92b198ccaa8e897e9d86a886c98cd03825ae6ba08f3c0b7464a318d212811116

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30-08-2024 02:07

240830-cj8wbasbqc 3

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Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 02:07

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General

Target

apt/sources.list.d/system.sources
Size

275B
MD5

eb737b727b93698f910670e5a333c91c
SHA1

750023141ccd9604610a99eca10ea4b19fc34611
SHA256

47681d0338246335b39e31fb15c7ae4680ff531513335a374acb29918eee9a89
SHA512

3c5f03cd7190b17e8a2f94ea4b4de479bcf8303853afaada9fe2a42239d6324842502b661b2a8feb207a8eab98d43d049f4fa18fd424849fa7b9b1826b698b11

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-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sources\ = "sources_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sources_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sources	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2872 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2872 AcroRd32.exe
2872 AcroRd32.exe

pid	process
2872	AcroRd32.exe

pid	process
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1640 wrote to memory of 2716	1640	cmd.exe	rundll32.exe
PID 1640 wrote to memory of 2716	1640	cmd.exe	rundll32.exe
PID 1640 wrote to memory of 2716	1640	cmd.exe	rundll32.exe
PID 2716 wrote to memory of 2872	2716	rundll32.exe	AcroRd32.exe
PID 2716 wrote to memory of 2872	2716	rundll32.exe	AcroRd32.exe
PID 2716 wrote to memory of 2872	2716	rundll32.exe	AcroRd32.exe
PID 2716 wrote to memory of 2872	2716	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\apt\sources.list.d\system.sources
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\apt\sources.list.d\system.sources
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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\apt\sources.list.d\system.sources"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2872

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
e9416b063a95496a3f09a7b5b7d52b45

SHA1
eadb07bafc28f7a1a7a4a87b62a0d45f925917a1

SHA256
2014b9837aae7f823928f55563e24ef1842ab3e02fefd96fce7b259ef097d424

SHA512
67aaa6e1f897889727859d8f78853ceef4e009f78167c2e721b00796f4cd6fae93e8989ccb9e7c4fca61aef3f1216cd9c5adbffe1245e319b861bfda08433e95

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