e0ca8c2fa19a0a8f7ab7f69ee18fce0f196c662f4bb810950cb5d4150e6a571f

General

Target

e0ca8c2fa19a0a8f7ab7f69ee18fce0f196c662f4bb810950cb5d4150e6a571f.xls
Size

94KB
MD5

0c740931177e11a60872cd4923bc38c5
SHA1

b23e21af7e824e4e302090c3c461cc847cf9dbe8
SHA256

e0ca8c2fa19a0a8f7ab7f69ee18fce0f196c662f4bb810950cb5d4150e6a571f
SHA512

71c69a5707762b7bae48cf059c11b40c5028717a9d5e9bc173bd3ef82d6dc0def8c8782f0bae093ffe89efd6ef4f6fccf1088aa92b02ac1896b03d3694dc4bc1
SSDEEP

1536:nFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgiHuS4hcTO97v7UYdEJmFCy:FKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgz

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ewingconsulting.com/wp-includes/1sqrshC/

xlm40.dropper

http://www.llev.com.br/app/W2ehSSGWXTBpOf/

xlm40.dropper

http://digital21.cl/genchile/Pp1LDfwHR0IJPWHpq3R/

xlm40.dropper

http://nellydwiputri.co.id/images/lZfuoNe2vyr/

Signatures

Process spawned unexpected child process 4 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	3184	1628	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1956	1628	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2488	1628	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4716	1628	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 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

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
1628	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1628	EXCEL.EXE
1628	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3184	1628	EXCEL.EXE	89
PID 1628 wrote to memory of 3184	1628	EXCEL.EXE	89
PID 1628 wrote to memory of 1956	1628	EXCEL.EXE	95
PID 1628 wrote to memory of 1956	1628	EXCEL.EXE	95
PID 1628 wrote to memory of 2488	1628	EXCEL.EXE	100
PID 1628 wrote to memory of 2488	1628	EXCEL.EXE	100
PID 1628 wrote to memory of 4716	1628	EXCEL.EXE	101
PID 1628 wrote to memory of 4716	1628	EXCEL.EXE	101

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e0ca8c2fa19a0a8f7ab7f69ee18fce0f196c662f4bb810950cb5d4150e6a571f.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:1628
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3184
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1956
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2488
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4716

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
6ecad2d6cf94e4952cd4ccabd3010fbc

SHA1
ba5e8417b76b9de8d05fab17cbf3aa811ec7387e

SHA256
e8ddf65c33ae9f2c78afde8c8f05ac19984d99cc489299c37bc039e7032d2bb6

SHA512
1ff0ae121740b2a076bdf607821917bc0e7b6bbfef9dcd1369b8e79a4da066b80eab0c16a2e035576b6cccad49d715b6d5df9f36dce11b3e9dcdd37dd5a77ae9

Download Submit
C:\Users\Admin\uoya1.ocx

Filesize
114B

MD5
e89f75f918dbdcee28604d4e09dd71d7

SHA1
f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

SHA256
6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

SHA512
8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

Download Submit
memory/1628-7-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-3-0x00007FFF04D10000-0x00007FFF04D20000-memory.dmp

Filesize
64KB

Download
memory/1628-1-0x00007FFF44D2D000-0x00007FFF44D2E000-memory.dmp

Filesize
4KB

Download
memory/1628-6-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-4-0x00007FFF04D10000-0x00007FFF04D20000-memory.dmp

Filesize
64KB

Download
memory/1628-9-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-11-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-10-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-12-0x00007FFF025D0000-0x00007FFF025E0000-memory.dmp

Filesize
64KB

Download
memory/1628-15-0x00007FFF025D0000-0x00007FFF025E0000-memory.dmp

Filesize
64KB

Download
memory/1628-5-0x00007FFF04D10000-0x00007FFF04D20000-memory.dmp

Filesize
64KB

Download
memory/1628-0-0x00007FFF04D10000-0x00007FFF04D20000-memory.dmp

Filesize
64KB

Download
memory/1628-8-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-14-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-16-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-18-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-17-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-2-0x00007FFF04D10000-0x00007FFF04D20000-memory.dmp

Filesize
64KB

Download
memory/1628-46-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-50-0x00007FFF44D2D000-0x00007FFF44D2E000-memory.dmp

Filesize
4KB

Download
memory/1628-51-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-53-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/1628-13-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads