asyncrat | 1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52

General

Target

Discordd.exe
Size

47KB
MD5

17bbb12504a20c0c2544c8dac52ed0a1
SHA1

ff9c5d849ee5817d47e1339b7a7c266119352d45
SHA256

1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52
SHA512

b73ca96a3a51cebeb520b82b25da49785943d0aeeab731080a224c5f0397767ce12744b8f0ab56c9395b49070246badabd915882180592e4e79f7dc1882b7b44
SSDEEP

768:MuyJNTAoZjRWUJd9bmo2qLPqjtXVcPICdOYV8AbTkByRPZmRMBDZ0x:MuyJNTAGL2LTCdOajbQARPZmRKd0x

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

kLUPkJ05yxZY

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
behavioral2/files/0x000b000000023b85-11.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Discordd.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	Discord.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	Discordd.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Discord.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4984	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
4860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe
1940	Discordd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	Discordd.exe
Token: SeDebugPrivilege	2896	Discord.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1240	1940	Discordd.exe	84
PID 1940 wrote to memory of 1240	1940	Discordd.exe	84
PID 1940 wrote to memory of 1240	1940	Discordd.exe	84
PID 1940 wrote to memory of 4164	1940	Discordd.exe	86
PID 1940 wrote to memory of 4164	1940	Discordd.exe	86
PID 1940 wrote to memory of 4164	1940	Discordd.exe	86
PID 1240 wrote to memory of 4860	1240	cmd.exe	88
PID 1240 wrote to memory of 4860	1240	cmd.exe	88
PID 1240 wrote to memory of 4860	1240	cmd.exe	88
PID 4164 wrote to memory of 4984	4164	cmd.exe	89
PID 4164 wrote to memory of 4984	4164	cmd.exe	89
PID 4164 wrote to memory of 4984	4164	cmd.exe	89
PID 4164 wrote to memory of 2896	4164	cmd.exe	90
PID 4164 wrote to memory of 2896	4164	cmd.exe	90
PID 4164 wrote to memory of 2896	4164	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\Discordd.exe
"C:\Users\Admin\AppData\Local\Temp\Discordd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- 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:1240
- - 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:4860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp856C.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4164
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4984
- - 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:2896

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

Query Registry

1

T1012

System Information Discovery

2

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\tmp856C.tmp.bat

Filesize
151B

MD5
ca765346ad512e126cc11fa14d0648b9

SHA1
987429bb65bcef5f944b32988a46ed7413d0b598

SHA256
f6426343b5622205d4bd3174fc8a94c21e4487907774a80fde58bbfa627c70ed

SHA512
5c9de307d3ac2e76e7cc640fda4b36e35b7a858515105d3c5ae9bcdf6ad5f3262981615b763212bab8f3b6e079bfcff523b444bf9185bcfd25dca3f2085c597d

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

Filesize
47KB

MD5
17bbb12504a20c0c2544c8dac52ed0a1

SHA1
ff9c5d849ee5817d47e1339b7a7c266119352d45

SHA256
1b9e97ba99aed432ccc47149bc929f9ad64a16241ac168017205312075600a52

SHA512
b73ca96a3a51cebeb520b82b25da49785943d0aeeab731080a224c5f0397767ce12744b8f0ab56c9395b49070246badabd915882180592e4e79f7dc1882b7b44

Download Submit
memory/1940-0-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/1940-1-0x0000000000E20000-0x0000000000E32000-memory.dmp

Filesize
72KB

Download
memory/1940-2-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1940-3-0x0000000005860000-0x00000000058FC000-memory.dmp

Filesize
624KB

Download
memory/1940-8-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2896-13-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/2896-14-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads