860d6b2845753825169279e1295c61fe9b6fb05ef41d93844ef8cf9272337869

Resubmissions

11/02/2024, 19:37

240211-ybwrnsah4s 3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 19:37

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General

Target

pack.mcmeta
Size

116B
MD5

7e80208940579a331a3c57ace208318a
SHA1

d42138565295ebc04825750d54519fefdfd5c06c
SHA256

d63fe03517b28023a3e78d97ce6570ca96b3733c6086b74c0f590047ed4f9c02
SHA512

638378e7f57e1876686bce513ec25b0705663ad9378579374dd408cf97f64bd1521d5c6edfd7dfdc3e887ee76dad8581e070fd2735cc203167809b5f1bc570b3

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-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.mcmeta	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.mcmeta\ = "mcmeta_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mcmeta_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3016	2928	cmd.exe	29
PID 2928 wrote to memory of 3016	2928	cmd.exe	29
PID 2928 wrote to memory of 3016	2928	cmd.exe	29
PID 3016 wrote to memory of 2664	3016	rundll32.exe	30
PID 3016 wrote to memory of 2664	3016	rundll32.exe	30
PID 3016 wrote to memory of 2664	3016	rundll32.exe	30
PID 3016 wrote to memory of 2664	3016	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pack.mcmeta
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pack.mcmeta
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3016
- - 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\pack.mcmeta"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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
59e6161cd5b3ee19511cd1039268ba9c

SHA1
bf9946f312d6c7db3665d647859070fcd726b148

SHA256
b4b68dab7f01056fc794b902f5a0b42bb95dae8a52469bca9aafa1cdc0ba3ede

SHA512
6ff84d0fb4ca1cc0e4a17afc04469d51473c68c9b4dabc03fe1f28dbbc22b6df04e7987b0b8bbd39726a11a64d73b9afb94950feeb0361f6a420286eb4afb9a6

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