4fd29e393c3b38ec8a90ff126bc692ead3a4b56e1269fc0d242a8cbbf25fa7fd

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 20:37

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General

Target
Quasar-master/.github/ISSUE_TEMPLATE/feature_request.yaml
Size 699B
Sample240417-zees1aeh4s
SHA256 54d6b90956d171201843b23d3cb20582bd44e37d810bf4411d41cf6c8e5aca01
MD5 6a6ee426b58b82cd4840bf2c65e2b749
SHA1 9f43baf841749f9b6bc7e7ba52ef4ac3894280d9
SHA512 0ff7c6179d8e67c4482305d2ccad6732432b1740beefd87858ecee85732f374d391d9e73113929d1029586e1d336d3f5a2bb7acfcd2aee3d086b93fa257f383d
MD5 SHA1 SHA512

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.yaml	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\yaml_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.yaml\ = "yaml_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2848 wrote to memory of 2396	2848	cmd.exe	29
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30
PID 2396 wrote to memory of 2568	2396	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Quasar-master\.github\ISSUE_TEMPLATE\feature_request.yaml
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Quasar-master\.github\ISSUE_TEMPLATE\feature_request.yaml
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2396
- - 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\Quasar-master\.github\ISSUE_TEMPLATE\feature_request.yaml"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 47b6b56b342369dd41dec61818b3dc0d415c283459923e5ad2ccb02f0aa216fd
MD5 afd323066426b0b04474bf2849881194
SHA1 41799aba115268e8778b72d7dce794b6a98b0381
SHA512 3cceda08f76b7b53cf548604c487fcda566fde735143118034c4b43f6fd3bde1f8b0e5b40a4f4e9f70ff9bb3a392ec80d689510ddeecf6539cd59165ae4f89bf
MD5 SHA1 SHA512

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