asyncrat | ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 15:03

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General

Target

ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
Size

63KB
MD5

ce0eb5168feda8b72aa9cbfe311378e0
SHA1

18248cf6a415bc816b0a983b3dd74da7a9ee9023
SHA256

ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d
SHA512

5a2fa589276afcac414ebb0424f1a56bdeb28cd8999f8902c81083961eecfd7b13639df67f52375c32fc7b5e616724baa79b722508414db5e7d12e1af4268013
SSDEEP

768:iK7epXkjhxfm785YC8A+Xz2peyr61urX1+T4uoSBGHmDbDTph0oXI9tBE9SuQdph:NDhxf8Qn0tYUbJh94ZuQdpqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

and-statements.gl.at.ply.gg:43442

Attributes

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

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x000c000000012277-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2944	test.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
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
2624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe
2944	test.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
Token: SeDebugPrivilege	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
Token: SeDebugPrivilege	2944	test.exe
Token: SeDebugPrivilege	2944	test.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2744	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	31
PID 2948 wrote to memory of 2744	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	31
PID 2948 wrote to memory of 2744	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	31
PID 2948 wrote to memory of 2772	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	33
PID 2948 wrote to memory of 2772	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	33
PID 2948 wrote to memory of 2772	2948	ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe	33
PID 2744 wrote to memory of 2624	2744	cmd.exe	35
PID 2744 wrote to memory of 2624	2744	cmd.exe	35
PID 2744 wrote to memory of 2624	2744	cmd.exe	35
PID 2772 wrote to memory of 2732	2772	cmd.exe	36
PID 2772 wrote to memory of 2732	2772	cmd.exe	36
PID 2772 wrote to memory of 2732	2772	cmd.exe	36
PID 2772 wrote to memory of 2944	2772	cmd.exe	37
PID 2772 wrote to memory of 2944	2772	cmd.exe	37
PID 2772 wrote to memory of 2944	2772	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\ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe
"C:\Users\Admin\AppData\Local\Temp\ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Local\Temp\test.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Local\Temp\test.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2624
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp95AB.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2732
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2944

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\test.exe

Filesize
63KB

MD5
ce0eb5168feda8b72aa9cbfe311378e0

SHA1
18248cf6a415bc816b0a983b3dd74da7a9ee9023

SHA256
ae36b5486b5f95cb451985cf270963956822bbfaded42c35da3abced9bff2f3d

SHA512
5a2fa589276afcac414ebb0424f1a56bdeb28cd8999f8902c81083961eecfd7b13639df67f52375c32fc7b5e616724baa79b722508414db5e7d12e1af4268013

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp95AB.tmp.bat

Filesize
151B

MD5
c2e7a1549937aa2dd330daca45441672

SHA1
21ac108ff04171c0ffa87fbf3d4956fe200ab824

SHA256
a17b5c0b39b98244c9175ca8fd96ed3687e9ad222fb8beea7a650ca1a8cde7cf

SHA512
81f9feca5a864321d657cf3b6d0634cbc81689737e0169c0f88b59332fb2ed4b98c1793b7f14769818b3c260f91d7f95e97f9a854b0fa5e4255fbe654604bf45

Download Submit
memory/2944-17-0x00000000013B0000-0x00000000013C6000-memory.dmp

Filesize
88KB

Download
memory/2948-0-0x000007FEF5343000-0x000007FEF5344000-memory.dmp

Filesize
4KB

Download
memory/2948-1-0x0000000000C40000-0x0000000000C56000-memory.dmp

Filesize
88KB

Download
memory/2948-2-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2948-3-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2948-13-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download