asyncrat | 571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 23:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
Size

92KB
MD5

8b711dffe2c8f057b63272d651bbf344
SHA1

b548022bae8a92bfe7b05917dc9c17359e104868
SHA256

571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9
SHA512

fb94b402353b121cf14ae230d1603f60a258c9a31faec1f3c750f0694829f57d90c353c48b9638d333f41781ad227c58319f64c42b2fed2797a4abbec9cce7fb
SSDEEP

1536:0aYmHsd/wluYUbnhZ9HM6oAu1t31mgjpbQL0+fqap9VEl0/pqKmY7:DYV1wwYUbnCdV31mgjio+Sap9VEl0cz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:8848

127.0.0.1:59489

martin-sn.gl.at.ply.gg:8848

martin-sn.gl.at.ply.gg:59489

Mutex

USB

Attributes

delay
1
install
true
install_file
USB.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/0x000a00000001225c-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2776	USB.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
2940	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
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe
2776	USB.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
Token: SeDebugPrivilege	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
Token: SeDebugPrivilege	2776	USB.exe
Token: SeDebugPrivilege	2776	USB.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2916	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	30
PID 840 wrote to memory of 2916	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	30
PID 840 wrote to memory of 2916	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	30
PID 840 wrote to memory of 2928	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	32
PID 840 wrote to memory of 2928	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	32
PID 840 wrote to memory of 2928	840	571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe	32
PID 2916 wrote to memory of 2740	2916	cmd.exe	34
PID 2916 wrote to memory of 2740	2916	cmd.exe	34
PID 2916 wrote to memory of 2740	2916	cmd.exe	34
PID 2928 wrote to memory of 2940	2928	cmd.exe	35
PID 2928 wrote to memory of 2940	2928	cmd.exe	35
PID 2928 wrote to memory of 2940	2928	cmd.exe	35
PID 2928 wrote to memory of 2776	2928	cmd.exe	36
PID 2928 wrote to memory of 2776	2928	cmd.exe	36
PID 2928 wrote to memory of 2776	2928	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\571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe
"C:\Users\Admin\AppData\Local\Temp\571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "USB" /tr '"C:\Users\Admin\AppData\Roaming\USB.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "USB" /tr '"C:\Users\Admin\AppData\Roaming\USB.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2740
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp407A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2940
- - C:\Users\Admin\AppData\Roaming\USB.exe
    "C:\Users\Admin\AppData\Roaming\USB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2776

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp407A.tmp.bat

Filesize
147B

MD5
46ad796a03d444ff97053f54550b3dea

SHA1
808abaa1010db163f54efa56656e9808c22b473f

SHA256
277dc4c5bed03a47056667905add94bbb250cbccea752e0c10d490a23649b168

SHA512
94f6929ce8fc05bd4c62388db13af9cb375da91e79e56835e705278046062b8eddb0c02a9c2f2e993493460af0d9074bf6a86850374b3e77ffbdd532c74eb33f

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

Filesize
92KB

MD5
8b711dffe2c8f057b63272d651bbf344

SHA1
b548022bae8a92bfe7b05917dc9c17359e104868

SHA256
571b72fed00fc79c6757f98ee3caadba23eda179ef810a3a89ccfab0b7c53da9

SHA512
fb94b402353b121cf14ae230d1603f60a258c9a31faec1f3c750f0694829f57d90c353c48b9638d333f41781ad227c58319f64c42b2fed2797a4abbec9cce7fb

Download Submit
memory/840-0-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/840-1-0x0000000001270000-0x000000000128E000-memory.dmp

Filesize
120KB

Download
memory/840-2-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Filesize
9.9MB

Download
memory/840-3-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Filesize
9.9MB

Download
memory/840-13-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Filesize
9.9MB

Download
memory/2776-17-0x0000000000E70000-0x0000000000E8E000-memory.dmp

Filesize
120KB

Download