3ea350fa6916e36ba67a8a17a347bb89ab2567120eb9af4cf6648c1809711274

Analysis

max time kernel
1202s
max time network
857s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20-07-2023 05:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1d81c09d8249410587ae.zipac
Size

276B
MD5

07cc0a9b8fbd7ecaa4aed12461ac8f31
SHA1

6177af24bfb2b6aaffe216acb981450d3864d1c7
SHA256

24dc856ba05fad4ed61f8036f069fd64923b93a644e634cf96384a787080cb1e
SHA512

18dbeb3e57c5219e5b09f3ffa851dc245141c5f979ff9938894a3f10cfa44ce90a2866c7d8f98d28993adcf400b1c75255e247cb79881c63a66648403a10c9ef

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-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.zipac	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.zipac\ = "zipac_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipac_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2356	844	cmd.exe	29
PID 844 wrote to memory of 2356	844	cmd.exe	29
PID 844 wrote to memory of 2356	844	cmd.exe	29
PID 2356 wrote to memory of 2820	2356	rundll32.exe	30
PID 2356 wrote to memory of 2820	2356	rundll32.exe	30
PID 2356 wrote to memory of 2820	2356	rundll32.exe	30
PID 2356 wrote to memory of 2820	2356	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipac
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipac
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2356
- - 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\1d81c09d8249410587ae.zipac"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
cc7988eb8b68db10aa98dcf8cb8cd9a5

SHA1
8c7622238531b8304cc9847425d65a9823be7ca0

SHA256
abdbf2d29026bb90de6fd8ff64ec67e52092f2ee28a1311b2babbc2b65c4c62d

SHA512
346f64a0e28ef57616acdb643cd907b4d51e7a8c6b6dde19a7f5e088bc28f72e1d96ba5fb23e0b364d2fba6b7f1d99bfecd13821a86f70e45dc12f9cab16a2d1

Download Submit