9d8763451c2bd900dbf10e3cdb16132ec706b8e13dbd563aa15835d5b2d8cc4d

Analysis

max time kernel
121s
max time network
135s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-08-2024 04:06

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General

Target

resources/app/src/ads.ejs
Size

1KB
MD5

d7f2205fb3ea4fc29629fd16cc13e42e
SHA1

ac4addc19bdf3f56a2b2aa0b8e5a2b2d459b209f
SHA256

828df948e8dd1e0fc2a88511fd1f59568a97fc2c3626152e574e5f31c89ff5e8
SHA512

6ff7cbfb366642d6b1ce5ce15f335b27a8f500341bb059f6037d50409c071d9ef8a735c447a876bd986f4902e377a773b9e41e09d7d433b8365a5049a689bf3a

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
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.ejs\ = "ejs_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.ejs	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\ejs_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
2720 AcroRd32.exe

pid	process
2720	AcroRd32.exe

pid	process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1152 wrote to memory of 2168	1152	cmd.exe	rundll32.exe
PID 1152 wrote to memory of 2168	1152	cmd.exe	rundll32.exe
PID 1152 wrote to memory of 2168	1152	cmd.exe	rundll32.exe
PID 2168 wrote to memory of 2720	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2720	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2720	2168	rundll32.exe	AcroRd32.exe
PID 2168 wrote to memory of 2720	2168	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources\app\src\ads.ejs
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources\app\src\ads.ejs
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2168
- - 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\resources\app\src\ads.ejs"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
b8f24b28298a5ac5f52c198a57ceda1a

SHA1
877f8b751f66cc1418a1e02941e18328ec6c5494

SHA256
619a49f9346b95839c56fa5aadc017ef3385aed038877b7d64ca9fd16f1ce8f5

SHA512
0b6daa9e1a47cb578cf90400c0014662c3d057138fd139819911ad472be962c3c41ff507391af01ee6628fcbbcf7989d1cf14331d9016aadeaa6330f12300f19

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