0195820c6d2dc71dfb693725d320e3440805025d732fe49963b5aa3011f58c53

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 09:42

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General

Target

main.pyc
Size

27KB
MD5

87291c0bb0f358dce3aee8b0f98aad85
SHA1

b6956858290573b381fd53c998c879225dc62380
SHA256

f8834a68955fe88ef04640974bca8f92a6edfb1c093125c2e37a55200f2e1fe1
SHA512

d2fb45373e23531f44a6972da0607afc89e36783787ba868178216f81caddec446634db83ce2810c4ccfab7748e481066f19c8fc4908e65006245a4f258ac43d
SSDEEP

384:oMms1vyDZLknYt88IGzJKutPvYurnsPYh3ntz+NoKVWdtC5ilnYVA0pzNJdR3Z+a:Lms1vWyGVKemYh3t4oKV+tC5C0flZ+L2

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_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-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1988	2616	cmd.exe	32
PID 2616 wrote to memory of 1988	2616	cmd.exe	32
PID 2616 wrote to memory of 1988	2616	cmd.exe	32
PID 1988 wrote to memory of 2924	1988	rundll32.exe	33
PID 1988 wrote to memory of 2924	1988	rundll32.exe	33
PID 1988 wrote to memory of 2924	1988	rundll32.exe	33
PID 1988 wrote to memory of 2924	1988	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- 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 use of WriteProcessMemory
  PID:1988
- - 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 behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2924

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
ab71a293a3741d296b2ee59fa6129d3c

SHA1
4f49e4249f871a5136d546374243a7d89fb2d4ac

SHA256
096fdba5739ae8639268f6551f8960bee3a92c8bede3aa415db0f743c761e5db

SHA512
dbc6d682449e439a9a1d27266823fd7c85c29f1ab56b2bb642f2077e58ff4b57aa13d5eb36ff72b8eda3b0f2ed4983d0ca8e7eb90746e7c57a1f1363b949dbb7

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