asyncrat | 0c7e0d137c2972c95d20984a8f7501fc325f5170c041f90b953aba99b05dc3f2

General

Target

028fe87e5497f4e26bbe39c176471fff.exe
Size

47KB
MD5

028fe87e5497f4e26bbe39c176471fff
SHA1

8fca7c8fe892025a88877b4a792c818c1b1577b6
SHA256

0c7e0d137c2972c95d20984a8f7501fc325f5170c041f90b953aba99b05dc3f2
SHA512

c275270e803bd39e704568026f0777dc501b7728a0994ae1fcb7a6a9db87b2c30bf584d3cec317a5a4d597f9d19760591cfda5dbd4783a603b436a1b5b59e100

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

null:null

Mutex

Mutex_6SI8OkPnk

Attributes

aes_key
DscMhyDczTKORwloBJ1epU7bQBuEDRpB
anti_detection
false
autorun
true
bdos
true
delay
Default
host
null
hwid
5
install_file
install_folder
%AppData%
mutex
Mutex_6SI8OkPnk
pastebin_config
https://pastebin.com/raw/ZPLzEGMr
port
null
version
0.5.7B

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
\Users\Admin\AppData\Roaming\svchost.exe	asyncrat
C:\Users\Admin\AppData\Roaming\svchost.exe	asyncrat
C:\Users\Admin\AppData\Roaming\svchost.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

684 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1672 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

1664 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

664 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

028fe87e5497f4e26bbe39c176471fff.exe

pid process

1612 028fe87e5497f4e26bbe39c176471fff.exe
1612 028fe87e5497f4e26bbe39c176471fff.exe
1612 028fe87e5497f4e26bbe39c176471fff.exe

pid	process
684	svchost.exe

pid	process
1672	cmd.exe

pid	process
1664	schtasks.exe

pid	process
664	timeout.exe

pid	process
1612	028fe87e5497f4e26bbe39c176471fff.exe
1612	028fe87e5497f4e26bbe39c176471fff.exe
1612	028fe87e5497f4e26bbe39c176471fff.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

028fe87e5497f4e26bbe39c176471fff.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1612	028fe87e5497f4e26bbe39c176471fff.exe
Token: SeDebugPrivilege	684	svchost.exe
Token: SeDebugPrivilege	684	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

028fe87e5497f4e26bbe39c176471fff.execmd.execmd.exe

description	pid	process	target process
PID 1612 wrote to memory of 1668	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1668	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1668	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1668	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1672	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1672	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1672	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1612 wrote to memory of 1672	1612	028fe87e5497f4e26bbe39c176471fff.exe	cmd.exe
PID 1668 wrote to memory of 1664	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 1664	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 1664	1668	cmd.exe	schtasks.exe
PID 1668 wrote to memory of 1664	1668	cmd.exe	schtasks.exe
PID 1672 wrote to memory of 664	1672	cmd.exe	timeout.exe
PID 1672 wrote to memory of 664	1672	cmd.exe	timeout.exe
PID 1672 wrote to memory of 664	1672	cmd.exe	timeout.exe
PID 1672 wrote to memory of 664	1672	cmd.exe	timeout.exe
PID 1672 wrote to memory of 684	1672	cmd.exe	svchost.exe
PID 1672 wrote to memory of 684	1672	cmd.exe	svchost.exe
PID 1672 wrote to memory of 684	1672	cmd.exe	svchost.exe
PID 1672 wrote to memory of 684	1672	cmd.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\028fe87e5497f4e26bbe39c176471fff.exe
"C:\Users\Admin\AppData\Local\Temp\028fe87e5497f4e26bbe39c176471fff.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:1664

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp7752.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:664

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:684

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

Web Service

1

T1102

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7752.tmp.bat
MD5
5499482c9ea23d926cfbe05603dc924c

SHA1
7743eb641dee4fc194f5739663650e66e76de184

SHA256
64b355965606f9ddfa51fcf6822a0f2d7c7669bc51eb754ae289e46691e9a4ab

SHA512
94bf75848586263bf555d7c04383ead02643dc01ccceb91d28bbd78c6b86ca6cba62ca0053227f5cefd9e0854da76ce2d3bbe7600c1e4629bf98917cedaffa43

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
MD5
028fe87e5497f4e26bbe39c176471fff

SHA1
8fca7c8fe892025a88877b4a792c818c1b1577b6

SHA256
0c7e0d137c2972c95d20984a8f7501fc325f5170c041f90b953aba99b05dc3f2

SHA512
c275270e803bd39e704568026f0777dc501b7728a0994ae1fcb7a6a9db87b2c30bf584d3cec317a5a4d597f9d19760591cfda5dbd4783a603b436a1b5b59e100

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
MD5
028fe87e5497f4e26bbe39c176471fff

SHA1
8fca7c8fe892025a88877b4a792c818c1b1577b6

SHA256
0c7e0d137c2972c95d20984a8f7501fc325f5170c041f90b953aba99b05dc3f2

SHA512
c275270e803bd39e704568026f0777dc501b7728a0994ae1fcb7a6a9db87b2c30bf584d3cec317a5a4d597f9d19760591cfda5dbd4783a603b436a1b5b59e100

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe
MD5
028fe87e5497f4e26bbe39c176471fff

SHA1
8fca7c8fe892025a88877b4a792c818c1b1577b6

SHA256
0c7e0d137c2972c95d20984a8f7501fc325f5170c041f90b953aba99b05dc3f2

SHA512
c275270e803bd39e704568026f0777dc501b7728a0994ae1fcb7a6a9db87b2c30bf584d3cec317a5a4d597f9d19760591cfda5dbd4783a603b436a1b5b59e100

Download Submit
memory/664-68-0x0000000000000000-mapping.dmp

Download
memory/684-71-0x0000000000000000-mapping.dmp

Download
memory/684-73-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/684-76-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/1612-63-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1612-62-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1612-60-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/1664-66-0x0000000000000000-mapping.dmp

Download
memory/1668-64-0x0000000000000000-mapping.dmp

Download
memory/1672-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads