38f455254142b266c253d2a155313200dbe27ed904b838d74b7a6a3cd7e7bce6

General

Target

数学工具4.5.11/数学工具使用说明.doc
Size

4.9MB
MD5

cca711eb00761224015c559637367ff2
SHA1

702130d1df72cb8a21c98bfcee5bca3699d9becf
SHA256

3e89b25201855b10cacb23ad6261c9aaeb0021da71470a38c120bcf32d8e5220
SHA512

96aee15acbbc33bafff1e869110dd245ff2d3ba1eea23bd8eb8fb75944a0c98f5e51fdb4f58148bc6d21b3ca4c9886e8e0974ba2f4739990d9b9467d9c1a4695
SSDEEP

12288:GVVbM60pVVVN/Yz0AEIX7uh67/ibeiZuXyN:GIBA1tu6id

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\WINWORD.EXE is not expected to spawn this process	928	3380	DW20.EXE	14

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	dwwin.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 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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 2 IoCs

pid	Process
3380	WINWORD.EXE
3380	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3380	WINWORD.EXE
3380	WINWORD.EXE
3380	WINWORD.EXE
3380	WINWORD.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3380	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 928	3380	WINWORD.EXE	15
PID 3380 wrote to memory of 928	3380	WINWORD.EXE	15
PID 928 wrote to memory of 3012	928	DW20.EXE	16
PID 928 wrote to memory of 3012	928	DW20.EXE	16

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\数学工具4.5.11\数学工具使用说明.doc" /o ""
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3380
- 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 2524
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:928
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 2524
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3012

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/928-39-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/928-37-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/928-36-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/928-38-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/928-40-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-41-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-42-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-22-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-28-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-29-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-27-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/928-25-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-43-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-12-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-18-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-16-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-8-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-13-0x00007FFF9ACB0000-0x00007FFF9ACC0000-memory.dmp

Filesize
64KB

Download
memory/3380-5-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/3380-11-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-17-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-15-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-14-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-19-0x00007FFF9ACB0000-0x00007FFF9ACC0000-memory.dmp

Filesize
64KB

Download
memory/3380-10-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-9-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-7-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-6-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-4-0x00007FFFDD350000-0x00007FFFDD545000-memory.dmp

Filesize
2.0MB

Download
memory/3380-3-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/3380-2-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/3380-1-0x00007FFF9D3D0000-0x00007FFF9D3E0000-memory.dmp

Filesize
64KB

Download
memory/3380-0-0x00007FFF9D3D0000-0x00007FFF9D3E0000-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