b3696d2a2ca5cc82245002bd3c628cec835147e32691b99820f340f5a3ed7212

General

Target

d286ca2b78e0ae4b035d47f12bcc5716.xls
Size

151KB
MD5

d286ca2b78e0ae4b035d47f12bcc5716
SHA1

a37c1586a48d4cffd2af18896828764c67096d88
SHA256

b3696d2a2ca5cc82245002bd3c628cec835147e32691b99820f340f5a3ed7212
SHA512

4e05626ac12373f0f37d66277cc7840e6c187210fe4fa5a87ceb463d63c999822108e93d71690ee9ad833a281323722c981c0c79061d5b3c742b96776b73be79
SSDEEP

3072:XcKoSsxzNDZLDZjlbR868O8KlVH3yehvMqAPjxO5xyZUE5V5xtezEVg8/dgL4Lcq:XcKoSsxzNDZLDZjlbR868O8KlVH3yehk

Score

6^/10

Malware Config

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	5716	5500	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.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
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

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
5500	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE
5500	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5500 wrote to memory of 5716	5500	EXCEL.EXE	89
PID 5500 wrote to memory of 5716	5500	EXCEL.EXE	89
PID 5716 wrote to memory of 5112	5716	DW20.EXE	90
PID 5716 wrote to memory of 5112	5716	DW20.EXE	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d286ca2b78e0ae4b035d47f12bcc5716.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:5500
- 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 5188
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:5716
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 5188
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:5112

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/5500-13-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-16-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-4-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5500-3-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5500-5-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5500-2-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5500-10-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-9-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-8-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-7-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-11-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-12-0x00007FFC92AD0000-0x00007FFC92AE0000-memory.dmp

Filesize
64KB

Download
memory/5500-6-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-14-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-0-0x00007FFCD50ED000-0x00007FFCD50EE000-memory.dmp

Filesize
4KB

Download
memory/5500-1-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5500-19-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-17-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-15-0x00007FFC92AD0000-0x00007FFC92AE0000-memory.dmp

Filesize
64KB

Download
memory/5500-21-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-20-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-18-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-30-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-31-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-79-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-81-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5500-99-0x00007FFCD5050000-0x00007FFCD5245000-memory.dmp

Filesize
2.0MB

Download
memory/5716-98-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5716-97-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5716-96-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download
memory/5716-95-0x00007FFC950D0000-0x00007FFC950E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads