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
363s
max time network
364s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 11:05

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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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1652	1948	cmd.exe	31
PID 1948 wrote to memory of 1652	1948	cmd.exe	31
PID 1948 wrote to memory of 1652	1948	cmd.exe	31
PID 1652 wrote to memory of 2736	1652	rundll32.exe	32
PID 1652 wrote to memory of 2736	1652	rundll32.exe	32
PID 1652 wrote to memory of 2736	1652	rundll32.exe	32
PID 1652 wrote to memory of 2736	1652	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AntivirusDefender8.0-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- 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:1652
- - 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:2736

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
68b62f0008dbb623c73d0ec1f7ff9657

SHA1
1a45c877fac82be76951c70fcb7500e63b2041b5

SHA256
fe71f0b17a8c6814002106958315111b5c988fcf94b00ddd4f4671adda458ebb

SHA512
4d0ca0976c566887627a7ce1747b9b0c40be12c143206a99a4ed0fc52f1e672db3879275dd4efe455ee481607f6e1e74dc84d3f69c7a4793b2a6d1fc49624a49

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