asyncrat | ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b

General

Target

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
Size

258KB
MD5

46bb734c47fd5bd04999e5854a4d3c6e
SHA1

6dc503c57bd9dbd7dde00e969d6f325e6b51febf
SHA256

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b
SHA512

90b16e51825d7d5311f21d2d6792add4f4bd090c3c39f2671550375f3a86f48ac56ce5b098e70d3f3d3034f929bb69a7a94ac8991c442a09e786fa378b0a3381
SSDEEP

3072:+5anOtzyzmT53JiWYTxPdWnpsKtEhHQcx4sLSs99EIzpvf2iFgC79+tMQbI:+5UOkz4YpAOpusOq9EINeEgC79+ttI

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

154.216.17.207:7707

154.216.17.207:8808

154.216.17.207:1188

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
100
install
true
install_file
file.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Executes dropped EXE 3 IoCs

Processes:

file.exefile.exefile.exe

pid process

2396 file.exe
748 file.exe
1080 file.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

924 cmd.exe

pid	process
2396	file.exe
748	file.exe
1080	file.exe

pid	process
924	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exefile.exe

description	pid	process	target process
PID 2076 set thread context of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 set thread context of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2396 set thread context of 748	2396	file.exe	file.exe
PID 2396 set thread context of 1080	2396	file.exe	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.execmd.execmd.exefile.exefile.execcea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exetimeout.exeschtasks.exefile.execcea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

292 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

Processes:

schtasks.exe

pid process

380 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe

pid process

1668 ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe

pid	process
292	timeout.exe

pid	process
380	schtasks.exe

pid	process
1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.execcea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exefile.exe

description	pid	process
Token: SeDebugPrivilege	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
Token: SeDebugPrivilege	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
Token: SeDebugPrivilege	2396	file.exe

Suspicious use of WriteProcessMemory 56 IoCs

Processes:

ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.execcea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.execmd.execmd.exefile.exe

description	pid	process	target process
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1668	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 2076 wrote to memory of 1720	2076	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
PID 1668 wrote to memory of 1480	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 1480	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 1480	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 1480	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 924	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 924	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 924	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 1668 wrote to memory of 924	1668	ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe	cmd.exe
PID 924 wrote to memory of 292	924	cmd.exe	timeout.exe
PID 924 wrote to memory of 292	924	cmd.exe	timeout.exe
PID 924 wrote to memory of 292	924	cmd.exe	timeout.exe
PID 924 wrote to memory of 292	924	cmd.exe	timeout.exe
PID 1480 wrote to memory of 380	1480	cmd.exe	schtasks.exe
PID 1480 wrote to memory of 380	1480	cmd.exe	schtasks.exe
PID 1480 wrote to memory of 380	1480	cmd.exe	schtasks.exe
PID 1480 wrote to memory of 380	1480	cmd.exe	schtasks.exe
PID 924 wrote to memory of 2396	924	cmd.exe	file.exe
PID 924 wrote to memory of 2396	924	cmd.exe	file.exe
PID 924 wrote to memory of 2396	924	cmd.exe	file.exe
PID 924 wrote to memory of 2396	924	cmd.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 748	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe
PID 2396 wrote to memory of 1080	2396	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
"C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076

C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "file" /tr '"C:\Users\Admin\AppData\Roaming\file.exe"' & exit
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "file" /tr '"C:\Users\Admin\AppData\Roaming\file.exe"'
4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:380

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp644F.tmp.bat""
3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:292

C:\Users\Admin\AppData\Roaming\file.exe
"C:\Users\Admin\AppData\Roaming\file.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396

C:\Users\Admin\AppData\Roaming\file.exe
C:\Users\Admin\AppData\Roaming\file.exe
5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:748

C:\Users\Admin\AppData\Roaming\file.exe
C:\Users\Admin\AppData\Roaming\file.exe
5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1080

C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
C:\Users\Admin\AppData\Local\Temp\ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b.exe
2⤵
- System Location Discovery: System Language Discovery
PID:1720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp644F.tmp.bat

Filesize
148B

MD5
c3fd5fd69b348922becfc5fcddb5bd74

SHA1
c597f0559fdc03a075a6ae6ec4fc7f5aa2ff5eac

SHA256
045b001d565e97b9aaf8888668cfa560b0d8ea57fbacaddb26132f697cb52570

SHA512
f731df94569a2bc613fe00093aadf9e4915f7a292d032c626e8de210c3459dc6e499647bb64c1566575f814837bc923ae349e93ed5653abe1d81d8351a240301

Download Submit
\Users\Admin\AppData\Roaming\file.exe

Filesize
258KB

MD5
46bb734c47fd5bd04999e5854a4d3c6e

SHA1
6dc503c57bd9dbd7dde00e969d6f325e6b51febf

SHA256
ccea7af19365b950a3f04f3867bb463cc2ac2343d449ec5b0807009c29ace47b

SHA512
90b16e51825d7d5311f21d2d6792add4f4bd090c3c39f2671550375f3a86f48ac56ce5b098e70d3f3d3034f929bb69a7a94ac8991c442a09e786fa378b0a3381

Download Submit
memory/748-43-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1080-47-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-20-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-34-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-17-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-22-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-23-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-21-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-18-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/1720-24-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-19-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2076-5-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2076-3-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2076-4-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000000A70000-0x0000000000ABA000-memory.dmp

Filesize
296KB

Download
memory/2396-38-0x0000000000200000-0x000000000024A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads