asyncrat | 3193f135e199228a2d3b3a61e04ff5d82bf8669b1b3380b22f537ed7c7e06261

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 04:04

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General

Target

rizz.exe
Size

72KB
MD5

b34928c5afd20368c2810613c4a550d2
SHA1

ac281837cacfc3409e7a41b7230989c3774ba4e2
SHA256

3193f135e199228a2d3b3a61e04ff5d82bf8669b1b3380b22f537ed7c7e06261
SHA512

a2661d23e15737fb1e069329f9527dcdc71b2332fc4dd2edd4910c4bccc474702e0c964a92ba4687b62dba37bf1da0935b8bd49374fdd0ceea7e6b1836647d10
SSDEEP

1536:ACyyQm2As0GWzbzXvMgYM51yVKNY9sUIdshOCOwX0ttdk61E8Ygiyw:ACyyZVGobzAAy0NFdsh/OXtdkqBS

Score

10^/10

asyncrat default defense_evasion discovery execution rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

comment-mar.gl.at.ply.gg:7052

Attributes

delay
1
install
true
install_file
regedit.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/files/0x000a000000023b66-7.dat	family_asyncrat

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rizz.exeMulitiTool.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	rizz.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	MulitiTool.exe

Executes dropped EXE 2 IoCs

Processes:

MulitiTool.exeregedit.exe

pid	Process
2736	MulitiTool.exe
2964	regedit.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
3756	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

powershell.execmd.exepowershell.exechcp.comrizz.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rizz.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
5036	timeout.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid	Process
2964	regedit.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
3812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exeMulitiTool.exe

pid	Process
3756	powershell.exe
384	powershell.exe
384	powershell.exe
3756	powershell.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe
2736	MulitiTool.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exeMulitiTool.exeregedit.exe

description	pid	Process
Token: SeDebugPrivilege	384	powershell.exe
Token: SeDebugPrivilege	3756	powershell.exe
Token: SeDebugPrivilege	2736	MulitiTool.exe
Token: SeDebugPrivilege	2964	regedit.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

rizz.execmd.exeMulitiTool.execmd.execmd.exe

description	pid	Process	procid_target
PID 2064 wrote to memory of 384	2064	rizz.exe	82
PID 2064 wrote to memory of 384	2064	rizz.exe	82
PID 2064 wrote to memory of 384	2064	rizz.exe	82
PID 2064 wrote to memory of 1288	2064	rizz.exe	84
PID 2064 wrote to memory of 1288	2064	rizz.exe	84
PID 2064 wrote to memory of 1288	2064	rizz.exe	84
PID 2064 wrote to memory of 2736	2064	rizz.exe	86
PID 2064 wrote to memory of 2736	2064	rizz.exe	86
PID 1288 wrote to memory of 3756	1288	cmd.exe	87
PID 1288 wrote to memory of 3756	1288	cmd.exe	87
PID 1288 wrote to memory of 3756	1288	cmd.exe	87
PID 2736 wrote to memory of 1964	2736	MulitiTool.exe	88
PID 2736 wrote to memory of 1964	2736	MulitiTool.exe	88
PID 2736 wrote to memory of 392	2736	MulitiTool.exe	89
PID 2736 wrote to memory of 392	2736	MulitiTool.exe	89
PID 392 wrote to memory of 5036	392	cmd.exe	92
PID 392 wrote to memory of 5036	392	cmd.exe	92
PID 1964 wrote to memory of 3812	1964	cmd.exe	93
PID 1964 wrote to memory of 3812	1964	cmd.exe	93
PID 1288 wrote to memory of 4812	1288	cmd.exe	96
PID 1288 wrote to memory of 4812	1288	cmd.exe	96
PID 1288 wrote to memory of 4812	1288	cmd.exe	96
PID 392 wrote to memory of 2964	392	cmd.exe	99
PID 392 wrote to memory of 2964	392	cmd.exe	99

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\rizz.exe
"C:\Users\Admin\AppData\Local\Temp\rizz.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGUAcwB2ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG4AbABsACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGUAagBnACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGIAegB0ACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:384
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Better penguin tool___.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    POWERSHELL.EXE -Command "Add-Type -AssemblyName System.Windows.Forms; [void][System.Windows.Forms.MessageBox]::show( 'You in my yippe u got this for free!', 'Welcome', 'OK', 'Warning' )"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4812
- C:\Users\Admin\AppData\Local\Temp\MulitiTool.exe
  "C:\Users\Admin\AppData\Local\Temp\MulitiTool.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "regedit" /tr '"C:\Users\Admin\AppData\Roaming\regedit.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "regedit" /tr '"C:\Users\Admin\AppData\Roaming\regedit.exe"'
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3812
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB779.tmp.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:392
  - - C:\Windows\system32\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:5036
  - - C:\Users\Admin\AppData\Roaming\regedit.exe
      "C:\Users\Admin\AppData\Roaming\regedit.exe"
      4⤵
      Executes dropped EXE
      Runs regedit.exe
      Suspicious use of AdjustPrivilegeToken
      PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
17KB

MD5
c61f6e10cc5b8166591553cc07666d84

SHA1
e0b251c1c76b3471845b5965232c5f4c9b02ee15

SHA256
074f2014f646ea3812c4193348ef78876716fa8bf5aa9c05cd6f1981fbdd1368

SHA512
d99d65ad18409d0a00a9f65801a5db5f11964112da8c66ae5dcdeadba5594eacf1e39ab33cae6f7482e44bb8f11b4c03b1d55e07fdc1bef03c724e5bcd81b871

Download Submit
C:\Users\Admin\AppData\Local\Temp\Better penguin tool___.bat

Filesize
3KB

MD5
f251a25604847cf77ef2409d23dc94be

SHA1
21c2d6af971aeea1afb8e12c9f5160a1b8d8123f

SHA256
89941ae9dd965d7e526eb452237211afbb74ed5d6448cf96a84fb050893a7c83

SHA512
d1be6c9150427f439b1e8fb986b1683c464063af95b560438f263fe6309d2b5bef00920c6eb976251b295c3add0a19f8eecea2446df05246dd66c420ffa47c6f

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

Filesize
63KB

MD5
867d3df9508a810a4b6498db145508ce

SHA1
f7321cd91e4de91b7da39d5a2d25f126a77f6eb0

SHA256
bab521830c4069c60079884232777609ad392d385f323981eefb2c949a55d41b

SHA512
06e039153a01549534b62efb8e9a4d0bc57bc22b050a9822edf5cf42d2c77400657f73fd4ea4a9632e0cbb62d638e9983adaecd180d9d9835093c2874ad51712

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ewtb05qc.d1w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB779.tmp.bat

Filesize
151B

MD5
66e5e90af4bc39468bcf83fb9e6e297b

SHA1
247d4ba9d3c836d6103dde7b8c499888a1982aac

SHA256
aab2d870a5ccb4fe6b78071c33ca175cc40085c9d82ff6e9cd0c6fa926e57e8b

SHA512
c6d542b88eb8287d16df156162b620727ee92a58d8825d9d98cb4e477ce6ba1349d97f851a7a9f660ba906b81fb8aea5f182da57ef1750d09bcf32c232694006

Download Submit
memory/384-77-0x0000000007880000-0x0000000007888000-memory.dmp

Filesize
32KB

Download
memory/384-20-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/384-19-0x0000000005420000-0x0000000005A48000-memory.dmp

Filesize
6.2MB

Download
memory/384-18-0x0000000004D20000-0x0000000004D56000-memory.dmp

Filesize
216KB

Download
memory/384-16-0x000000007546E000-0x000000007546F000-memory.dmp

Filesize
4KB

Download
memory/384-80-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/384-66-0x0000000007670000-0x000000000767A000-memory.dmp

Filesize
40KB

Download
memory/384-76-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/384-45-0x0000000005CC0000-0x0000000006014000-memory.dmp

Filesize
3.3MB

Download
memory/384-63-0x00000000074D0000-0x0000000007573000-memory.dmp

Filesize
652KB

Download
memory/384-46-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/384-75-0x0000000007850000-0x0000000007864000-memory.dmp

Filesize
80KB

Download
memory/384-74-0x0000000007840000-0x000000000784E000-memory.dmp

Filesize
56KB

Download
memory/384-67-0x0000000007890000-0x0000000007926000-memory.dmp

Filesize
600KB

Download
memory/384-68-0x0000000007800000-0x0000000007811000-memory.dmp

Filesize
68KB

Download
memory/384-52-0x0000000071160000-0x00000000711AC000-memory.dmp

Filesize
304KB

Download
memory/384-51-0x00000000068C0000-0x00000000068F2000-memory.dmp

Filesize
200KB

Download
memory/384-62-0x00000000074A0000-0x00000000074BE000-memory.dmp

Filesize
120KB

Download
memory/2736-14-0x0000000000010000-0x0000000000026000-memory.dmp

Filesize
88KB

Download
memory/2736-15-0x00007FFB99D13000-0x00007FFB99D15000-memory.dmp

Filesize
8KB

Download
memory/3756-22-0x00000000054C0000-0x00000000054E2000-memory.dmp

Filesize
136KB

Download
memory/3756-65-0x0000000007850000-0x00000000078E2000-memory.dmp

Filesize
584KB

Download
memory/3756-64-0x00000000086E0000-0x0000000008C84000-memory.dmp

Filesize
5.6MB

Download
memory/3756-50-0x00000000069A0000-0x00000000069BA000-memory.dmp

Filesize
104KB

Download
memory/3756-49-0x0000000007AB0000-0x000000000812A000-memory.dmp

Filesize
6.5MB

Download
memory/3756-47-0x0000000006460000-0x000000000647E000-memory.dmp

Filesize
120KB

Download
memory/3756-48-0x00000000064A0000-0x00000000064EC000-memory.dmp

Filesize
304KB

Download
memory/3756-35-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/3756-23-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/3756-24-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/3756-25-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/3756-21-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download
memory/3756-84-0x0000000075460000-0x0000000075C10000-memory.dmp

Filesize
7.7MB

Download