ba18ff142bae31457031ca49e772b10792ad3a5bdead90cb2c1d37e2a6c2fd59

Analysis

max time kernel
104s
max time network
66s
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/2020.07.27_CISA-Legacy_Malware_Targeting_QNAP_NAS/README.md
Size

47B
MD5

1a520aff858573e768ad77c5f61d4c25
SHA1

88332c9edbd3561307f79f79a4c22414fdc1f369
SHA256

66cd4b7d78465c16e710e3b8720f0700f2bb557d9feebce07033406b77bb942d
SHA512

79a15c238b518a9903a8a7c070c9632298f81d2c85898c8f6c637bfabfd44abb513d68e6ba061f9ad102123ff951b85cb44d369723507f9193d02ae6c321fc69

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
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\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.md	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_auto_file\shell\Read	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
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\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2500	2748	cmd.exe	31
PID 2748 wrote to memory of 2500	2748	cmd.exe	31
PID 2748 wrote to memory of 2500	2748	cmd.exe	31
PID 2500 wrote to memory of 2632	2500	rundll32.exe	32
PID 2500 wrote to memory of 2632	2500	rundll32.exe	32
PID 2500 wrote to memory of 2632	2500	rundll32.exe	32
PID 2500 wrote to memory of 2632	2500	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.07.27_CISA-Legacy_Malware_Targeting_QNAP_NAS\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- 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\2020.07.27_CISA-Legacy_Malware_Targeting_QNAP_NAS\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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\2020.07.27_CISA-Legacy_Malware_Targeting_QNAP_NAS\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2632

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
07284fdeaef161bb2dc29c48f1a5b3ca

SHA1
0cf2bb71dd3085365b51ab86ef3b6a239c2dc626

SHA256
e55b6c7598cd977a70a3df06e3ef1edacf0cdde4079d5a80fe9dffd309b7d6f6

SHA512
ccc68f531f2f7b9d00c13d03d64392bdce466fde954a0161687350310ec25d5f7f3fffe5dd24cc5331445b2ae111e7421bfb41f8b09110886278a29d80d3ed5c

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