ba18ff142bae31457031ca49e772b10792ad3a5bdead90cb2c1d37e2a6c2fd59

Resubmissions

12-06-2024 08:39

240612-kkjltawejn 10

13-04-2024 00:14

240413-ajfhnagf98 10

Analysis

max time kernel
122s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-04-2024 00:14

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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
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2656	1720	cmd.exe	29
PID 1720 wrote to memory of 2656	1720	cmd.exe	29
PID 1720 wrote to memory of 2656	1720	cmd.exe	29
PID 2656 wrote to memory of 2720	2656	rundll32.exe	30
PID 2656 wrote to memory of 2720	2656	rundll32.exe	30
PID 2656 wrote to memory of 2720	2656	rundll32.exe	30
PID 2656 wrote to memory of 2720	2656	rundll32.exe	30

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:1720
- 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:2656
- - 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:2720

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
429ae1720a5cb37af18080760f969d73

SHA1
d69ba3805b6a99f8299d56e0a2a9e36e937f7801

SHA256
8004d54224a137c2a697a8f3dcb356966259ca7d14b93c154fdfc31c904e944a

SHA512
fcf7f6a33457c9ba9f525c0dffdc5d01542f5e5a92ab5afafe6626fd2593d9adee289816c127d5ba57bbf0da80e998b25e3c85cce4be0fb0289b635ffd63164c

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