c3a59ff2bf7e39ce991568f3a1f159dcd10bc1f10312214397b73d2978f3ff9b

Resubmissions

20/11/2020, 19:03

201120-cx5fwpl1we 10

20/11/2020, 18:56

201120-qq16sh22ka 10

Analysis

max time kernel
139s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
20/11/2020, 19:03

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General

Target

Patent_656419797_as-of-27thJune2020.doc
Size

1006KB
MD5

45df50ea19045aa1d48ee962246c8c56
SHA1

86d00261ba88265bdd6b27ca76c44e2769c5088e
SHA256

cf577313173f345525aff5b7efe4c709507da92a9c9211559f6ff6af00db44b2
SHA512

262d148ed613ad6659c9f186537a50c8228182c58616de8b03687389ade4541e2cb829eee99a86b89c69af7e4d854e38813a030b528cb83f1fdefca96beb9bf4

Score

10^/10

Malware Config

Signatures

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	3584	580	cmd.exe	67

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 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

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 behavior: AddClipboardFormatListener 2 IoCs

pid	Process
580	WINWORD.EXE
580	WINWORD.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE
580	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 3584	580	WINWORD.EXE	76
PID 580 wrote to memory of 3584	580	WINWORD.EXE	76
PID 3584 wrote to memory of 2720	3584	cmd.exe	78
PID 3584 wrote to memory of 2720	3584	cmd.exe	78
PID 3584 wrote to memory of 1528	3584	cmd.exe	79
PID 3584 wrote to memory of 1528	3584	cmd.exe	79

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\Patent_656419797_as-of-27thJune2020.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\Exerwa\decode.bat
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3584
- - C:\Windows\system32\certutil.exe
    certutil -f -decode exec.enc exec.exe
    3⤵
    PID:2720
- - C:\Windows\system32\certutil.exe
    certutil -f -decode script.enc script.ps1
    3⤵
    PID:1528

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/580-0-0x000001EB4E020000-0x000001EB4E657000-memory.dmp

Filesize
6.2MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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