d2cb57943c00981fa9bafbc42d3d2c1997b08e9d3055149698b0e21a38e0b199

Analysis

max time kernel
89s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 19:08

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General

Target
Comet 3 Alpha 11.1/bin/CometAuth.dll
Size 6.5MB
Sample240527-xtklpaff76
SHA256 889f610c5649c0ac86f46602924664498fe8e2e1192d3a5493fa9155dd83567d
MD5 7a21a89c3e28d4c8c712690739b5ff35
SHA1 6dd182a330dc64ef95aa1dcb1727081de7de0452
SHA512 dae105296a5b96b99e01a49c93b39108e3a0e18d7a182bb88330c6e183fe8db8e99e1df8feb76ff118144953139bb8b062d57ca90dcf1ea4882dc6d6c55d3461
SSDEEP 98304:A5FQSgfIc/Y8m4poc/6ekDwHv65b1AAkNfYQV5n6/1nmHoGvl1/SVWdwY:i0I7V8o86jwHCh1nkNfYD4HHt1q8d
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4392	rundll32.exe
4392	rundll32.exe
4392	rundll32.exe
4392	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 4392	5044	rundll32.exe	78
PID 5044 wrote to memory of 4392	5044	rundll32.exe	78
PID 5044 wrote to memory of 4392	5044	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Comet 3 Alpha 11.1\bin\CometAuth.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Comet 3 Alpha 11.1\bin\CometAuth.dll",#1
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4392-1-0x0000000074010000-0x0000000074A84000-memory.dmp

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memory/4392-2-0x0000000074076000-0x00000000743F7000-memory.dmp

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memory/4392-0-0x0000000000870000-0x0000000000871000-memory.dmp

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