fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25

General

Target

fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25.xls
Size

167KB
MD5

3807478821ef98618e85411b88086376
SHA1

adce9143dd2b45ffc52dc75ee8f89c535ee7d1b9
SHA256

fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25
SHA512

eff2ac714d76806e1b536959e985e91ed88d01bcfc209b792b1e9f22e8b31aa501f175653770ac40f6cc6d5cc71b72e75c2e3ebedb42c542351750a0b42f32f9
SSDEEP

3072:Nrk3hbdlylKsgqopeJBWhZFGkE+cLax9h1M1Xdzj59Ecrieer+s7aHwga8EdOdES:Zk3hbdlylKsgqopeJBWhZFVE+Wax9hwd

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4876	2776	DW20.EXE	85

Checks processor information in registry 2 TTPs 6 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 5 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2776	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 4876	2776	EXCEL.EXE	90
PID 2776 wrote to memory of 4876	2776	EXCEL.EXE	90
PID 4876 wrote to memory of 3032	4876	DW20.EXE	91
PID 4876 wrote to memory of 3032	4876	DW20.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fff7ee660d84c472f00fb8b0f017548e9bc5309f5dc19cc12c93c59763768a25.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4188
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4188
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3032

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

memory/2776-14-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-4-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/2776-2-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-5-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-0-0x00007FFA901AD000-0x00007FFA901AE000-memory.dmp

Filesize
4KB

Download
memory/2776-7-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/2776-9-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-8-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-10-0x00007FFA4DDC0000-0x00007FFA4DDD0000-memory.dmp

Filesize
64KB

Download
memory/2776-34-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-3-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/2776-12-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-1-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/2776-11-0x00007FFA4DDC0000-0x00007FFA4DDD0000-memory.dmp

Filesize
64KB

Download
memory/2776-6-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/2776-15-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-18-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-17-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-16-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/2776-13-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/4876-37-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/4876-26-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/4876-28-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/4876-25-0x00007FFA90110000-0x00007FFA90305000-memory.dmp

Filesize
2.0MB

Download
memory/4876-39-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/4876-40-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/4876-38-0x00007FFA50190000-0x00007FFA501A0000-memory.dmp

Filesize
64KB

Download
memory/4876-41-0x00007FFA90110000-0x00007FFA90305000-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