c015f2732beac7532552b3b4f58c07b89743484afacf27287cac5e48cc83e3aa

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-de
resource tags

arch:x64arch:x86image:win7-20240903-delocale:de-deos:windows7-x64systemwindows
submitted
19-12-2024 16:37

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General

Target

source_prepared.pyc
Size

185KB
MD5

b38741010604c31300da52d2f12644bd
SHA1

e9ef16e6e94ebc8340d4045f34c0ec498cb71a0b
SHA256

93b8b3ae10de098a1042bc3be00f9e8ff6c0def6466e4f001824250e102ae1c7
SHA512

801bbe94182df0ab91c116ff3db5186eb4fa7e65c7f0f5a3483a5171e8d417ce7db1042b3ea2d15c2ccea917f9340e53083e12c28842c693453197c68c325e5f
SSDEEP

3072:wTDaLa+/4A9M/2CYolPEtelZN+tVZaftogjHBuCkn0:wT2W+/ZuYol8cN+7ZaftogjH8Ch

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-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_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-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2328	1672	cmd.exe	31
PID 1672 wrote to memory of 2328	1672	cmd.exe	31
PID 1672 wrote to memory of 2328	1672	cmd.exe	31
PID 2328 wrote to memory of 2824	2328	rundll32.exe	32
PID 2328 wrote to memory of 2824	2328	rundll32.exe	32
PID 2328 wrote to memory of 2824	2328	rundll32.exe	32
PID 2328 wrote to memory of 2824	2328	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:1672
- 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:2328
- - 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:2824

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2872

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
ae6dfaba226903ecddb57ed2d074cc6f

SHA1
aee092106f60b0e9f802235e918f45594d47a71e

SHA256
6351dbf3f2dc98202a61a19a546b0fcdab71f49cf6942c368560cec2d105255d

SHA512
aaec5a4f55bee53fe8b7980d0b14fc7e9dd5518f3924506e92e009c7b12b9cb399d57222c2b8171c99c388f435e098c7bdb309c8bfa17a1d01c5238554cefb22

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