91154f00f6a9b655f48a2e5988b92a66d07aaffc252150298a19e566cba9e694

Analysis

max time kernel
136s
max time network
143s
platform
windows10_x64
resource
win10v200430
submitted
09/07/2020, 10:44

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General

Target

91154f00f6a9b655f48a2e5988b92a66d07aaffc252150298a19e566cba9e694.doc
Size

147KB
MD5

888dced0beca26f8f50fe090dacae376
SHA1

3f483175ebf4e45923ad12d4f3769e96dc1166c6
SHA256

91154f00f6a9b655f48a2e5988b92a66d07aaffc252150298a19e566cba9e694
SHA512

7a00d75b63d9d907c73eb9076b1092c86b912229a01a81c800ec672c3ed63f749d323cead32609c24296fae69ebb0110de242635198bb1c8765c51fc05491c11

Score

10^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 3852	1520	WINWORD.EXE	71
PID 1520 wrote to memory of 3852	1520	WINWORD.EXE	71

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE
1520	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1520	WINWORD.EXE
1520	WINWORD.EXE

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3852	1520	regsvr32.exe	67

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\91154f00f6a9b655f48a2e5988b92a66d07aaffc252150298a19e566cba9e694.doc" /o ""
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:1520
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" EA.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1520-0-0x0000026EED3EC000-0x0000026EED3F1000-memory.dmp

Filesize
20KB

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memory/1520-1-0x0000026EED3EC000-0x0000026EED3F1000-memory.dmp

Filesize
20KB

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memory/1520-2-0x0000026EE84F9000-0x0000026EE84FE000-memory.dmp

Filesize
20KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads