asyncrat | 15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1

Analysis

max time kernel
136s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02-10-2022 04:35

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General

Target

15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
Size

58KB
MD5

7f2717a61bf9954670ea7c947815816e
SHA1

7bf30b1291d800c583ac863856da257eaeecd531
SHA256

15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1
SHA512

c5f652863f10c895c212bb2dbaa1b798f01db6344e99f70519590f67f8fc5d5ea760e9ba26b83bc256159d979364c8ec7a02db53ef42736e4756e987b0f5b829
SSDEEP

1536:4uyRNTAGo2W93pXGyb9Z5dqPPnHbJdRaMb:4uy/TAGo2U3pXGyb9ZiPvHbJjaMb

Score

10^/10

asyncrat spoofer rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Spoofer

90.49.136.9:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
AnyDesk.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/4152-151-0x0000000000460000-0x0000000000474000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\AnyDesk.exe	asyncrat
C:\Users\Admin\AppData\Roaming\AnyDesk.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

AnyDesk.exe

pid process

4856 AnyDesk.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4008 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4508 timeout.exe

pid	process
4856	AnyDesk.exe

pid	process
4008	schtasks.exe

pid	process
4508	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe

pid	process
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exeAnyDesk.exe

description	pid	process
Token: SeDebugPrivilege	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
Token: SeDebugPrivilege	4856	AnyDesk.exe
Token: SeDebugPrivilege	4856	AnyDesk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.execmd.execmd.exe

description	pid	process	target process
PID 4152 wrote to memory of 2972	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 4152 wrote to memory of 2972	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 4152 wrote to memory of 2972	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 4152 wrote to memory of 1508	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 4152 wrote to memory of 1508	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 4152 wrote to memory of 1508	4152	15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe	cmd.exe
PID 2972 wrote to memory of 4008	2972	cmd.exe	schtasks.exe
PID 2972 wrote to memory of 4008	2972	cmd.exe	schtasks.exe
PID 2972 wrote to memory of 4008	2972	cmd.exe	schtasks.exe
PID 1508 wrote to memory of 4508	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 4508	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 4508	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 4856	1508	cmd.exe	AnyDesk.exe
PID 1508 wrote to memory of 4856	1508	cmd.exe	AnyDesk.exe
PID 1508 wrote to memory of 4856	1508	cmd.exe	AnyDesk.exe

C:\Users\Admin\AppData\Local\Temp\15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe
"C:\Users\Admin\AppData\Local\Temp\15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AnyDesk" /tr '"C:\Users\Admin\AppData\Roaming\AnyDesk.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2972

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "AnyDesk" /tr '"C:\Users\Admin\AppData\Roaming\AnyDesk.exe"'
3⤵
- Creates scheduled task(s)
PID:4008

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCDB5.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1508

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4508

C:\Users\Admin\AppData\Roaming\AnyDesk.exe
"C:\Users\Admin\AppData\Roaming\AnyDesk.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4856

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCDB5.tmp.bat
Filesize
151B

MD5
af9952d148f424293dbe0138ba24fd37

SHA1
0e74e7507d1fb4083823d32863beaaf19d3b1996

SHA256
104d4c21fd21e457ad82969d2b501677d277200ed62817ee009183ec70a9b2e9

SHA512
5fa16decfb2ba1d9c5c7dca2afeaf10d41513046baa4d8fa04376969e886627679aac5c1b0de28496630a6a195be1be97c2f4aa0cd3ac5b5a805e707fbf3ae82

Download Submit
C:\Users\Admin\AppData\Roaming\AnyDesk.exe
Filesize
58KB

MD5
7f2717a61bf9954670ea7c947815816e

SHA1
7bf30b1291d800c583ac863856da257eaeecd531

SHA256
15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1

SHA512
c5f652863f10c895c212bb2dbaa1b798f01db6344e99f70519590f67f8fc5d5ea760e9ba26b83bc256159d979364c8ec7a02db53ef42736e4756e987b0f5b829

Download Submit
C:\Users\Admin\AppData\Roaming\AnyDesk.exe
Filesize
58KB

MD5
7f2717a61bf9954670ea7c947815816e

SHA1
7bf30b1291d800c583ac863856da257eaeecd531

SHA256
15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1

SHA512
c5f652863f10c895c212bb2dbaa1b798f01db6344e99f70519590f67f8fc5d5ea760e9ba26b83bc256159d979364c8ec7a02db53ef42736e4756e987b0f5b829

Download Submit
memory/1508-193-0x0000000000000000-mapping.dmp

Download
memory/2972-187-0x0000000000000000-mapping.dmp

Download
memory/4008-198-0x0000000000000000-mapping.dmp

Download
memory/4152-151-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/4152-126-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-123-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-124-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-125-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-156-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-127-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-128-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-129-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-157-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-131-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-132-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-133-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-134-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-135-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-136-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-137-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-138-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-139-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-140-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-141-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-142-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-143-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-144-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-145-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-146-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-147-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-148-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-149-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-150-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-121-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-152-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-153-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-154-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-186-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-122-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-130-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-158-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-159-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-160-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-161-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-162-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-163-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-164-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-165-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-166-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-167-0x0000000004C90000-0x0000000004CF6000-memory.dmp

Filesize
408KB

Download
memory/4152-168-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-169-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-170-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-171-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-172-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-173-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-174-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-175-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-176-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/4152-177-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-178-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-179-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-180-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-181-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-182-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-183-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-184-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-185-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-155-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-120-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4508-224-0x0000000000000000-mapping.dmp

Download
memory/4856-251-0x0000000000000000-mapping.dmp

Download