64KB

Download
memory/2608-130-0x00007FFE138B0000-0x00007FFE138C0000-memory.dmp

Filesize
64KB

Download
memory/4356-264-0x0000000000000000-mapping.dmp

Download
memory/4424-263-0x0000000000000000-mapping.dmp

Download
memory/4988-261-0x0000000000000000-mapping.dmp

Download
memory/5092-262-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads