ba3d443673d9b9b96d6f9d52a19b9a756e300815f1f2af79128cece16a481c25

General

Target

ba3d443673d9b9b96d6f9d52a19b9a756e300815f1f2af79128cece16a481c25.xls
Size

77KB
MD5

f7e9453bd7977b415e9020587e4fa6df
SHA1

548442780602838cec644b46497b5bdedd38067c
SHA256

ba3d443673d9b9b96d6f9d52a19b9a756e300815f1f2af79128cece16a481c25
SHA512

1a46c3ba1786ca4024b5515902c058ee64f30ca6595431dc0897e05a31fcafc88a7e65b10e7ef2a197c8cf9fd289d8004f71a0adf20f38dec01638f4aa45ba64
SSDEEP

1536:ASKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgew+hD8nTLqQrRrZws8E6u:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://natdemo.natrixsoftware.com/wp-admin/QyqiN/

xlm40.dropper

http://luisangeja.com/COPYRIGHT/BJljffG6/

xlm40.dropper

http://nerz.net/stats/KVIyooM/

Signatures

Process spawned unexpected child process 3 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	1036	2452	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1416	2452	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1908	2452	regsvr32.exe	83

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
2452	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1036	2452	EXCEL.EXE	87
PID 2452 wrote to memory of 1036	2452	EXCEL.EXE	87
PID 2452 wrote to memory of 1416	2452	EXCEL.EXE	88
PID 2452 wrote to memory of 1416	2452	EXCEL.EXE	88
PID 2452 wrote to memory of 1908	2452	EXCEL.EXE	89
PID 2452 wrote to memory of 1908	2452	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ba3d443673d9b9b96d6f9d52a19b9a756e300815f1f2af79128cece16a481c25.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:2452
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam1.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1036
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam2.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1416
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam3.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1908

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
9429f22bee14bc774ca286043ca6b95d

SHA1
3b3e1d2143b3f59bec0101a49988a73b357762ba

SHA256
9cd6ab6a70727eb5d771785b85b75f32c1725808a01d02bc98ac7ebe8f5b9187

SHA512
571009186dead41255d7e1f898fa9a04e7b3de57afbd6a71087299562b727d9f10187f53b42076e708feba60a355d40305f1cb01592f8116ac0997b1a18fe2e2

Download Submit
memory/2452-14-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-6-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-3-0x00007FFB526AD000-0x00007FFB526AE000-memory.dmp

Filesize
4KB

Download
memory/2452-0-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

Filesize
64KB

Download
memory/2452-5-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

Filesize
64KB

Download
memory/2452-12-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-11-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-15-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-1-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

Filesize
64KB

Download
memory/2452-4-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

Filesize
64KB

Download
memory/2452-13-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-9-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-16-0x00007FFB10530000-0x00007FFB10540000-memory.dmp

Filesize
64KB

Download
memory/2452-17-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-8-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-18-0x00007FFB10530000-0x00007FFB10540000-memory.dmp

Filesize
64KB

Download
memory/2452-7-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-2-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

Filesize
64KB

Download
memory/2452-28-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/2452-10-0x00007FFB52610000-0x00007FFB52805000-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