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
behavioral2/files/0x0008000000023cd2-12.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Discord2.exe

Executes dropped EXE 1 IoCs

pid	Process
4972	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	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
4452	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
4696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe
4812	Discord2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	Discord2.exe
Token: SeDebugPrivilege	4972	Discord.exe
Token: SeDebugPrivilege	4972	Discord.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 652	4812	Discord2.exe	86
PID 4812 wrote to memory of 652	4812	Discord2.exe	86
PID 4812 wrote to memory of 652	4812	Discord2.exe	86
PID 4812 wrote to memory of 4820	4812	Discord2.exe	88
PID 4812 wrote to memory of 4820	4812	Discord2.exe	88
PID 4812 wrote to memory of 4820	4812	Discord2.exe	88
PID 652 wrote to memory of 4696	652	cmd.exe	90
PID 652 wrote to memory of 4696	652	cmd.exe	90
PID 652 wrote to memory of 4696	652	cmd.exe	90
PID 4820 wrote to memory of 4452	4820	cmd.exe	91
PID 4820 wrote to memory of 4452	4820	cmd.exe	91
PID 4820 wrote to memory of 4452	4820	cmd.exe	91
PID 4820 wrote to memory of 4972	4820	cmd.exe	92
PID 4820 wrote to memory of 4972	4820	cmd.exe	92
PID 4820 wrote to memory of 4972	4820	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\Discord2.exe
"C:\Users\Admin\AppData\Local\Temp\Discord2.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812
- 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:652
- - 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:4696
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpABE0.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4452
- - 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:4972

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\tmpABE0.tmp.bat

Filesize
151B

MD5
05fbe80e5a3833eaa13efde1f57b24f2

SHA1
f50269fc2131766fd55282f7e52d0d7e02d5a5a4

SHA256
4db629b5d86ad7f69431e51f5e368bf2d0eee3c56c4a7571d7e63a116a9d0fbb

SHA512
6264806a894af4bbcb491932a7756f2678b66086c0c6833267debed934fe307819c73ff934ddaeebed440f5a9824336d016ed49cb9fffe2580fce7b7e598a06f

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

Filesize
47KB

MD5
3e7ca285ef320886e388dc9097e1bf92

SHA1
c2aaa30acb4c03e041aa5cca350c0095fa6d00f0

SHA256
e9727d97d2b5f5953a05eaf69a1bdab54cc757955fbab97476d94a5af5920b97

SHA512
34266fb5685485010f076d0fec19ae538f27a9da1cccaf3454117480b7ebe83a612a52b44d651fa35897b237409cabf098ae69c9572f9932adf022f9eb894006

Download Submit
memory/4812-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/4812-1-0x00000000000E0000-0x00000000000F2000-memory.dmp

Filesize
72KB

Download
memory/4812-2-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-3-0x0000000004AA0000-0x0000000004B06000-memory.dmp

Filesize
408KB

Download
memory/4812-4-0x0000000004FA0000-0x000000000503C000-memory.dmp

Filesize
624KB

Download
memory/4812-9-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4972-15-0x0000000074D70000-0x0000000075520000-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