asyncrat | e9727d97d2b5f5953a05eaf69a1bdab54cc757955fbab97476d94a5af5920b97

General

Target

Discord2.exe
Size

47KB
MD5

3e7ca285ef320886e388dc9097e1bf92
SHA1

c2aaa30acb4c03e041aa5cca350c0095fa6d00f0
SHA256

e9727d97d2b5f5953a05eaf69a1bdab54cc757955fbab97476d94a5af5920b97
SHA512

34266fb5685485010f076d0fec19ae538f27a9da1cccaf3454117480b7ebe83a612a52b44d651fa35897b237409cabf098ae69c9572f9932adf022f9eb894006
SSDEEP

768:cuyJNTAoZjRWUJd9bmo2qLZYPILhlH2PVFf2PIR84WnZQe4bg24mQG76nRqw6zse:cuyJNTAGL2g32Pzf/R83QFbg2bH6RqJX

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

18.ip.gl.ply.gg:6606

18.ip.gl.ply.gg:7707

18.ip.gl.ply.gg:8808

18.ip.gl.ply.gg:9028

Mutex

HyFTucy74RnH

Attributes

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

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x000c00000001202c-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
532	Discord.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	cmd.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 6 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Discord.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Discord2.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2296	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

pid	Process
892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2836	Discord2.exe
2836	Discord2.exe
2836	Discord2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	Discord2.exe
Token: SeDebugPrivilege	532	Discord.exe
Token: SeDebugPrivilege	532	Discord.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2868	2836	Discord2.exe	31
PID 2836 wrote to memory of 2868	2836	Discord2.exe	31
PID 2836 wrote to memory of 2868	2836	Discord2.exe	31
PID 2836 wrote to memory of 2868	2836	Discord2.exe	31
PID 2836 wrote to memory of 2644	2836	Discord2.exe	33
PID 2836 wrote to memory of 2644	2836	Discord2.exe	33
PID 2836 wrote to memory of 2644	2836	Discord2.exe	33
PID 2836 wrote to memory of 2644	2836	Discord2.exe	33
PID 2868 wrote to memory of 892	2868	cmd.exe	35
PID 2868 wrote to memory of 892	2868	cmd.exe	35
PID 2868 wrote to memory of 892	2868	cmd.exe	35
PID 2868 wrote to memory of 892	2868	cmd.exe	35
PID 2644 wrote to memory of 2296	2644	cmd.exe	36
PID 2644 wrote to memory of 2296	2644	cmd.exe	36
PID 2644 wrote to memory of 2296	2644	cmd.exe	36
PID 2644 wrote to memory of 2296	2644	cmd.exe	36
PID 2644 wrote to memory of 532	2644	cmd.exe	37
PID 2644 wrote to memory of 532	2644	cmd.exe	37
PID 2644 wrote to memory of 532	2644	cmd.exe	37
PID 2644 wrote to memory of 532	2644	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\Discord2.exe
"C:\Users\Admin\AppData\Local\Temp\Discord2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:892
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp77A0.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2296
- - C:\Users\Admin\AppData\Roaming\Discord.exe
    "C:\Users\Admin\AppData\Roaming\Discord.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:532

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\tmp77A0.tmp.bat

Filesize
151B

MD5
01a324825849833368cd60b1c5689cac

SHA1
4f5936f4265ba4c0fd6191b7e811a7bb1121b01a

SHA256
e6b07db67e7bc919d2721f0eac8d5de3d188dcfffaa1bb50c3990f15db8f2ae1

SHA512
868383075cd9843ff1475d0abc62897af754aac6c3123bfef9f404120d17ca2e04dc58f0615d148d9f11cd830da58ffe9d1e8b0713e7ecc67c3f79e9389a3ba9

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

Filesize
47KB

MD5
3e7ca285ef320886e388dc9097e1bf92

SHA1
c2aaa30acb4c03e041aa5cca350c0095fa6d00f0

SHA256
e9727d97d2b5f5953a05eaf69a1bdab54cc757955fbab97476d94a5af5920b97

SHA512
34266fb5685485010f076d0fec19ae538f27a9da1cccaf3454117480b7ebe83a612a52b44d651fa35897b237409cabf098ae69c9572f9932adf022f9eb894006

Download Submit
memory/532-16-0x0000000000250000-0x0000000000262000-memory.dmp

Filesize
72KB

Download
memory/2836-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2836-1-0x0000000000970000-0x0000000000982000-memory.dmp

Filesize
72KB

Download
memory/2836-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-11-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads