6287c1d00f8e1777bd47c273c7dea2438321a5147aa0b9d722a8671718701cc0

Analysis

max time kernel
117s
max time network
136s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 22:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

IDA/til/xnu_4903_x64.til
Size

1.1MB
MD5

56f73a3589cb48b0ca57ee01f078e371
SHA1

ab363b65507d2f8936cb97d7ca52e8c1d249d569
SHA256

8d29d7aa3093574a96aaa229d139d70f11b01c70f363780ec4b089d4aabf935c
SHA512

17fe507217e11e197514cae76de065ddb81fce3d056ce215aa1da49c08d3569b000bdb480c706b17e3a7f50bf5fee793aac61983a5894148f4374fa59b682484
SSDEEP

24576:jzUmS9QbOKgzFvzR3xQCMYUKdMxRuhDDFNHaM3CAtN:0N4gB7Q6MxchZyA3

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-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.til\ = "til_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.til	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\til_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
2792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2176	908	cmd.exe	32
PID 908 wrote to memory of 2176	908	cmd.exe	32
PID 908 wrote to memory of 2176	908	cmd.exe	32
PID 2176 wrote to memory of 2792	2176	rundll32.exe	33
PID 2176 wrote to memory of 2792	2176	rundll32.exe	33
PID 2176 wrote to memory of 2792	2176	rundll32.exe	33
PID 2176 wrote to memory of 2792	2176	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IDA\til\xnu_4903_x64.til
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- 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_4903_x64.til
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2176
- - 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_4903_x64.til"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2792

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
8173a88f37c74fcdaf02f652d5359d53

SHA1
6d787bfde221ad49929821e7a627816e66ebfe9d

SHA256
a400def4eb3d01273dc9376169f2be17fd56794740d871b0dbf0ab79baa30daf

SHA512
fb640061667ea54df58ed7d415f0234425228fbfd23e2e8b9e2900f43d384e109d66ef2c032565320bbb0f4a05c51fbf1a807d44dd46727f90a10965da839fe9

Download Submit