asyncrat | cf1cd7546ffb11e23e5827b84476e8132858ffa91d9e9bb42d2c037ed66bea72

General

Target

2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe
Size

5.7MB
MD5

cf2c045158465409ed7894c1205a0965
SHA1

ec83f34bf16b04a4153372805b4c4b85dbdc3918
SHA256

cf1cd7546ffb11e23e5827b84476e8132858ffa91d9e9bb42d2c037ed66bea72
SHA512

7d5b46283085aea14828af16b44c006f4d719145f5d3eec6d5a8c00b1ea8fabd2fa939bdc085d17be2d92c7d7f0b6e491eed74026c500c0aa878d16644b85b12
SSDEEP

49152:BKq86OpuluzvyO3p2i6uwu0xaD9Cb2jBkYhPeTnxdLeW7mfcHaxXHvhgFNRpOusj:m58CE2HSFBdOVS9Nwp

Score

10^/10

asyncrat default evasion execution rat trojan

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

C2

45.80.158.48:4449

Mutex

qeuojzelsqkk

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe

Detects executables attemping to enumerate video devices using WMI 1 IoCs

resource	yara_rule
behavioral2/memory/4296-16-0x0000000000400000-0x0000000000418000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2352	powershell.exe
4840	powershell.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2352	powershell.exe
2352	powershell.exe
4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe
4840	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	4840	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 2352	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	82
PID 4032 wrote to memory of 2352	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	82
PID 4032 wrote to memory of 4840	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	86
PID 4032 wrote to memory of 4840	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	86
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88
PID 4032 wrote to memory of 4296	4032	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe	88

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4032
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2024-06-05_cf2c045158465409ed7894c1205a0965_megazord.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2352
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mgkx2gng.h0r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2352-6-0x000001D1F7790000-0x000001D1F77B2000-memory.dmp

Filesize
136KB

Download
memory/2352-15-0x00007FFA17C60000-0x00007FFA18721000-memory.dmp

Filesize
10.8MB

Download
memory/2352-0-0x00007FFA17C63000-0x00007FFA17C65000-memory.dmp

Filesize
8KB

Download
memory/2352-12-0x00007FFA17C60000-0x00007FFA18721000-memory.dmp

Filesize
10.8MB

Download
memory/2352-11-0x00007FFA17C60000-0x00007FFA18721000-memory.dmp

Filesize
10.8MB

Download
memory/4296-16-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4296-29-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/4296-33-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download
memory/4296-34-0x0000000005890000-0x000000000589A000-memory.dmp

Filesize
40KB

Download
memory/4840-27-0x00007FFA174A0000-0x00007FFA17F61000-memory.dmp

Filesize
10.8MB

Download
memory/4840-32-0x00007FFA174A0000-0x00007FFA17F61000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads