asyncrat | 5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb

General

Target

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Size

256KB
MD5

5e2250b31ec719a3f37b0e0d5a922ce6
SHA1

5ca6077879418d910079222335fb5903eb7048b9
SHA256

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb
SHA512

df25a8d4afa71edb88c0dd167badbd0b932b7674f1d0c3a81cd8976252a9555dc58322333871db4d248ea02020b0f91cf300b9845a478763b0872c880fcae5ad
SSDEEP

6144:4tAUWUhx4fQUZsb88mBTgbbBqLa1F4kIn1cgmlwYbFBtamZ0bSI:4uYhx4f/ZSbbBqJcgmlwYbFBtamZ0bX

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

2296 file.exe
2196 file.exe
2868 file.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1460 cmd.exe

pid	process
2296	file.exe
2196	file.exe
2868	file.exe

pid	process
1460	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exefile.exe

description	pid	process	target process
PID 2792 set thread context of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 set thread context of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2296 set thread context of 2196	2296	file.exe	file.exe
PID 2296 set thread context of 2868	2296	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:

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.execmd.exetimeout.exefile.exefile.exe5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.execmd.exeschtasks.exefile.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1864 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

1884 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe

pid process

2740 5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe

pid	process
1864	timeout.exe

pid	process
1884	schtasks.exe

pid	process
2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exefile.exe

description	pid	process
Token: SeDebugPrivilege	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Token: SeDebugPrivilege	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
Token: SeDebugPrivilege	2296	file.exe

Suspicious use of WriteProcessMemory 56 IoCs

Processes:

5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.execmd.execmd.exefile.exe

description	pid	process	target process
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2740	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2792 wrote to memory of 2752	2792	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
PID 2740 wrote to memory of 2144	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 2144	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 2144	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 2144	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 1460	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 1460	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 1460	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 2740 wrote to memory of 1460	2740	5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe	cmd.exe
PID 1460 wrote to memory of 1864	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1864	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1864	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1864	1460	cmd.exe	timeout.exe
PID 2144 wrote to memory of 1884	2144	cmd.exe	schtasks.exe
PID 2144 wrote to memory of 1884	2144	cmd.exe	schtasks.exe
PID 2144 wrote to memory of 1884	2144	cmd.exe	schtasks.exe
PID 2144 wrote to memory of 1884	2144	cmd.exe	schtasks.exe
PID 1460 wrote to memory of 2296	1460	cmd.exe	file.exe
PID 1460 wrote to memory of 2296	1460	cmd.exe	file.exe
PID 1460 wrote to memory of 2296	1460	cmd.exe	file.exe
PID 1460 wrote to memory of 2296	1460	cmd.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2196	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe
PID 2296 wrote to memory of 2868	2296	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
"C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792

C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740

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:2144

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:1884

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpE7C0.tmp.bat""
3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1864

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:2296

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:2196

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:2868

C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
C:\Users\Admin\AppData\Local\Temp\5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb.exe
2⤵
- System Location Discovery: System Language Discovery
PID:2752

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE7C0.tmp.bat

Filesize
148B

MD5
d7065b29941fb79d02d03be3c73f485a

SHA1
b91e563f9dd7ce9facba0f5de599f5ec6ae1fd8f

SHA256
f9f288f4446c2dfa71b6e6263719eb5aa00185dcab0b3256c70bcf4b8faa1a50

SHA512
a94bc8b6243ecc4bc93a2dcccc86a884fcc1438322ad960331f9470e59be42b056ef4b84cf2db691af00a6411e19fb7469ea77501ae2cb5c68795212d240d17e

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

Filesize
256KB

MD5
5e2250b31ec719a3f37b0e0d5a922ce6

SHA1
5ca6077879418d910079222335fb5903eb7048b9

SHA256
5be7483945953a8b8ffd55749ab84dec1a13b69427b3cb7694445ed8ffc834cb

SHA512
df25a8d4afa71edb88c0dd167badbd0b932b7674f1d0c3a81cd8976252a9555dc58322333871db4d248ea02020b0f91cf300b9845a478763b0872c880fcae5ad

Download Submit
memory/2196-41-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-42-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2296-38-0x00000000012A0000-0x00000000012EA000-memory.dmp

Filesize
296KB

Download
memory/2740-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2740-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2740-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2740-17-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-34-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-20-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-22-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-24-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-19-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-21-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-23-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-5-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2792-18-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2792-4-0x0000000000530000-0x0000000000570000-memory.dmp

Filesize
256KB

Download
memory/2792-3-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2792-1-0x0000000000AB0000-0x0000000000AFA000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads