ed715b45f2adde782057f31e74084d56c0081518bf06767f0a67199313563b92

Resubmissions

08-08-2024 06:59

240808-hr9epsvbme 10

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-08-2024 06:59

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General

Target

source_prepared.pyc
Size

173KB
MD5

5eb9556f71ad7a1d597814eb0f8ca100
SHA1

f502f7c9d3a69dad168a2003b4649ee8d3a36030
SHA256

bc31f518ea8791ec9f733164a4005074c032dcfcc45083d3ee4b092076af5e1b
SHA512

f003dccdf0f61568efd196d02b8072aafe2121b3305153b3e3e892fb9de0e5e0501dd0e11b0ece8155ab50f8bac7afe71f760bfc8a74ac23c1d6ac2d4fa3c7e2
SSDEEP

3072:Cr+NQ0aOOAYI1PcsEo0PZTJ0pZyScWaQV+kTIvdXzHsTWu:CraQ0aOOAYIlEovpL9EkesD

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-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_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-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2772	2932	cmd.exe	31
PID 2932 wrote to memory of 2772	2932	cmd.exe	31
PID 2932 wrote to memory of 2772	2932	cmd.exe	31
PID 2772 wrote to memory of 2680	2772	rundll32.exe	32
PID 2772 wrote to memory of 2680	2772	rundll32.exe	32
PID 2772 wrote to memory of 2680	2772	rundll32.exe	32
PID 2772 wrote to memory of 2680	2772	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:2932
- 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:2772
- - 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:2680

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

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Downloads

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

Filesize
3KB

MD5
5903a7bd72a4188c50d5484d834617b3

SHA1
b30717d8e020b24579c790aec26dee032f8a16b9

SHA256
a20db51eb2a1d031d40ffc102b86bdcca5beba512e4690ce8ff69d2f900165cb

SHA512
fa62fa5dbe8626a814e59acf95789e4ba8e452dabebc3a1920cee3d0eca9d4450016f084db07d04476a3bea3231a73abe5bcee5b11ec8c8368ec70062ee21a18

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