parallax | 05a4408dde667582f0c04b49264be872c5502499814530d3e1880fc403e09a9e

General

Target

0x0004000000004ed7-39.ps1
Size

894KB
MD5

15f6043283bca82a89fe8bfe9437d95f
SHA1

e095820f8ef5a81e6cd6d8769d10196fb95a815f
SHA256

05a4408dde667582f0c04b49264be872c5502499814530d3e1880fc403e09a9e
SHA512

dc1587897e8e0dc73bf422a2edf5c50b351b2480b84cac419fe70b5af4a2ac42b5a2d4761af24da3366675c5cc39fe3173694c1b0a6f516fd6d4b3537634666e
SSDEEP

24576:D0VOCg6fsQsenEYTHKRCXT4QmeL3eGdYTz47btorrG:E/trTq0X3/Om

Score

10^/10

parallax discovery rat

Malware Config

Signatures

ParallaxRat
ParallaxRat is a multipurpose RAT written in MASM.
rat parallax

ParallaxRat payload 12 IoCs

Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

resource	yara_rule
behavioral1/memory/1216-21-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-22-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-23-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-24-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-25-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-26-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-27-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-28-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-29-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-30-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-31-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat
behavioral1/memory/1216-32-0x0000000000400000-0x0000000000775000-memory.dmp	parallax_rat

Executes dropped EXE 1 IoCs

pid	Process
1216	winlogon.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1216	winlogon.exe
1216	winlogon.exe
1216	winlogon.exe
1216	winlogon.exe
1216	winlogon.exe
1216	winlogon.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2780	powershell.exe
2780	powershell.exe
2780	powershell.exe
1216	winlogon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1216	winlogon.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 1216	2780	powershell.exe	29
PID 2780 wrote to memory of 1216	2780	powershell.exe	29
PID 2780 wrote to memory of 1216	2780	powershell.exe	29
PID 2780 wrote to memory of 1216	2780	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0x0004000000004ed7-39.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\winlogon.exe
  "C:\Users\Admin\AppData\Local\Temp\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\winlogon.exe

Filesize
670KB

MD5
55c7be4330887d76e753be2cbc2e0cf9

SHA1
9241c8ff194463057f75e47113339b9958b28151

SHA256
c148faf2e25b7b05e3d9e960a84014a6de63d96b37313b00017851d57de817d0

SHA512
8a0797ede983ee0639ec56f38f62d4059e0885a1114d1c3dba34331685c309c2e9e76247c2e432565c4d032dfc03a2e31576cf4cd93bc30064e61d1669a66dbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\winlogon.exe

Filesize
670KB

MD5
55c7be4330887d76e753be2cbc2e0cf9

SHA1
9241c8ff194463057f75e47113339b9958b28151

SHA256
c148faf2e25b7b05e3d9e960a84014a6de63d96b37313b00017851d57de817d0

SHA512
8a0797ede983ee0639ec56f38f62d4059e0885a1114d1c3dba34331685c309c2e9e76247c2e432565c4d032dfc03a2e31576cf4cd93bc30064e61d1669a66dbe

Download Submit
memory/1216-27-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-24-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-22-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-21-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-31-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-30-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-29-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-28-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-23-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-26-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-32-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-25-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/1216-19-0x0000000000400000-0x0000000000775000-memory.dmp

Filesize
3.5MB

Download
memory/2780-8-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2780-9-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2780-20-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2780-4-0x000000001B320000-0x000000001B602000-memory.dmp

Filesize
2.9MB

Download
memory/2780-5-0x0000000001FB0000-0x0000000001FB8000-memory.dmp

Filesize
32KB

Download
memory/2780-6-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2780-11-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download
memory/2780-10-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2780-7-0x0000000002810000-0x0000000002890000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing