4b61d9c4fd6a10ac18c1f8d2eddf94b9b0d86276a770ccaddd4f05b577bd46d2

General

Target

0927c120a5ebae66b98e7962edb57903.xls
Size

36KB
MD5

0927c120a5ebae66b98e7962edb57903
SHA1

879cfc1d3a74ea615189899061823488b8cd1726
SHA256

4b61d9c4fd6a10ac18c1f8d2eddf94b9b0d86276a770ccaddd4f05b577bd46d2
SHA512

ba011c9d4599ba91e557f8f7ba09d3bdcc70c34ba3864c0f87ce9503359f86645a9be2189db1fd086a281a90cc22e46a092a16d1fa68b5dc294a14fbf80dcaaa
SSDEEP

768:0PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJYmBbArqccjAxC4mMrY:wok3hbdlylKsgqopeJBWhZFGkE+cL2Nu

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 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	4816	2388	explorer.exe	17

Blocklisted process makes network request 2 IoCs

flow	pid	Process
19	4680	WScript.exe
60	4680	WScript.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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2388	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2388	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2388	EXCEL.EXE
2388	EXCEL.EXE
2388	EXCEL.EXE
2388	EXCEL.EXE
2388	EXCEL.EXE
2388	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 4816	2388	EXCEL.EXE	47
PID 2388 wrote to memory of 4816	2388	EXCEL.EXE	47
PID 624 wrote to memory of 4680	624	explorer.exe	54
PID 624 wrote to memory of 4680	624	explorer.exe	54

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0927c120a5ebae66b98e7962edb57903.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:2388
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\Documents\xYVR.vbs
  2⤵
  - Process spawned unexpected child process
  PID:4816

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\xYVR.vbs"
  2⤵
  - Blocklisted process makes network request
  PID:4680

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

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Downloads

memory/2388-1-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

Filesize
64KB

Download
memory/2388-6-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

Filesize
64KB

Download
memory/2388-7-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-11-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-13-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-16-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-18-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-20-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-19-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-17-0x00007FFA66ED0000-0x00007FFA66EE0000-memory.dmp

Filesize
64KB

Download
memory/2388-15-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-14-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-12-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-10-0x00007FFA66ED0000-0x00007FFA66EE0000-memory.dmp

Filesize
64KB

Download
memory/2388-9-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-8-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-5-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-4-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

Filesize
64KB

Download
memory/2388-3-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download
memory/2388-2-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

Filesize
64KB

Download
memory/2388-0-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

Filesize
64KB

Download
memory/2388-32-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads