asyncrat | 315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2025, 22:03

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General

Target

315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
Size

659KB
MD5

5ad1c8d2082e5d6526d4399d4b8000c1
SHA1

ba39bbe677be6c0d9c3cf8248d7a1065875ba9f2
SHA256

315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d
SHA512

ec0fa55902402338483d9d3ede538ded7720d31408e471391443d399c1c19308bce4d3e288f4278de8762502dea787ded3cc7beebf71699810580afae5ec0cb9
SSDEEP

12288:VUZmIO8Dfmr2/XTGh5lGJFi3dS1p2qcToaPKDrzVkR:VUZtfh/XCUJS41p2ZoaSvzo

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

154.216.20.182:8000

Mutex

fohacwesdyrtvqfvidw

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
Asyncrat family
asyncrat

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
1056	powershell.exe
4764	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

pid	Process
2064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
4764	powershell.exe
1056	powershell.exe
4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
1056	powershell.exe
4764	powershell.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
Token: SeDebugPrivilege	4764	powershell.exe
Token: SeDebugPrivilege	1056	powershell.exe
Token: SeDebugPrivilege	2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1056	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	96
PID 4928 wrote to memory of 1056	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	96
PID 4928 wrote to memory of 1056	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	96
PID 4928 wrote to memory of 4764	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	98
PID 4928 wrote to memory of 4764	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	98
PID 4928 wrote to memory of 4764	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	98
PID 4928 wrote to memory of 2064	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	100
PID 4928 wrote to memory of 2064	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	100
PID 4928 wrote to memory of 2064	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	100
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102
PID 4928 wrote to memory of 2512	4928	315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe	102

C:\Users\Admin\AppData\Local\Temp\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
"C:\Users\Admin\AppData\Local\Temp\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1056
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RRFZqEF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4764
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RRFZqEF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB45C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2064
- C:\Users\Admin\AppData\Local\Temp\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe
  "C:\Users\Admin\AppData\Local\Temp\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2512

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\315f7e2e7ca202c083ee3d1efbbd1b8cbde0ce11383fde5d2cbfd11d9aa50e9d.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
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
18KB

MD5
b62621b39702dbf3a9df88e85ed1891c

SHA1
1a87c5be173f0cb950d55bfb27a7da8624f4ecab

SHA256
e5e86f6875d4e82d299c266e67ac076fe7715fe3ad018f05046dbba52fc00006

SHA512
c34fc89db6467a388ad2fd8e6f05ca35494a3810c28a772f1f88915bf23194ef168fb69e5fa2c714b9e733aaad3bc7acbeb29930fd61a5600e7195706b8b22b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ygachpey.5g2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB45C.tmp

Filesize
1KB

MD5
20266483d8648b28aed03c3445c11f45

SHA1
e250e2bf031cbd6bd412e5733ee310cdde07c9c8

SHA256
8c80acf1871068b3328f7ff0da3a4c8c97fa13a3fd35187c9e1ce95c9f512f76

SHA512
75f8cfae1db055487f935bc22ffd6dc5f8bbb8fe529dec25a760986dc2680636c0e34f75b92b66ff6550a2f216c8f28215e42f5b69b9177ce3d989cd1925109d

Download Submit
memory/1056-23-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/1056-91-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/1056-81-0x00000000077E0000-0x00000000077EE000-memory.dmp

Filesize
56KB

Download
memory/1056-79-0x0000000007810000-0x00000000078A6000-memory.dmp

Filesize
600KB

Download
memory/1056-78-0x0000000007600000-0x000000000760A000-memory.dmp

Filesize
40KB

Download
memory/1056-16-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/1056-15-0x0000000004CD0000-0x0000000004D06000-memory.dmp

Filesize
216KB

Download
memory/1056-17-0x0000000005340000-0x0000000005968000-memory.dmp

Filesize
6.2MB

Download
memory/1056-77-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/1056-75-0x0000000007440000-0x00000000074E3000-memory.dmp

Filesize
652KB

Download
memory/1056-60-0x000000006F520000-0x000000006F56C000-memory.dmp

Filesize
304KB

Download
memory/1056-25-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/2512-46-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4764-76-0x0000000007BE0000-0x000000000825A000-memory.dmp

Filesize
6.5MB

Download
memory/4764-80-0x00000000077A0000-0x00000000077B1000-memory.dmp

Filesize
68KB

Download
memory/4764-27-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-26-0x0000000005C40000-0x0000000005F94000-memory.dmp

Filesize
3.3MB

Download
memory/4764-21-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4764-90-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-84-0x00000000078E0000-0x00000000078E8000-memory.dmp

Filesize
32KB

Download
memory/4764-83-0x00000000078F0000-0x000000000790A000-memory.dmp

Filesize
104KB

Download
memory/4764-82-0x0000000007800000-0x0000000007814000-memory.dmp

Filesize
80KB

Download
memory/4764-22-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/4764-51-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/4764-52-0x00000000063D0000-0x000000000641C000-memory.dmp

Filesize
304KB

Download
memory/4764-20-0x00000000053B0000-0x00000000053D2000-memory.dmp

Filesize
136KB

Download
memory/4764-54-0x000000006F520000-0x000000006F56C000-memory.dmp

Filesize
304KB

Download
memory/4764-53-0x0000000006830000-0x0000000006862000-memory.dmp

Filesize
200KB

Download
memory/4764-19-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-73-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/4764-18-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4928-50-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4928-10-0x0000000002C20000-0x0000000002C7E000-memory.dmp

Filesize
376KB

Download
memory/4928-9-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4928-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/4928-8-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4928-5-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4928-6-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/4928-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4928-2-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/4928-4-0x0000000005430000-0x000000000543A000-memory.dmp

Filesize
40KB

Download
memory/4928-7-0x0000000006850000-0x0000000006876000-memory.dmp

Filesize
152KB

Download
memory/4928-1-0x00000000008D0000-0x0000000000978000-memory.dmp

Filesize
672KB

Download