114880dba41978dd82378f3ca0ac0084c8c9f9e15d7a1d60743d513e5a891c7d

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 13:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

source_prepared.pyc
Size

56KB
MD5

d417cf2665ea7525a7a0230638613503
SHA1

33d0c1641810a0c91268cf9f62554d51700ff433
SHA256

df1224e9226f84a21fe70cd68313d88e01bcbbbd00684a65c6c9ffe5c1184359
SHA512

ae2cb60c031b391c787cfab468f7bbe46ec206ef48b990ae4745458f1df185853bd781bb89c714aa97af0239ce06f627f8a4cb30f4e2cca9dc6039bda97a02f0
SSDEEP

768:hRVKq+o/bNhUr+kqo+E7YbI1xr/1P36gzQ/yx55A9xSXBLLAvoDu3++HaR:hRvzM+tfEVxrtLzQ/yx5maXAvoYJW

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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_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-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 2812	236	cmd.exe	31
PID 236 wrote to memory of 2812	236	cmd.exe	31
PID 236 wrote to memory of 2812	236	cmd.exe	31
PID 2812 wrote to memory of 2728	2812	rundll32.exe	32
PID 2812 wrote to memory of 2728	2812	rundll32.exe	32
PID 2812 wrote to memory of 2728	2812	rundll32.exe	32
PID 2812 wrote to memory of 2728	2812	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:236
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\source_prepared.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
2bec91ca887b66dab0caab3081e8b1be

SHA1
9d78bc0913018cb71a4d5cde968d6febd616051f

SHA256
080bcab50d3e6f487d0a60abc98528c4c230e391bce4b9b247beb4270ee0e742

SHA512
670fe03f6622c40e71d9bfd4c49478b65e48eaff1c81ac6352a765050a6101913ea6e0a303163870e4dbb54143e9513bab4ecc598b7ecef3f0e254f21abd890b

Download Submit