asyncrat | add6234329d65ae878b6112d7d63d6641b842d28c0fa2fa5fbbb09a1b835bc0c

Analysis

max time kernel
125s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:08

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General

Target

23f2f3a3cdfd8142daa853ff68baaf99.exe
Size

63KB
MD5

23f2f3a3cdfd8142daa853ff68baaf99
SHA1

c31d3187ed6d0c22ea444251e6b4b457192f9ddb
SHA256

a9acdad51d3734d9b20c064edd822c12ab0652bbc8fee7b614bf958a8dfc3f29
SHA512

aaea969d2be58c8f90298261b059f2be39dad96700549251ad84d59f4eabfde104b5af512a281016acee9ac4261146fdea6a22e750e265cad144feb22a7d106a
SSDEEP

768:ekh9PXn1w787gC8A+XvqazcBRL5JTk1+T4KSBGHmDbD/ph0oXLb8/odR2sYuSu3p:VR1gMdSJYUbdh9Lb8W2D5u35pqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

27.ip.gl.ply.gg:1365

Attributes

delay
120
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
behavioral21/files/0x003000000001939b-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
396	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

defense_evasion

pid	Process
2900	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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2532	23f2f3a3cdfd8142daa853ff68baaf99.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe
Token: SeDebugPrivilege	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3048	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	30
PID 2532 wrote to memory of 3048	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	30
PID 2532 wrote to memory of 3048	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	30
PID 2532 wrote to memory of 3032	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	32
PID 2532 wrote to memory of 3032	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	32
PID 2532 wrote to memory of 3032	2532	23f2f3a3cdfd8142daa853ff68baaf99.exe	32
PID 3048 wrote to memory of 2688	3048	cmd.exe	34
PID 3048 wrote to memory of 2688	3048	cmd.exe	34
PID 3048 wrote to memory of 2688	3048	cmd.exe	34
PID 3032 wrote to memory of 2900	3032	cmd.exe	35
PID 3032 wrote to memory of 2900	3032	cmd.exe	35
PID 3032 wrote to memory of 2900	3032	cmd.exe	35
PID 3032 wrote to memory of 396	3032	cmd.exe	36
PID 3032 wrote to memory of 396	3032	cmd.exe	36
PID 3032 wrote to memory of 396	3032	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\23f2f3a3cdfd8142daa853ff68baaf99.exe
"C:\Users\Admin\AppData\Local\Temp\23f2f3a3cdfd8142daa853ff68baaf99.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- 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:3048
- - 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:2688
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp66FD.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2900
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    PID:396

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
63KB

MD5
23f2f3a3cdfd8142daa853ff68baaf99

SHA1
c31d3187ed6d0c22ea444251e6b4b457192f9ddb

SHA256
a9acdad51d3734d9b20c064edd822c12ab0652bbc8fee7b614bf958a8dfc3f29

SHA512
aaea969d2be58c8f90298261b059f2be39dad96700549251ad84d59f4eabfde104b5af512a281016acee9ac4261146fdea6a22e750e265cad144feb22a7d106a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp66FD.tmp.bat

Filesize
154B

MD5
1f6321b07212e57e45728b9ab7c6bdd4

SHA1
23054dda2e2d2cdb399f71301a19fde0e392983f

SHA256
ad272b9e14ddb9ebd90542aa302e7fd37309ab592ca4e3b29c1588d38d30637d

SHA512
985c3b9f9c5d8d965830b3697a74bbc5edeb3116a35795e372501067929375cf5ffb66aeba2fbfaf1578fb90d249add8529dc4f1d202510ea781b3d86b4f7c3c

Download Submit
memory/396-18-0x0000000000E90000-0x0000000000EA6000-memory.dmp

Filesize
88KB

Download
memory/2532-0-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/2532-1-0x0000000001020000-0x0000000001036000-memory.dmp

Filesize
88KB

Download
memory/2532-2-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/2532-3-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/2532-4-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/2532-14-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download