289df940c28b79a4a7df36df211beb87fec948bd2e1096192564902e196a5499

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 11:57

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General

Target

Creal.pyc
Size

32KB
MD5

9fde4339f5d098fa2aeb2a5bb4fd43c0
SHA1

371247fdf3b7325c9f3b28cd892eff1d1d5ecc22
SHA256

a91698a31e04a3fcc3ae58a70495ba00108c92a582ca85d93a93f92f0376750f
SHA512

e39ecd8bd5994aae703ca8b8941bfb7ac7fd4f107dc311dbffc507905e2b94c3a182f7f6b6fb8b6b29ce0fba81d3fbc1c5e5d2b502ab617f2e9cd916c759e7ce
SSDEEP

768:L8jnr/2VsfNEiyAuAfKFMrRtfqtvEwS7bnjerAroaHDsIAvN8YC06X:IDrDe3aKFcfDwS7fOPviYD6X

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	AcroRd32.exe
2548	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2660	2176	cmd.exe	29
PID 2176 wrote to memory of 2660	2176	cmd.exe	29
PID 2176 wrote to memory of 2660	2176	cmd.exe	29
PID 2660 wrote to memory of 2548	2660	rundll32.exe	30
PID 2660 wrote to memory of 2548	2660	rundll32.exe	30
PID 2660 wrote to memory of 2548	2660	rundll32.exe	30
PID 2660 wrote to memory of 2548	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- 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:2660
- - 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:2548

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
82ae5dec484584dab77f2560431fd000

SHA1
7c399e52e683d60d13c6bf68df123e6d1bfdf020

SHA256
a3f102b4f324ecb67248df67b0b62759c1f8ce08230033bafb2a34b432803510

SHA512
df8015c1760abd8e945096cebfe8ca674f2a546a1ec10173c54a8f6373f3835930d071dee65d88fd4947c41fcee914a89a9b29e24ae8a85018f61bf3494f73ed

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