0dd61291d455aabb6e1cbb5dca20967807b3792c5506451de5e64ee3b600df4f

General

Target

0dd61291d455aabb6e1cbb5dca20967807b3792c5506451de5e64ee3b600df4f.xls
Size

95KB
MD5

539f3d2527d26c71468dfa613f957891
SHA1

dd5662705d519fcd577c64ef622b456a31ba0e33
SHA256

0dd61291d455aabb6e1cbb5dca20967807b3792c5506451de5e64ee3b600df4f
SHA512

b545b3bca318ced761d834ad105f192bfb012626f013dd784377a7f09121f4287c05867a0296fb2f38a5061af95d361b455fe49da369a525b4a433996bbac86e

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	3696	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3664	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2844	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	3948	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

3948 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3948 EXCEL.EXE
3948 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3948 wrote to memory of 3696	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3696	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3664	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3664	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 2844	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 2844	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3152	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3152	3948	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\0dd61291d455aabb6e1cbb5dca20967807b3792c5506451de5e64ee3b600df4f.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:3948

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3696

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3664

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2844

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/2844-252-0x0000000000000000-mapping.dmp

Download
memory/3152-253-0x0000000000000000-mapping.dmp

Download
memory/3664-251-0x0000000000000000-mapping.dmp

Download
memory/3696-250-0x0000000000000000-mapping.dmp

Download
memory/3948-114-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-115-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-116-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-117-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-126-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download
memory/3948-127-0x00007FFCDAC90000-0x00007FFCDACA0000-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