a617db081ad3b096a3c3255b06fb0b2eec1dfa570b06792be575f38c29199e90

Analysis

max time kernel
151s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 10:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

copy_reg.pyc
Size

5KB
MD5

9131bcc5ebe103546f257340d46bea53
SHA1

2d7bbbc8d3e7095cfebebe27ac2d9bc20acb37ef
SHA256

aa95b3eae84b84e3cf63f65737b120aa69394bc8f91d7a6a0e11fb56da12aee0
SHA512

1a5223abb04f73df775692a43e16bed606daf3736b75ccdeaf90e898a3856c5723878b7b492e19a1858844280bd9cbdab1bbea1af581a003ac0e515a3b78eb5e
SSDEEP

96:U1EMLsP6SyZ2Ozlye0mpiMzkWaIoB0jkvfq1Td2wLHKnT4mIT2zHCTLRaLfhb:BcsCBDv1oRnmjYfe2SHKnT4mA2zHCTLW

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

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2024 wrote to memory of 2872	2024	cmd.exe	29
PID 2024 wrote to memory of 2872	2024	cmd.exe	29
PID 2024 wrote to memory of 2872	2024	cmd.exe	29
PID 2872 wrote to memory of 2720	2872	rundll32.exe	30
PID 2872 wrote to memory of 2720	2872	rundll32.exe	30
PID 2872 wrote to memory of 2720	2872	rundll32.exe	30
PID 2872 wrote to memory of 2720	2872	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\copy_reg.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2872
- - 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\copy_reg.pyc"
    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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
bcf007d31979e1b4c6e3ee88a263c33d

SHA1
089cc45dd33cfbd8f391f2e9f731f780ff9f5e57

SHA256
24a701eefed6563034546cd235ccec2f03593854f3442746ebd93c3a30e1ed46

SHA512
70c34517f147c51b858196975517c277d92f48b28c2b3c925b512cf8b258e591cfe1febd84c02108b41ae76cc1572e641cbed4c4f0d29103209df15901586403

Download Submit