8a78fdf56fe352e39b804faa5f544db35694ea6d0d46297d52bb66986604ab15

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16/07/2024, 07:53

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General

Target

Creal.pyc
Size

105KB
MD5

33c413274d516b542d7372f3b5d09eaf
SHA1

cad7903b7819be3e029c59b7b99de195d1f7ffcd
SHA256

e257b0f127b87920205378556cbdede58dd72064d73835f1c8335a930416a042
SHA512

7abcbb6472e30ed9fe31ca5aa08036c948d58983d2942b3b971fb76d62ee1c6effce16cd3c3246093f52cc14ecee2a641830751bdcca9d8cf6b5f1e43ba2876e
SSDEEP

1536:oSreO/J2vY5DA1y5ZvbZb8y0M5V49pCJlkpMkEQQU5Eyk7:oSCO/JYM3vbulrCJlki4j5Eyq

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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2248	1724	cmd.exe	31
PID 1724 wrote to memory of 2248	1724	cmd.exe	31
PID 1724 wrote to memory of 2248	1724	cmd.exe	31
PID 2248 wrote to memory of 2764	2248	rundll32.exe	32
PID 2248 wrote to memory of 2764	2248	rundll32.exe	32
PID 2248 wrote to memory of 2764	2248	rundll32.exe	32
PID 2248 wrote to memory of 2764	2248	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Creal.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2248
- - 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\Creal.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

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
ef84f98c1b1b27d3f91955f3884195c8

SHA1
cc88c7375658e17c61f6cbd09df0e1b4615abc65

SHA256
6efe6e816d6f43d180cffbac3a0df1954323e758ffd123c02e7cc3e92143bd05

SHA512
b9f18da9120d15b3541bc009d8d5d2197d837c4ecf2eb4b4d7551ffe48b79de8ab495308e3f0c98b455dc3d7bc487e8994225d7f0a345eb45e60e9f87b885b9d

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