3a3c89a0440aa8dda0278f276fb57c751c9d10c68bbc96f5409126e651aa8152

General

Target

3a3c89a0440aa8dda0278f276fb57c751c9d10c68bbc96f5409126e651aa8152.doc
Size

171KB
MD5

d9c29a894206b52c9cbe72edd90182a1
SHA1

01e60a5d1ab06fc9fbf658925f92cd931022d059
SHA256

3a3c89a0440aa8dda0278f276fb57c751c9d10c68bbc96f5409126e651aa8152
SHA512

ee51745de3cdfa64c1eeb2d13697e715176906e09c5d4f5d4632ea839027c23bf5f24c1a1282e0b53b16fc4253d912009e6c33291fd4618ab7d411bd2b47e29e
SSDEEP

3072:SG4PrXcuQuvpzm4bkiaMQgAlSApJ0aP7qI0DaCppgRyLtGIhRD:8DRv1m4bnQgISCJ0aPkGIhRD

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.

Processes:

DW20.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2360	1912	DW20.EXE	WINWORD.EXE

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

Processes:

WINWORD.EXEdwwin.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.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

Processes:

WINWORD.EXEdwwin.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1912 WINWORD.EXE
1912 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid process

1912 WINWORD.EXE
1912 WINWORD.EXE
1912 WINWORD.EXE
1912 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

1912 WINWORD.EXE
1912 WINWORD.EXE
1912 WINWORD.EXE
1912 WINWORD.EXE

pid	process
1912	WINWORD.EXE
1912	WINWORD.EXE

pid	process
1912	WINWORD.EXE
1912	WINWORD.EXE
1912	WINWORD.EXE
1912	WINWORD.EXE

pid	process
1912	WINWORD.EXE
1912	WINWORD.EXE
1912	WINWORD.EXE
1912	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 1912 wrote to memory of 2360	1912	WINWORD.EXE	DW20.EXE
PID 1912 wrote to memory of 2360	1912	WINWORD.EXE	DW20.EXE
PID 2360 wrote to memory of 4704	2360	DW20.EXE	dwwin.exe
PID 2360 wrote to memory of 4704	2360	DW20.EXE	dwwin.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3a3c89a0440aa8dda0278f276fb57c751c9d10c68bbc96f5409126e651aa8152.doc" /o ""
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:1912
- 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 3788
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 3788
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4704

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/1912-17-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-70-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-0-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/1912-6-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/1912-5-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-4-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-2-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/1912-7-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-10-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-11-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-12-0x00007FFDFF9B0000-0x00007FFDFF9C0000-memory.dmp

Filesize
64KB

Download
memory/1912-14-0x00007FFDFF9B0000-0x00007FFDFF9C0000-memory.dmp

Filesize
64KB

Download
memory/1912-13-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-16-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-3-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/1912-19-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-1-0x00007FFE41B6D000-0x00007FFE41B6E000-memory.dmp

Filesize
4KB

Download
memory/1912-18-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-15-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-9-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-8-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/1912-32-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-33-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-48-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/1912-20-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/2360-67-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/2360-68-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/2360-66-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/2360-65-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp

Filesize
64KB

Download
memory/2360-69-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp

Filesize
2.0MB

Download
memory/2360-53-0x00007FFE41AD0000-0x00007FFE41CC5000-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