43e2226c82a4c61bd3fc05a4020b9e132ba3df78101ad642adff6b1ba475c28e

Analysis

max time kernel
52s
max time network
19s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 17:59

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General

Target

hellokitty/NTRUEncrypt/autogen.sh
Size

33B
MD5

2a3afac37e30234146952180bb6b6623
SHA1

384cea7328a0e4045931efe22c96775c88afd3f8
SHA256

acc3590593cab83d53de1ee765c5860594a6eb60ae7a7ded811654ee22747453
SHA512

da18729fc8b376d8b3e783d880de2ea6bcc8b34d7319a741cb54e42eeae86c88aead64961b3abe593e895e86e8172599af5f26a7671d96a79b8169f96449e405

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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2976	1948	cmd.exe	29
PID 1948 wrote to memory of 2976	1948	cmd.exe	29
PID 1948 wrote to memory of 2976	1948	cmd.exe	29
PID 2976 wrote to memory of 2856	2976	rundll32.exe	30
PID 2976 wrote to memory of 2856	2976	rundll32.exe	30
PID 2976 wrote to memory of 2856	2976	rundll32.exe	30
PID 2976 wrote to memory of 2856	2976	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\hellokitty\NTRUEncrypt\autogen.sh
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\hellokitty\NTRUEncrypt\autogen.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2976
- - 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\hellokitty\NTRUEncrypt\autogen.sh"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2856

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
78887fdc2992af55b3d0df64f01f14f4

SHA1
8c0a70b5e3805babc00da8966807fbdb3029629a

SHA256
b66c1183ba9aea8edc30c2568fe14841d5fca79f748b28347d50a8c0ebc92bac

SHA512
1022007e2ec5834ad3415d2067bd8198d468d58452b469b491b5de31ad50674573f6ab5cca9e86ecc0ec8582c9ce5d8af55e784a5ef4bf2647dc2904c7d57d03

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