40f1b71a057db9ca86a4d699e827a7d98f530044bfe37361d4a6f16b8057f2a9

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 21:40

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General

Target

htdocs/log/index.php
Size

37B
MD5

b8dee7081b5dfbbf58cc37f0f11e85a5
SHA1

15c34801230cbea7e369de10c452e2c4d64856b3
SHA256

9be85edb115ec6975120e4231aff72be72d7267853a813119b109ec9968c1142
SHA512

f8c15d53e39b19f811bd2103c63a27f0f4c0a49088bed7cc1148d396bf8913186970028c0e70ef773e6cc026df2a68f58422491f8f342fd5094209efd36e3b13

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.php	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.php\ = "php_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_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
2032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	AcroRd32.exe
2032	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1636	2228	cmd.exe	31
PID 2228 wrote to memory of 1636	2228	cmd.exe	31
PID 2228 wrote to memory of 1636	2228	cmd.exe	31
PID 1636 wrote to memory of 2032	1636	rundll32.exe	32
PID 1636 wrote to memory of 2032	1636	rundll32.exe	32
PID 1636 wrote to memory of 2032	1636	rundll32.exe	32
PID 1636 wrote to memory of 2032	1636	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\htdocs\log\index.php
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\htdocs\log\index.php
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1636
- - 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\htdocs\log\index.php"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2032

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
b223c9351de099a417e47779402b9d23

SHA1
ec3821726fdcbb2bca3b53962204f5349a822923

SHA256
39487ab3df592c64de55a2b80361b9419cb3360e558f6a8003912bb3263dc376

SHA512
e35e29df0da87b79be9aa1c355a2a1c004a3fb379e823680701bf4fdbbae0eec0c475d2621848860166061cfda7c7ba2146ef2fbc91d83b5378779b65a42f315

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