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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Discord.exe	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

Processes:

Discord2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Discord2.exe

Executes dropped EXE 1 IoCs

Processes:

Discord.exe

pid process

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

System Information Discovery
T1082

pid	process
928	Discord.exe

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

Processes:

cmd.execmd.exetimeout.exeschtasks.exeDiscord.exeDiscord2.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2304 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

864 schtasks.exe

pid	process
2304	timeout.exe

pid	process
864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

Discord2.exe

pid	process
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe
2736	Discord2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Discord2.exeDiscord.exe

description pid process

Token: SeDebugPrivilege 2736 Discord2.exe
Token: SeDebugPrivilege 928 Discord.exe
Token: SeDebugPrivilege 928 Discord.exe

description	pid	process
Token: SeDebugPrivilege	2736	Discord2.exe
Token: SeDebugPrivilege	928	Discord.exe
Token: SeDebugPrivilege	928	Discord.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Discord2.execmd.execmd.exe

description	pid	process	target process
PID 2736 wrote to memory of 4952	2736	Discord2.exe	cmd.exe
PID 2736 wrote to memory of 4952	2736	Discord2.exe	cmd.exe
PID 2736 wrote to memory of 4952	2736	Discord2.exe	cmd.exe
PID 2736 wrote to memory of 2908	2736	Discord2.exe	cmd.exe
PID 2736 wrote to memory of 2908	2736	Discord2.exe	cmd.exe
PID 2736 wrote to memory of 2908	2736	Discord2.exe	cmd.exe
PID 4952 wrote to memory of 864	4952	cmd.exe	schtasks.exe
PID 4952 wrote to memory of 864	4952	cmd.exe	schtasks.exe
PID 4952 wrote to memory of 864	4952	cmd.exe	schtasks.exe
PID 2908 wrote to memory of 2304	2908	cmd.exe	timeout.exe
PID 2908 wrote to memory of 2304	2908	cmd.exe	timeout.exe
PID 2908 wrote to memory of 2304	2908	cmd.exe	timeout.exe
PID 2908 wrote to memory of 928	2908	cmd.exe	Discord.exe
PID 2908 wrote to memory of 928	2908	cmd.exe	Discord.exe
PID 2908 wrote to memory of 928	2908	cmd.exe	Discord.exe

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:2736

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:4952

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:864

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAF99.tmp.bat""
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2304

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:928

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\tmpAF99.tmp.bat

Filesize
151B

MD5
55ded4d32ec930ec056c5b8c2136a058

SHA1
2d3ec1ea9f691c412b2bda048071dea3a94ca97f

SHA256
75108aa1cad1aef38f0b236a464f1369c228bb2cb6bc922594e6f81246d6d504

SHA512
d31fe2321fa81e3c8faa7802e2ef19b57cedc4aeadeaab3355bf9e30406bec0a95e7d8047915b000437658319c5ca184fa5975d8c87b3aace8e10e4399d5c587

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

Filesize
47KB

MD5
3e7ca285ef320886e388dc9097e1bf92

SHA1
c2aaa30acb4c03e041aa5cca350c0095fa6d00f0

SHA256
e9727d97d2b5f5953a05eaf69a1bdab54cc757955fbab97476d94a5af5920b97

SHA512
34266fb5685485010f076d0fec19ae538f27a9da1cccaf3454117480b7ebe83a612a52b44d651fa35897b237409cabf098ae69c9572f9932adf022f9eb894006

Download Submit
memory/928-14-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/928-15-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2736-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2736-1-0x0000000000F10000-0x0000000000F22000-memory.dmp

Filesize
72KB

Download
memory/2736-2-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/2736-3-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/2736-4-0x0000000005C30000-0x0000000005CCC000-memory.dmp

Filesize
624KB

Download
memory/2736-10-0x0000000074770000-0x0000000074F20000-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