76c0fea917bcfdec6d57d1f4efc89dea7eadc6f2d02cfd0c3bef0f68284b1c7d

Analysis

max time kernel
103s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 15:33

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General

Target

me/vagdedes/spartan/a/a/a/a/c.class
Size

3KB
MD5

35b1a97cdc053f8eb66232f44237c4ab
SHA1

1173bbe154f40716c88060a0d56e8c641da2e104
SHA256

49d09f03885fe0689840f37887237dfa062bd886139d969612b3fe0adbf48810
SHA512

21fe10f8d724396d73b974a216507cd0ca13da2fec3364922b146dd3fb11a7f261e77c50aea7a70b1d3b51adbc11d4b1932e89ad8993b0890c92f5cace64272d

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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.class	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\class_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
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2800	1292	cmd.exe	31
PID 1292 wrote to memory of 2800	1292	cmd.exe	31
PID 1292 wrote to memory of 2800	1292	cmd.exe	31
PID 2800 wrote to memory of 2716	2800	rundll32.exe	32
PID 2800 wrote to memory of 2716	2800	rundll32.exe	32
PID 2800 wrote to memory of 2716	2800	rundll32.exe	32
PID 2800 wrote to memory of 2716	2800	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\me\vagdedes\spartan\a\a\a\a\c.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\me\vagdedes\spartan\a\a\a\a\c.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\me\vagdedes\spartan\a\a\a\a\c.class"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2716

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
4b1e46a046eac458525d073a606367b7

SHA1
f0d0411436c8aec1163ce7b4f5e14bcf58474c4b

SHA256
f1748ca5d2baedc03b4a50c77f84f4923162600b2e935b10e708a0cf38b649b7

SHA512
c05d3097ece0012d21fc69db61075541d719c3582427f6aa0dbd1c6b4331ea20911d05c831e3739919af29df7dcd7d3fe7c2ce29f7607591a677ade487f1e294

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