6287c1d00f8e1777bd47c273c7dea2438321a5147aa0b9d722a8671718701cc0

Analysis

max time kernel
102s
max time network
24s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 22:24

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General

Target

IDA/til/xnu_6153_x64.til
Size

1.2MB
MD5

9c86777db6846be6bff9d3ea3d848e32
SHA1

5c1821de71247a306e88c34e1fe2256dc543c064
SHA256

09403d6e4f61329bd5a6502331f84e447e0ec830ffd17ef0694d6e53b04eebeb
SHA512

4498650ec3b76453921799f7d003cb02961ecbc3f34aa8a043d2512776ee0a938278126b3f1d9bbb396a14936283c74375147871617da15e394b40be9f7521e0
SSDEEP

24576:6DaeNUaXuM3PSzgW8lhKMjVn6Dap6dBorhf3/mTrzUqs8jmE6FTRJ0cgxdU:caeNUaXj3DrVn6NdmhfvZlRapU

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.til\ = "til_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\til_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.til	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2788 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2788 AcroRd32.exe
2788 AcroRd32.exe

pid	process
2788	AcroRd32.exe

pid	process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1616 wrote to memory of 2100	1616	cmd.exe	rundll32.exe
PID 1616 wrote to memory of 2100	1616	cmd.exe	rundll32.exe
PID 1616 wrote to memory of 2100	1616	cmd.exe	rundll32.exe
PID 2100 wrote to memory of 2788	2100	rundll32.exe	AcroRd32.exe
PID 2100 wrote to memory of 2788	2100	rundll32.exe	AcroRd32.exe
PID 2100 wrote to memory of 2788	2100	rundll32.exe	AcroRd32.exe
PID 2100 wrote to memory of 2788	2100	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IDA\til\xnu_6153_x64.til
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\IDA\til\xnu_6153_x64.til
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2100
- - 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\IDA\til\xnu_6153_x64.til"
    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
230263ecd69a7f4bf24429c72a898ecf

SHA1
26b9555d197c789b43dbb6fe0b02a558eda074f1

SHA256
927c6644f802ba651b85b0b7d1f5c6ee0a8537657cbfc834a5799b46b1ab64e8

SHA512
69005526a42a05e7ed29665c988bf57fd0b2e608b2bfddd0df44397feb686659a6afe6c131e639933763cecfe428ac2cb2f418395dcbdd43a18d21ba2ef8c513

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