3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906

General

Target

3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906.xls
Size

67KB
MD5

aae1436e3ffedebe5c60d7b7e59465c7
SHA1

ced5491af49cce42a04eabeb48ed0ac7ceae206e
SHA256

3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906
SHA512

2d0158f145fb6095058b735449ac17138ed9ef1331f339c013b28f7107f50ef216781574458e85f0b586e97d17bf29c70496127203fe50698f9729cf73e604a3
SSDEEP

1536:nVKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+u9s1a6YG2jzQ0viPvDNHhGtM:VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM0

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.melisetotoaksesuar.com/catalog/controller/account/dqfKI/

xlm40.dropper

http://elamurray.com/athletics-carnival-2018/3UTZYr9D9f/

xlm40.dropper

http://masyuk.com/581voyze/MlX/

xlm40.dropper

http://jr-software-web.net/aaabackupsqldb/11hYk3bHJ/

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	2920	2144	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3488	2144	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1380	2144	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1476	2144	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
2144	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2144	EXCEL.EXE
2144	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE
2144	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2920	2144	EXCEL.EXE	93
PID 2144 wrote to memory of 2920	2144	EXCEL.EXE	93
PID 2144 wrote to memory of 3488	2144	EXCEL.EXE	94
PID 2144 wrote to memory of 3488	2144	EXCEL.EXE	94
PID 2144 wrote to memory of 1380	2144	EXCEL.EXE	95
PID 2144 wrote to memory of 1380	2144	EXCEL.EXE	95
PID 2144 wrote to memory of 1476	2144	EXCEL.EXE	96
PID 2144 wrote to memory of 1476	2144	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906.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:2144
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2920
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3488
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1380
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1476

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\uxevr1.ocx

Filesize
612KB

MD5
23e709041956315f8c12971e94d78db9

SHA1
ade84bb1c0caf8b187aeecf95211c4e3a8d13c2d

SHA256
bcf5e98a7a0b726c9c6bd2ad632dbd86736e67fba2c73902b68ed96549937870

SHA512
d1ac1b9ec9203bbdda1b25f933e492f6e75328819752b42e531cdae2cb19ef10e954db28bd0e86eb92530fbb99b015e47a3bed1560ebbd690e64c4b84761201f

Download Submit
memory/2144-7-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-1-0x00007FFCF27D0000-0x00007FFCF27E0000-memory.dmp

Filesize
64KB

Download
memory/2144-12-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-2-0x00007FFCF27D0000-0x00007FFCF27E0000-memory.dmp

Filesize
64KB

Download
memory/2144-11-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-6-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-8-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-10-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-5-0x00007FFCF27D0000-0x00007FFCF27E0000-memory.dmp

Filesize
64KB

Download
memory/2144-4-0x00007FFCF27D0000-0x00007FFCF27E0000-memory.dmp

Filesize
64KB

Download
memory/2144-0-0x00007FFCF27D0000-0x00007FFCF27E0000-memory.dmp

Filesize
64KB

Download
memory/2144-13-0x00007FFCEFE70000-0x00007FFCEFE80000-memory.dmp

Filesize
64KB

Download
memory/2144-9-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-14-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

Filesize
2.0MB

Download
memory/2144-15-0x00007FFCEFE70000-0x00007FFCEFE80000-memory.dmp

Filesize
64KB

Download
memory/2144-3-0x00007FFD327ED000-0x00007FFD327EE000-memory.dmp

Filesize
4KB

Download
memory/2144-36-0x00007FFD32750000-0x00007FFD32945000-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