asyncrat | 57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247

Analysis

max time kernel
149s
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
23-01-2025 00:41

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General

Target

57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
Size

74KB
MD5

fce70f9f47e53c7f136ea47a62230c1b
SHA1

6f6960817fa0f6743f0500ca1930382f20b44097
SHA256

57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247
SHA512

1dac4ad880071d0e48f7d34fd41e81e9ffa4ee83397d7c58956200b5ecb9653c78b2cfbb31ae7c40710a86de44a6f6ea76bec1a16f05202e358e8094b2630a13
SSDEEP

1536:2UINwcxKHXwzCtmPMV2e9VdQuDI6H1bf/ITV+0QzcqLVclN:2UIicxK8WmPMV2e9VdQsH1bfm40QbBY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

127.0.0.1:4449

2.56.109.146:4449

Mutex

asdasfhjggf

Attributes

delay
1
install
true
install_file
client.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

resource	yara_rule
behavioral2/files/0x000d000000023a73-12.dat	family_asyncrat

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	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe

Executes dropped EXE 1 IoCs

pid	Process
4796	client.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
372	timeout.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
4548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe
4796	client.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
Token: SeDebugPrivilege	4796	client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	client.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3232	2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	84
PID 2304 wrote to memory of 3232	2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	84
PID 2304 wrote to memory of 3416	2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	86
PID 2304 wrote to memory of 3416	2304	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	86
PID 3232 wrote to memory of 4548	3232	cmd.exe	88
PID 3232 wrote to memory of 4548	3232	cmd.exe	88
PID 3416 wrote to memory of 372	3416	cmd.exe	89
PID 3416 wrote to memory of 372	3416	cmd.exe	89
PID 3416 wrote to memory of 4796	3416	cmd.exe	91
PID 3416 wrote to memory of 4796	3416	cmd.exe	91

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\57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
"C:\Users\Admin\AppData\Local\Temp\57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "client" /tr '"C:\Users\Admin\AppData\Roaming\client.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "client" /tr '"C:\Users\Admin\AppData\Roaming\client.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4548
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9318.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:372
- - C:\Users\Admin\AppData\Roaming\client.exe
    "C:\Users\Admin\AppData\Roaming\client.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9318.tmp.bat

Filesize
150B

MD5
bdc1998f4d352e8737ee2609614b0fc3

SHA1
57a4f497ef9a42e364435486d9ab558b30df51ed

SHA256
d4413900ba031644c93d5d7498b4cf7edfe3e86993ed7f209dd0c7f5e15c56ef

SHA512
5c675954e9dd368a40bc014f09676e740bfc5e70ce67790078b55d9e119b24e6fee8073d967eaf3205e8e0cb7ef8941e41b2e8c2fe1f26b049bb5a9be0d3d55f

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\client.exe

Filesize
74KB

MD5
fce70f9f47e53c7f136ea47a62230c1b

SHA1
6f6960817fa0f6743f0500ca1930382f20b44097

SHA256
57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247

SHA512
1dac4ad880071d0e48f7d34fd41e81e9ffa4ee83397d7c58956200b5ecb9653c78b2cfbb31ae7c40710a86de44a6f6ea76bec1a16f05202e358e8094b2630a13

Download Submit
memory/2304-0-0x00007FF9F5A73000-0x00007FF9F5A75000-memory.dmp

Filesize
8KB

Download
memory/2304-1-0x00000000008B0000-0x00000000008C8000-memory.dmp

Filesize
96KB

Download
memory/2304-3-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

Filesize
10.8MB

Download
memory/2304-8-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

Filesize
10.8MB

Download
memory/2304-9-0x00007FF9F5A70000-0x00007FF9F6531000-memory.dmp

Filesize
10.8MB

Download