38d9bebdb5bd6901ec16315640333c4dd136db87edc47fe32c4f2550c887038f

General

Target

d6b05f99d5f1aeefdbfa2a90efc6599a.xls
Size

124KB
MD5

d6b05f99d5f1aeefdbfa2a90efc6599a
SHA1

07168be1e7dcd6ab4d5517255f7516c5059e1140
SHA256

38d9bebdb5bd6901ec16315640333c4dd136db87edc47fe32c4f2550c887038f
SHA512

39f3a8694f854824b58fc2dc99dfe4dd63d6b9276935b8be83e276a3a8fc47b02b2cddd1857f6d6b389808053627696adea02dcd3016a4570c48954eeed459b8
SSDEEP

1536:A+++ZmDVQtb88zcJLP1QvkezSsfeqmqmbkmYqORgpa2j/E8hWVbrzQ7IQOkbA2s8:uGRgWVbrzQ7I9kZABJtXwp

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	1176	2256	DW20.EXE	94

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	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
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 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
2256	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2256	EXCEL.EXE
2256	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE
2256	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1176	2256	EXCEL.EXE	101
PID 2256 wrote to memory of 1176	2256	EXCEL.EXE	101
PID 1176 wrote to memory of 320	1176	DW20.EXE	102
PID 1176 wrote to memory of 320	1176	DW20.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\d6b05f99d5f1aeefdbfa2a90efc6599a.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- 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 4880
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4880
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:320

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2588,i,14229658658073991926,6938034815163866135,262144 --variations-seed-version /prefetch:8
1⤵
PID:5044

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/1176-45-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-60-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/1176-62-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-61-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-59-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/1176-58-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/1176-57-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/1176-50-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-49-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-48-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/1176-44-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-9-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-12-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-14-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-15-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-16-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-6-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/2256-17-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-18-0x00007FFB4C710000-0x00007FFB4C720000-memory.dmp

Filesize
64KB

Download
memory/2256-19-0x00007FFB4C710000-0x00007FFB4C720000-memory.dmp

Filesize
64KB

Download
memory/2256-35-0x000001FC341B0000-0x000001FC349B0000-memory.dmp

Filesize
8.0MB

Download
memory/2256-40-0x000001FC341B0000-0x000001FC349B0000-memory.dmp

Filesize
8.0MB

Download
memory/2256-13-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-11-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-10-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-0-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/2256-8-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/2256-7-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-5-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-4-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/2256-3-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-2-0x00007FFB4EF30000-0x00007FFB4EF40000-memory.dmp

Filesize
64KB

Download
memory/2256-1-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-63-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download
memory/2256-64-0x00007FFB8EEB0000-0x00007FFB8F0A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads