asyncrat | 2c67ce29cd8e26ea30b8828efb2d2ae2d135f1141ad80d333807bff1ea970901

General

Target

no anti vm.exe
Size

133KB
MD5

7a1c81423490d165b48799936a80b63b
SHA1

e7240326f9c751326090f9f05d6ef068c93eb34f
SHA256

2c67ce29cd8e26ea30b8828efb2d2ae2d135f1141ad80d333807bff1ea970901
SHA512

f2e37d3a89476904a53f2930a27fb818088b3675fac47003eb44bba004477770251dcaff56973d881fce412ef725e0dcaa798f5027f1fe647e902147cb7a3e60
SSDEEP

1536:ahUzAcxjVLcoCJPPMVEMawke4I8H1boNlLJ1eQzcK9VclN:KUUcxjVLLCPPMVxawkH1bo7LJgQrPY

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

Mutex

jiqbzsjfarhpqni

Attributes

delay
1
install
true
install_file
svchost.exe
install_folder
%Temp%

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/0x0009000000016de4-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2896	svchost.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

evasion

pid	Process
2340	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
1924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
2128	no anti vm.exe
2128	no anti vm.exe
2128	no anti vm.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe
2896	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	no anti vm.exe
Token: SeDebugPrivilege	2896	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2896	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2392	2128	no anti vm.exe	30
PID 2128 wrote to memory of 2392	2128	no anti vm.exe	30
PID 2128 wrote to memory of 2392	2128	no anti vm.exe	30
PID 2128 wrote to memory of 2332	2128	no anti vm.exe	31
PID 2128 wrote to memory of 2332	2128	no anti vm.exe	31
PID 2128 wrote to memory of 2332	2128	no anti vm.exe	31
PID 2392 wrote to memory of 1924	2392	cmd.exe	34
PID 2392 wrote to memory of 1924	2392	cmd.exe	34
PID 2392 wrote to memory of 1924	2392	cmd.exe	34
PID 2332 wrote to memory of 2340	2332	cmd.exe	35
PID 2332 wrote to memory of 2340	2332	cmd.exe	35
PID 2332 wrote to memory of 2340	2332	cmd.exe	35
PID 2332 wrote to memory of 2896	2332	cmd.exe	37
PID 2332 wrote to memory of 2896	2332	cmd.exe	37
PID 2332 wrote to memory of 2896	2332	cmd.exe	37

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\no anti vm.exe
"C:\Users\Admin\AppData\Local\Temp\no anti vm.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1924
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC12D.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2340
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2896

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\svchost.exe

Filesize
133KB

MD5
7a1c81423490d165b48799936a80b63b

SHA1
e7240326f9c751326090f9f05d6ef068c93eb34f

SHA256
2c67ce29cd8e26ea30b8828efb2d2ae2d135f1141ad80d333807bff1ea970901

SHA512
f2e37d3a89476904a53f2930a27fb818088b3675fac47003eb44bba004477770251dcaff56973d881fce412ef725e0dcaa798f5027f1fe647e902147cb7a3e60

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC12D.tmp.bat

Filesize
154B

MD5
ab7aa7a0c61732817a17aff1c72283b0

SHA1
66033ad227c3bf86d738f9a85660f7dbca96bf4c

SHA256
ea9d25a1283a11b64769f3418d28a5fa36dfdc03b179ec3109c991619bff5c39

SHA512
9c42b0b5414de2f9a1064316efcfca49ea88f07a7730898d598bb4e5047aed7f3c877fa19817973ea84bac2672065600b915715eafad29c192517c5b91efae05

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

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
memory/2128-0-0x000007FEF5213000-0x000007FEF5214000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x0000000000930000-0x0000000000956000-memory.dmp

Filesize
152KB

Download
memory/2128-3-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2128-12-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2128-13-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2896-18-0x00000000013D0000-0x00000000013F6000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads