asyncrat | 15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1

General

Target

7f2717a61bf9954670ea7c947815816e.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

C2

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1696-54-0x0000000000050000-0x0000000000064000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\AnyDesk.exe	asyncrat
\Users\Admin\AppData\Roaming\AnyDesk.exe	asyncrat
C:\Users\Admin\AppData\Roaming\AnyDesk.exe	asyncrat
behavioral1/memory/992-65-0x0000000000F70000-0x0000000000F84000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

AnyDesk.exe

pid process

992 AnyDesk.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1752 cmd.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

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

Processes:

timeout.exe

pid process

1452 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7f2717a61bf9954670ea7c947815816e.exe

pid process

1696 7f2717a61bf9954670ea7c947815816e.exe

pid	process
992	AnyDesk.exe

pid	process
1752	cmd.exe

pid	process
572	schtasks.exe

pid	process
1452	timeout.exe

pid	process
1696	7f2717a61bf9954670ea7c947815816e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7f2717a61bf9954670ea7c947815816e.exeAnyDesk.exe

description	pid	process
Token: SeDebugPrivilege	1696	7f2717a61bf9954670ea7c947815816e.exe
Token: SeDebugPrivilege	992	AnyDesk.exe
Token: SeDebugPrivilege	992	AnyDesk.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

7f2717a61bf9954670ea7c947815816e.execmd.execmd.exe

description	pid	process	target process
PID 1696 wrote to memory of 1668	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1668	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1668	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1668	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1752	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1752	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1752	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1696 wrote to memory of 1752	1696	7f2717a61bf9954670ea7c947815816e.exe	cmd.exe
PID 1668 wrote to memory of 572	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 572	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 572	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 572	1668	cmd.exe	schtasks.exe
PID 1752 wrote to memory of 1452	1752	cmd.exe	timeout.exe
PID 1752 wrote to memory of 1452	1752	cmd.exe	timeout.exe
PID 1752 wrote to memory of 1452	1752	cmd.exe	timeout.exe
PID 1752 wrote to memory of 1452	1752	cmd.exe	timeout.exe
PID 1752 wrote to memory of 992	1752	cmd.exe	AnyDesk.exe
PID 1752 wrote to memory of 992	1752	cmd.exe	AnyDesk.exe
PID 1752 wrote to memory of 992	1752	cmd.exe	AnyDesk.exe
PID 1752 wrote to memory of 992	1752	cmd.exe	AnyDesk.exe

C:\Users\Admin\AppData\Local\Temp\7f2717a61bf9954670ea7c947815816e.exe
"C:\Users\Admin\AppData\Local\Temp\7f2717a61bf9954670ea7c947815816e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

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:1668

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:572

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2721.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1452

C:\Users\Admin\AppData\Roaming\AnyDesk.exe
"C:\Users\Admin\AppData\Roaming\AnyDesk.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2721.tmp.bat
Filesize
151B

MD5
ebcc90515cab8e8f2b5aa1cabab8cec7

SHA1
9fb328d75b14e206419f8dad4ffed9207fa4dae8

SHA256
9089beaf86da2dfe8e1ebe252a0b1a7b208cdd8f8c1f4566bcdeaaf703e9c69b

SHA512
50fef5e1d0bf540a618e7c2fee8a60730430a82de31be58f78e67cc0f65eb3f39e17ec5a22ed2d220cce2034df775c37c1d7363ec08d95607997b500c69002b4

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
\Users\Admin\AppData\Roaming\AnyDesk.exe
Filesize
58KB

MD5
7f2717a61bf9954670ea7c947815816e

SHA1
7bf30b1291d800c583ac863856da257eaeecd531

SHA256
15d3ee4efbe7c1ebc998c69f2d6902fb26387c83dc49e41f54c2946c420120c1

SHA512
c5f652863f10c895c212bb2dbaa1b798f01db6344e99f70519590f67f8fc5d5ea760e9ba26b83bc256159d979364c8ec7a02db53ef42736e4756e987b0f5b829

Download Submit
memory/572-59-0x0000000000000000-mapping.dmp

Download
memory/992-63-0x0000000000000000-mapping.dmp

Download
memory/992-65-0x0000000000F70000-0x0000000000F84000-memory.dmp

Filesize
80KB

Download
memory/1452-60-0x0000000000000000-mapping.dmp

Download
memory/1668-56-0x0000000000000000-mapping.dmp

Download
memory/1696-54-0x0000000000050000-0x0000000000064000-memory.dmp

Filesize
80KB

Download
memory/1696-55-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1752-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads