b749cc75224a853c131eb41664ea2491efc9b4cfa2d7b51b944d1ae3278a7aee

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 04:59

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General

Target

tools/instantlogin.py
Size

913B
MD5

c8b8b9f4a0874516ececba31711fe54a
SHA1

bac1ba3efade980142cb7b648e2acd60d7b86754
SHA256

e0ad2548c39fac1f4dfb8250b5fcb818ea255d017cb25375cd37f31e314e51e7
SHA512

1f5ccae0abec4e24d6f52ccc5b0bac284d248760eb3148e33ec4afe703d4d817a4d8d955e0575da9dfe6fbb49c2ccef101ed66adc3be3c46c060dc5cabe0affd

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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2760	2684	cmd.exe	31
PID 2684 wrote to memory of 2760	2684	cmd.exe	31
PID 2684 wrote to memory of 2760	2684	cmd.exe	31
PID 2760 wrote to memory of 2788	2760	rundll32.exe	32
PID 2760 wrote to memory of 2788	2760	rundll32.exe	32
PID 2760 wrote to memory of 2788	2760	rundll32.exe	32
PID 2760 wrote to memory of 2788	2760	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tools\instantlogin.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tools\instantlogin.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\tools\instantlogin.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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
745c4edaccd8ba780053ed4289fcf555

SHA1
675a516480a6396bafc0027e936d854812431b0e

SHA256
a7da6d0acd1365bf99a005d6925640c806c6fbd14881e5d701c58815b282adc6

SHA512
ccc4ba230644edcf9f722360175f7fe5c51a5524a7e01ba4e2ff01fd915208fa50036fd7898ca614c1a2621cfa8c7b2109b82449a652d6581bd3a2f5d8a26dd9

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