c3a59ff2bf7e39ce991568f3a1f159dcd10bc1f10312214397b73d2978f3ff9b

Resubmissions

20/11/2020, 19:03

201120-cx5fwpl1we 10

20/11/2020, 18:56

201120-qq16sh22ka 10

Analysis

max time kernel
56s
max time network
13s
platform
windows7_x64
resource
win7v20201028
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 (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	1876	1808	cmd.exe	24

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1808	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1808	WINWORD.EXE
1808	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1356	1808	WINWORD.EXE	26
PID 1808 wrote to memory of 1356	1808	WINWORD.EXE	26
PID 1808 wrote to memory of 1356	1808	WINWORD.EXE	26
PID 1808 wrote to memory of 1356	1808	WINWORD.EXE	26
PID 1808 wrote to memory of 1876	1808	WINWORD.EXE	27
PID 1808 wrote to memory of 1876	1808	WINWORD.EXE	27
PID 1808 wrote to memory of 1876	1808	WINWORD.EXE	27
PID 1808 wrote to memory of 1876	1808	WINWORD.EXE	27
PID 1876 wrote to memory of 1688	1876	cmd.exe	30
PID 1876 wrote to memory of 1688	1876	cmd.exe	30
PID 1876 wrote to memory of 1688	1876	cmd.exe	30
PID 1876 wrote to memory of 1688	1876	cmd.exe	30
PID 1876 wrote to memory of 1624	1876	cmd.exe	31
PID 1876 wrote to memory of 1624	1876	cmd.exe	31
PID 1876 wrote to memory of 1624	1876	cmd.exe	31
PID 1876 wrote to memory of 1624	1876	cmd.exe	31

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Patent_656419797_as-of-27thJune2020.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1356
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Documents and Settings\Admin\Exerwa\decode.bat""
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\certutil.exe
    certutil -f -decode exec.enc exec.exe
    3⤵
    PID:1688
- - C:\Windows\SysWOW64\certutil.exe
    certutil -f -decode script.enc script.ps1
    3⤵
    PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1808-1-0x00000000006B1000-0x00000000006D2000-memory.dmp

Filesize
132KB

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