601a5853fbe96c1d11fec29a95dc9efcef2f457a8915e183c789f71848786bfc

Resubmissions

19/11/2024, 15:13

241119-slznesybpk 3

19/11/2024, 15:10

241119-ska9faxelg 3

19/11/2024, 15:07

241119-shdxjsxeke 3

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 15:07

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General

Target

Yeis 1.5/Memory.pdb
Size

23KB
MD5

dce4ea54b001f60c0744148c61af4a99
SHA1

70bc0804e74b3e7e90e34bc267a64cf85f75d840
SHA256

949ee498d287730d56aa0837cf6c200f0f58f013ed1658501f23a807e3d122fc
SHA512

29b78ec39802ae44aed1a9acd0f21c4dac0c08096ab0949b1fe776838f996426611682abb60841814b4dd39e571211c59b3304d98cc99400894b2909a2575fef
SSDEEP

384:29hS7I9z8mvxTYfPI6jMai+NLy5nj4SCm5Mz6QkOAHOuXch8VLwhOGSQIjj1DI6v:0RxcfPJToOwu6n7zGSQIjj1DI6xRjW/0

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3068	AcroRd32.exe
3068	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2700	2156	cmd.exe	31
PID 2156 wrote to memory of 2700	2156	cmd.exe	31
PID 2156 wrote to memory of 2700	2156	cmd.exe	31
PID 2700 wrote to memory of 3068	2700	rundll32.exe	32
PID 2700 wrote to memory of 3068	2700	rundll32.exe	32
PID 2700 wrote to memory of 3068	2700	rundll32.exe	32
PID 2700 wrote to memory of 3068	2700	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Memory.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Memory.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\Yeis 1.5\Memory.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3068

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
99904c3f54997dcba97a0dea7b8dcc57

SHA1
12db61ec7dc3f7ba2fb38d8186c61b4fd3e028fc

SHA256
ad60f8772d3ec9046528ac193d6ddb22c218af7978c4fa8eaa4f663cb24cf634

SHA512
2daf0cb2fe183fd669cbddef64e91cb55414a9e5f09636ff7e42f8aafeff9bdffb9e4999ee28aa1dbb4058762b5f8c95d54f69614fbfd6133f75db11a1eec691

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