6f7d90a6f1ec3d2904b5a0b091958d259d1c9423c773833a4bcf5279eb89c66d

General

Target

6f7d90a6f1ec3d2904b5a0b091958d259d1c9423c773833a4bcf5279eb89c66d.xls
Size

95KB
MD5

8005eeaa40e031ab818a32ee624f57f4
SHA1

8bbf0b557f686e4d9a9161c8100dbc193c345bdb
SHA256

6f7d90a6f1ec3d2904b5a0b091958d259d1c9423c773833a4bcf5279eb89c66d
SHA512

74f2020023655a46fd8ed68bbde49ae16921cd43d8f0d590cbd8b9030ea5216bdd2c0c0d46f2669d70487e119817038199109c09149dcfede5182259fb258ed5

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	4720	2620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4872	2620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4708	2620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3972	2620	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

2620 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE
2620	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2620 wrote to memory of 4720	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 4720	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 4872	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 4872	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 4708	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 4708	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 3972	2620	EXCEL.EXE	regsvr32.exe
PID 2620 wrote to memory of 3972	2620	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\6f7d90a6f1ec3d2904b5a0b091958d259d1c9423c773833a4bcf5279eb89c66d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4720

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4872

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3972

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/2620-114-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2620-115-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2620-116-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2620-117-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2620-126-0x00007FF9EB6C0000-0x00007FF9EB6D0000-memory.dmp

Filesize
64KB

Download
memory/2620-127-0x00007FF9EB6C0000-0x00007FF9EB6D0000-memory.dmp

Filesize
64KB

Download
memory/3972-266-0x0000000000000000-mapping.dmp

Download
memory/4708-265-0x0000000000000000-mapping.dmp

Download
memory/4720-263-0x0000000000000000-mapping.dmp

Download
memory/4872-264-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads