49e315aa89bf10972518c3069a767c869bbf7027c298afd11ab21040285b3f9e

General

Target

cancel_sub_JPL12345678901234.xlsb
Size

260KB
MD5

80fdec003c86c583473a9fbbabf40d2f
SHA1

991940040a50a0be56572e4a9ab73d6d4dbab050
SHA256

49e315aa89bf10972518c3069a767c869bbf7027c298afd11ab21040285b3f9e
SHA512

022475db6593d15bdcc1411f7c3b88a8822311f621506401ad3ba33ddc2a52ae6e97e4357e3742bf59ef287c033f5363cb5d2021be793d5552a3a8b73b85cfa5

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	1304	2016	cmd.exe	68

Blocklisted process makes network request 1 IoCs

flow	pid	Process
26	3392	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3392	rundll32.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
2016	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1304	2016	EXCEL.EXE	79
PID 2016 wrote to memory of 1304	2016	EXCEL.EXE	79
PID 1304 wrote to memory of 2464	1304	cmd.exe	81
PID 1304 wrote to memory of 2464	1304	cmd.exe	81
PID 1304 wrote to memory of 3732	1304	cmd.exe	82
PID 1304 wrote to memory of 3732	1304	cmd.exe	82
PID 3732 wrote to memory of 3392	3732	rundll32.exe	83
PID 3732 wrote to memory of 3392	3732	rundll32.exe	83
PID 3732 wrote to memory of 3392	3732	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cancel_sub_JPL12345678901234.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c certutil -decode C:\Users\Public\5015.x1 C:\Users\Public\5015.x2 && rundll32 C:\Users\Public\5015.x2,DF1
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Windows\system32\certutil.exe
    certutil -decode C:\Users\Public\5015.x1 C:\Users\Public\5015.x2
    3⤵
    PID:2464
- - C:\Windows\system32\rundll32.exe
    rundll32 C:\Users\Public\5015.x2,DF1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3732
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\Users\Public\5015.x2,DF1
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      PID:3392

Network

MITRE ATT&CK Enterprise v6

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

memory/2016-121-0x00007FFDEAD10000-0x00007FFDEBDFE000-memory.dmp

Filesize
16.9MB

Download
memory/2016-122-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2016-114-0x00007FF6A33B0000-0x00007FF6A6966000-memory.dmp

Filesize
53.7MB

Download
memory/2016-123-0x000001A9E8330000-0x000001A9EA225000-memory.dmp

Filesize
31.0MB

Download
memory/2016-118-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2016-117-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2016-116-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/2016-115-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads