3f11607816cde93d7326ff75abb91ca98e125d347d18307d64924fdeb906d7e4

Analysis

max time kernel
26s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 00:54

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General

Target

main.pyc
Size

7KB
MD5

78489839062807a0c0afc709bfebfa7c
SHA1

c9d0630d7454c908b96423d5eab9b3534432c251
SHA256

c76a3840b0bafd88f901808ba6648684a50cf060e418bab8999e2d2473417e32
SHA512

1f9c559119ea059ec91e8c0585325516e01143bea91413bc94429b5c481b429dca98fe8c6c6c1b9eac5a4f24d9bc2c17351e5bd9c3235ecbec5e2ed377c8c418
SSDEEP

192:w6yN3+MD8HsSWdXwNEZZMXFRJhwZ6qYMdwN4nw:q+lWuNLZ28qYPyw

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_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
2528	rundll32.exe

Suspicious use of FindShellTrayWindow 36 IoCs

pid	Process
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2528	2536	cmd.exe	31
PID 2536 wrote to memory of 2528	2536	cmd.exe	31
PID 2536 wrote to memory of 2528	2536	cmd.exe	31
PID 2528 wrote to memory of 2752	2528	rundll32.exe	33
PID 2528 wrote to memory of 2752	2528	rundll32.exe	33
PID 2528 wrote to memory of 2752	2528	rundll32.exe	33
PID 2528 wrote to memory of 2752	2528	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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\main.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
4a258981009ef578860c20c12970f264

SHA1
a690b90d972e4ae377a37dacdc4e8cc3bb0491d3

SHA256
613dbbc2e691bb976e03b35a7741e271bec78f46dea8097d8ed46db5e49cea2f

SHA512
de0a6b43461f5119d31ca259d6cbcaee7a0e3e397f1699a00b973ce6dca52d0959652ab1a4f033fce0a3676cc075e03320c90e09622ccb356d655992fcba6ee0

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