ba18ff142bae31457031ca49e772b10792ad3a5bdead90cb2c1d37e2a6c2fd59

Analysis

max time kernel
103s
max time network
63s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-04-2024 01:05

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General

Target

Malware-Feed-master/2020.08.03_CISA-Chinese_RAT_TAIDOOR/README.md
Size

57B
MD5

df252a327feefa31802dc9f84a688bf0
SHA1

b093b9b797144a73472fb76604207f184211f487
SHA256

664146b80800229b268722d618ac4ddcef9bd4a29715e3b7ddd36a21a0012500
SHA512

5e09a77ba50edfd011fe2a9a274393bccebc878342b3cb0ccf00526146394695f674cca37a966777b053e6f47854d4178cc762f80a846ede631dbef424158811

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\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\md_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2232	2488	cmd.exe	31
PID 2488 wrote to memory of 2232	2488	cmd.exe	31
PID 2488 wrote to memory of 2232	2488	cmd.exe	31
PID 2232 wrote to memory of 2440	2232	rundll32.exe	32
PID 2232 wrote to memory of 2440	2232	rundll32.exe	32
PID 2232 wrote to memory of 2440	2232	rundll32.exe	32
PID 2232 wrote to memory of 2440	2232	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.08.03_CISA-Chinese_RAT_TAIDOOR\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.08.03_CISA-Chinese_RAT_TAIDOOR\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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\Malware-Feed-master\2020.08.03_CISA-Chinese_RAT_TAIDOOR\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2440

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
f3369c99dbbdf74ed9f64103a2216d77

SHA1
38b6d68497369ceaf6a5153b4df09c47e247f5dc

SHA256
0b52d717bccecc11484d75f15ce20b0160db751ff2eeea1f3aeec034e8ab1528

SHA512
472f8f43e0e990d5e3847570c0fdb05c9cbd8a056828b3569ef80fd55b5dd29d33b92ac21d46aa914d2bbb29362449a6855404816eb987507c50df5d3e0348ed

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