a3396cd39b3ee792caf6e6f05fc6022b90c535a7078fa96d899f56b159b82194

General

Target

a3396cd39b3ee792caf6e6f05fc6022b90c535a7078fa96d899f56b159b82194.xls
Size

96KB
MD5

6ede82d2972a2a921fc37b7cc275edf9
SHA1

59e4098c8b0aae152a0fa3ae8978e0e9689c9bda
SHA256

a3396cd39b3ee792caf6e6f05fc6022b90c535a7078fa96d899f56b159b82194
SHA512

ba195ec358a114ef1218ddd0683d71c9cc7b8b126472ef3702fb555fd02f6c292a49ada11cf9999f6972fd85c6857a559125c2ba5586ebaf360b4ef87165f598
SSDEEP

1536:WkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmOuV:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgY

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aysbody.com/catalog/fKIbKAcI81pVn/

xlm40.dropper

http://www.birebiregitim.net/wp-includes/mpaZ6zBj3IAJcx/

xlm40.dropper

http://fashionbyprincessmelodicaah.com/4185PINT/79YtAbiNx92iI/

xlm40.dropper

https://pccurico.cl/wp-admin/x3kyR3u8ARXStL7/

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	1188	1620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5068	1620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4408	1620	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1948	1620	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1620 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1620 EXCEL.EXE
1620 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1620 wrote to memory of 1188	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 1188	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 5068	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 5068	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 4408	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 4408	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 1948	1620	EXCEL.EXE	regsvr32.exe
PID 1620 wrote to memory of 1948	1620	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\a3396cd39b3ee792caf6e6f05fc6022b90c535a7078fa96d899f56b159b82194.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:1620
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1188
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5068
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4408
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1948

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1620-0-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

Filesize
64KB

Download
memory/1620-3-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

Filesize
64KB

Download
memory/1620-2-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

Filesize
64KB

Download
memory/1620-5-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

Filesize
64KB

Download
memory/1620-4-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp

Filesize
64KB

Download
memory/1620-1-0x00007FF81688D000-0x00007FF81688E000-memory.dmp

Filesize
4KB

Download
memory/1620-9-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-10-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-11-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-8-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-12-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp

Filesize
64KB

Download
memory/1620-7-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-13-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-6-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-14-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-15-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp

Filesize
64KB

Download
memory/1620-28-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download
memory/1620-29-0x00007FF81688D000-0x00007FF81688E000-memory.dmp

Filesize
4KB

Download
memory/1620-30-0x00007FF8167F0000-0x00007FF8169E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads