cc1dee8bdf1a5c906530e9488081e2d74abcf3175b0ae9b502bc9f75ac1c25dc

General

Target

cc1dee8bdf1a5c906530e9488081e2d74abcf3175b0ae9b502bc9f75ac1c25dc.xls
Size

48KB
MD5

f38f3e50b7d692408660aa732637b976
SHA1

0d86d5cea319ad250880769036e71889c7d92a05
SHA256

cc1dee8bdf1a5c906530e9488081e2d74abcf3175b0ae9b502bc9f75ac1c25dc
SHA512

88f5117d15008f6f6e7ad80d1aa0cfec2e37127c86a58a44ddc5335ae851b9274b41cb5c8266fdfdb87c54d411da8340422faa6970105371dd9480dc7648a338
SSDEEP

768:uDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JL/K9abdDKHGeWmqkySbuR/3ej79:u62tfQXi8vgLZkTOHkQT51Vp6AwPe8gy

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://famesa.com.ar/dos/gaa/

xlm40.dropper

https://www.fantasyclub.com.br/imgs/rggmVTfvT/

xlm40.dropper

http://ecoarch.com.tw/cgi-bin/vWW/

xlm40.dropper

https://dp-flex.co.jp/cgi-bin/Bt3Ycq5Tix/

xlm40.dropper

http://dharmacomunicacao.com.br/OLD/PjBkVBhUH/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	976	4672	regsvr32.exe	82

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

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

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

pid	Process
4672	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4672	EXCEL.EXE
4672	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE
4672	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 976	4672	EXCEL.EXE	92
PID 4672 wrote to memory of 976	4672	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cc1dee8bdf1a5c906530e9488081e2d74abcf3175b0ae9b502bc9f75ac1c25dc.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:4672
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  PID:976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
45f0e2ccd7a6d0be1877db7379355c2a

SHA1
37f28ffd53270a6d2bbfdf080dedda4e8924019a

SHA256
ee7710b3f2c99998afa7ba533aed0fee31daa3c0e8f84b5d441b85d8d5715997

SHA512
e0274b1a09e455cc08f7fe4e92c7a4137b554a1d28a272eefe26d1b334b27215a45e8f570dfddaaef4ef86d40ba38a5c9fc6ad8473264a6847b9bcb7a9126688

Download Submit
C:\Users\Admin\wnrul.ocx

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/4672-12-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-14-0x00007FFA72C40000-0x00007FFA72C50000-memory.dmp

Filesize
64KB

Download
memory/4672-4-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/4672-6-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-8-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-10-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-11-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-13-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-1-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/4672-0-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/4672-15-0x00007FFA72C40000-0x00007FFA72C50000-memory.dmp

Filesize
64KB

Download
memory/4672-9-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-7-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/4672-5-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-2-0x00007FFA751D0000-0x00007FFA751E0000-memory.dmp

Filesize
64KB

Download
memory/4672-42-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-43-0x00007FFAB5150000-0x00007FFAB5345000-memory.dmp

Filesize
2.0MB

Download
memory/4672-3-0x00007FFAB51ED000-0x00007FFAB51EE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads