1ee3788918d34886873b12b45d7723e64eebe81cd117dbbf95f75fb99b38ea2d

Resubmissions

08/07/2024, 11:05

240708-m639fsyaph 4

08/07/2024, 11:00

08/07/2024, 10:54

08/07/2024, 10:49

08/07/2024, 10:46

08/07/2024, 10:42

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 10:54

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General

Target

AntivirusDefender8.0-main/README.md
Size

75B
MD5

1ef2449c0655d9c8f7335d5f4e18a1f0
SHA1

be20ac57040d58c08125f5268286af8cc031f30e
SHA256

64565cbcfba9ae621d79b758bc2b6bb737a000cdb8d36aaa716d6b24c6b4e1e9
SHA512

ad4b7fa705d3dbefee5a5ab004eeb172b2248290d6a6cd06443ebe9536cbb6d51d3eb6955edb81f04f8aa96f2c252a3626e555c860f9edaa85c1f72916096ad0

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-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2624	2244	cmd.exe	29
PID 2244 wrote to memory of 2624	2244	cmd.exe	29
PID 2244 wrote to memory of 2624	2244	cmd.exe	29
PID 2624 wrote to memory of 2640	2624	rundll32.exe	30
PID 2624 wrote to memory of 2640	2624	rundll32.exe	30
PID 2624 wrote to memory of 2640	2624	rundll32.exe	30
PID 2624 wrote to memory of 2640	2624	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AntivirusDefender8.0-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AntivirusDefender8.0-main\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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\AntivirusDefender8.0-main\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2640

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
7d0c8d3f56b9df7cbb9cd556ce422a68

SHA1
2916e4164bf6388c453f73a00f7e4fd1ff4490fc

SHA256
85ed70864ae9b380d2ba972ea2e0cf1383365b4a0ad30156ce7bda9967a71f75

SHA512
b17532108bfd17121162d584ef1bccbe4ef3e5bed3c29cc2252cff47f9eee2ed5a4332f29b87dfd0131631aa2ec2242d4a859f940ed0a32c034ee66551070e13

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