66262cd24479f4ad1812508bc71ddc21ea04b168ecf7ca8ca942459e1bc6b1e6

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30-08-2024 17:58

240830-wkhv3axbkh 8

30-08-2024 17:38

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Analysis

max time kernel
102s
max time network
21s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 17:38

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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

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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\sources_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\sources_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.sources	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\sources_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\sources_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\sources_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_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-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.sources\ = "sources_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 2900	1576	cmd.exe	31
PID 1576 wrote to memory of 2900	1576	cmd.exe	31
PID 1576 wrote to memory of 2900	1576	cmd.exe	31
PID 2900 wrote to memory of 2976	2900	rundll32.exe	32
PID 2900 wrote to memory of 2976	2900	rundll32.exe	32
PID 2900 wrote to memory of 2976	2900	rundll32.exe	32
PID 2900 wrote to memory of 2976	2900	rundll32.exe	32

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:1576
- 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:2900
- - 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:2976

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
c42cdce7af0f2fa5ad072a382c087c83

SHA1
48416e99856f69828e8d137374c71bc1dc9b0254

SHA256
82e08775c3b90cec53af057439671a47b51d21957e3ccac5d6bcf7801a8d57b3

SHA512
c83e5ef0ae27ceaf710cb13ca4fb096de9e6e60046aff922f9e9f8aa7b0a958b16eed1e65ffd41bdd4b14032484e4bf68d88d2b55dd091d858fdacb639a6af70

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