asyncrat | 0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168

General

Target

0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe
Size

1.8MB
MD5

2e12b69ae7aa5d931a6aa3bf554071df
SHA1

7fa9b1642771d38916f45da8f5f00a9eacc94a28
SHA256

0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168
SHA512

e299d2fa9890b2a178ca2aa06e44e76a057a936c0987d0c59d08e9428959f75f20080cfdba5d3d86402182e9ec18818726f46bd91ebaa6c0dbe0672727ccc47d
SSDEEP

49152:ery0WqVTJeKaCr4r6z+oCvkXMuMeYghagVrmp:ernRVBasM6z+zS19T

Score

10^/10

asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Mutex

AsyncMutex_6SI8OkPnk

Attributes

c2_url_file
http://update-checker-status.cc/OCB-Async.txt
delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\NetAsGX\\PcerTX.exe\","	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2460 set thread context of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe
Token: SeDebugPrivilege	2316	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32
PID 2460 wrote to memory of 2316	2460	0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe	32

C:\Users\Admin\AppData\Local\Temp\0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe
"C:\Users\Admin\AppData\Local\Temp\0c2dd9c9b940868e85bc46857d049a057af32b8abdb93ebc6732774575013168.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2316-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2316-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2460-1-0x0000000001260000-0x0000000001430000-memory.dmp

Filesize
1.8MB

Download
memory/2460-2-0x0000000004DE0000-0x0000000004F9E000-memory.dmp

Filesize
1.7MB

Download
memory/2460-3-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2460-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2460-16-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads