bbcc63918dca4235d53a8aeba75b718c38f95369e4285c90fa05ddef0b6851e4

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 23:21

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General

Target

View _Document_Hhtm.html_
Size

9B
MD5

8f27d7a768ffa9ea267e4da2ce6840e3
SHA1

41d4e5cb54fe14d971c683b0ca3625f3fa371ceb
SHA256

bbcc63918dca4235d53a8aeba75b718c38f95369e4285c90fa05ddef0b6851e4
SHA512

99047a0ce4a51e0ea319a902a49562876e203443ad6b18029bc93575e55a8f374ff0f38ebe5a7a0e5cec71e4119cd8112d4c622ed695bf5d3f31fc783fcb5720

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.html_	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.html_\ = "html__auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\html__auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1040	AcroRd32.exe
1040	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1924	2180	cmd.exe	29
PID 2180 wrote to memory of 1924	2180	cmd.exe	29
PID 2180 wrote to memory of 1924	2180	cmd.exe	29
PID 1924 wrote to memory of 1040	1924	rundll32.exe	30
PID 1924 wrote to memory of 1040	1924	rundll32.exe	30
PID 1924 wrote to memory of 1040	1924	rundll32.exe	30
PID 1924 wrote to memory of 1040	1924	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\View _Document_Hhtm.html_"
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\View _Document_Hhtm.html_
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\View _Document_Hhtm.html_"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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