asyncrat | 57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247

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

C2

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
behavioral1/files/0x00080000000173f6-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2852	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
2732	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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe
2852	client.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe
Token: SeDebugPrivilege	2852	client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2852	client.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 2508	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	30
PID 1788 wrote to memory of 2508	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	30
PID 1788 wrote to memory of 2508	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	30
PID 1788 wrote to memory of 2484	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	31
PID 1788 wrote to memory of 2484	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	31
PID 1788 wrote to memory of 2484	1788	57490eab4c55cabedda2c747d8af7e7fb78546fb12bcaec6b56c33be7db09247.exe	31
PID 2508 wrote to memory of 2724	2508	cmd.exe	34
PID 2508 wrote to memory of 2724	2508	cmd.exe	34
PID 2508 wrote to memory of 2724	2508	cmd.exe	34
PID 2484 wrote to memory of 2732	2484	cmd.exe	35
PID 2484 wrote to memory of 2732	2484	cmd.exe	35
PID 2484 wrote to memory of 2732	2484	cmd.exe	35
PID 2484 wrote to memory of 2852	2484	cmd.exe	36
PID 2484 wrote to memory of 2852	2484	cmd.exe	36
PID 2484 wrote to memory of 2852	2484	cmd.exe	36

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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788
- 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:2508
- - 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:2724
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAFBF.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2732
- - 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:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
150B

MD5
d29b8c4f15f64e804abe38f2255a60b3

SHA1
eb72c2553a34a605ca8a3c540ec4f9acf58d481c

SHA256
0e82b4c32307d0bf89298a8090eaee91968796341b34244102b1de8782ffd925

SHA512
c3f5d8ff6922ff69c2dd5bd9203336cd5660055c700e00c1d05c4bb2896755102bd3a886486ba429ea951fb12f476f5a596e728895a5c641d4e511ece725021d

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/1788-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp

Filesize
4KB

Download
memory/1788-1-0x00000000011E0000-0x00000000011F8000-memory.dmp

Filesize
96KB

Download
memory/1788-3-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/1788-12-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/1788-13-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/2852-18-0x0000000000F40000-0x0000000000F58000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads