3c1aea9f7c029c6d1560af5cbd680746b4b99382001485732f28bc770611b103

General

Target

3c1aea9f7c029c6d1560af5cbd680746b4b99382001485732f28bc770611b103.xls
Size

67KB
MD5

4ca50d67a7178b9c58cdb91b5bff281d
SHA1

47961da73c3aaf70d910251ef4ec507765f59190
SHA256

3c1aea9f7c029c6d1560af5cbd680746b4b99382001485732f28bc770611b103
SHA512

c2dca9a8ddcf339f0d08ce8e4d8c0b102a2fac44e9d6983058db343ad169f8e509dec4d7512fb767ae15afaa9dedec18cc8c657d34304b86519b4e327fcb9b7e
SSDEEP

1536:nVKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+u9s1a6YG2jzQ0viPvDNHhGtg:VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMI

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	2420	2480	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4704	2480	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4144	2480	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1964	2480	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2480	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2480	EXCEL.EXE
2480	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2420	2480	EXCEL.EXE	93
PID 2480 wrote to memory of 2420	2480	EXCEL.EXE	93
PID 2480 wrote to memory of 4704	2480	EXCEL.EXE	94
PID 2480 wrote to memory of 4704	2480	EXCEL.EXE	94
PID 2480 wrote to memory of 4144	2480	EXCEL.EXE	95
PID 2480 wrote to memory of 4144	2480	EXCEL.EXE	95
PID 2480 wrote to memory of 1964	2480	EXCEL.EXE	102
PID 2480 wrote to memory of 1964	2480	EXCEL.EXE	102

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3c1aea9f7c029c6d1560af5cbd680746b4b99382001485732f28bc770611b103.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:2480
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2420
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4704
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4144
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1964

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
0cf14cb1e8fe6dd0e92939dddb8bd81e

SHA1
851b2e9daee537bc476c58cb1113c25f9e364067

SHA256
bf9b3d98929bbf482c2fff6c1ceb5c376ddcbfe9f4a24c13130d392289a6deb9

SHA512
4e0a8d1d41ad831a746be48158214437905be1432d4499f6b5a2ebea33aacf460859fcdfecaa635f25353fbb9872443d45159c2331dd2086172f10a62f1c2768

Download Submit
memory/2480-14-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-2-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp

Filesize
64KB

Download
memory/2480-0-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp

Filesize
64KB

Download
memory/2480-4-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp

Filesize
64KB

Download
memory/2480-5-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp

Filesize
64KB

Download
memory/2480-6-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-11-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-10-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-1-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

Download
memory/2480-13-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-8-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-9-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-12-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-7-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-15-0x00007FFA87C70000-0x00007FFA87C80000-memory.dmp

Filesize
64KB

Download
memory/2480-16-0x00007FFA87C70000-0x00007FFA87C80000-memory.dmp

Filesize
64KB

Download
memory/2480-32-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2480-33-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

Download
memory/2480-3-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp

Filesize
64KB

Download
memory/2480-39-0x00007FFACA290000-0x00007FFACA485000-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