5fba92b48687b8cbaf19410ed222c6a77443bb146ffbcdf432c7d59381ca1567

Resubmissions

21/04/2023, 18:11

230421-wslxpahc47 3

21/04/2023, 17:23

230421-vylnfaha68 3

21/04/2023, 17:21

230421-vxcddaha62 1

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/04/2023, 18:11

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General

Target

AppxSignature.p7x
Size

1KB
MD5

ff363a8643bf14f5880c92ebabe873bf
SHA1

5900c9eadb831d0555ea26a77d988e60be49fd51
SHA256

4ab1dbae2e034cae492e3345d619d5b86e99db02b9b251b19f6f0f5f1dc54f7d
SHA512

906db6e23b159832d30d278c92b78fdb16df9d85a42fa6ffb14a7f059c7dfc13f83119013f44f8bcbff6027f2a40903bacc0ca5d6fa8b5b2864328bfefa75e04

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.p7x	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.p7x\ = "p7x_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\p7x_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 856	2028	cmd.exe	29
PID 2028 wrote to memory of 856	2028	cmd.exe	29
PID 2028 wrote to memory of 856	2028	cmd.exe	29
PID 856 wrote to memory of 1756	856	rundll32.exe	30
PID 856 wrote to memory of 1756	856	rundll32.exe	30
PID 856 wrote to memory of 1756	856	rundll32.exe	30
PID 856 wrote to memory of 1756	856	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AppxSignature.p7x
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AppxSignature.p7x
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:856
- - 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\AppxSignature.p7x"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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