519ad11288a07081daec0243750492d5b4333ebbd772b5ac5123d487e8aff031

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12-08-2024 16:01

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12-08-2024 15:48

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12-08-2024 15:33

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 15:33

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General

Target

source_prepared.pyc
Size

180KB
MD5

d369c714784ef9a0997cc1f96684783b
SHA1

abb93c00507d16ad2b69c58419658e68a1d60b0b
SHA256

54d791d5af261958556d47142bee29ca8c1de92e7ea3b9cd1def67e0b5ff8413
SHA512

1b1da9ff31bd4c70f1729d9ba6550deae07b523878374082ff5a3fe7e5e854b9c4ab8c5defbe95c43cf29cb1ed4303a3452d3902515a74430a23a11f9e86f5df
SSDEEP

3072:UoLas5A9M2YGoFPEtelZN+thZaCSc1gbdXhCknW:nWsMIGoF8cN+rZaCSWgbdRCr

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-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_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-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3012	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3012	AcroRd32.exe
3012	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1716	1916	cmd.exe	29
PID 1916 wrote to memory of 1716	1916	cmd.exe	29
PID 1916 wrote to memory of 1716	1916	cmd.exe	29
PID 1716 wrote to memory of 3012	1716	rundll32.exe	30
PID 1716 wrote to memory of 3012	1716	rundll32.exe	30
PID 1716 wrote to memory of 3012	1716	rundll32.exe	30
PID 1716 wrote to memory of 3012	1716	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- 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:1716
- - 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:3012

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
f1e9ea949d1def32393dc0f76fb8163d

SHA1
fdd9c268f199e8b03571494a4365a5012b45e0a0

SHA256
02b438390c5a125c27621833f0040249adf427cd17b441a13e3beb1d6b755f1f

SHA512
c6c7af636c6d9b7cfea550e3620e0634c39a287dd962e824b32e18c03563468be4c178ff6cc5d42e4e794afed2f99f1217e46b8f1b4acf125ee448ea17958b98

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