asyncrat | c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27

General

Target

c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
Size

45KB
MD5

05b54deb0e3e6a3fb9155a14642b50ba
SHA1

77bf6744502a5946861baf104c1cf4babc171b9c
SHA256

c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27
SHA512

3668e77850acfb0c42f1d15de08fcd737f0c6d7087f25f6404b1f378aea94ca34ab0d85f2bea1c8a9d11692a039d0fa42aeec4876bb802ae2c192608e5bc5a9b
SSDEEP

768:6uKQ9TH4EjZWUR/ejmo2qrYKjPGaG6PIyzjbFgX3i6cpxs298YBDZTx:6uKQ9THfe2BKTkDy3bCXSpF9LdTx

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

lmk8StbxTzvz

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/0x0008000000023c99-11.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1992	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
4212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
Token: SeDebugPrivilege	2852	Discord.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 228	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	84
PID 460 wrote to memory of 228	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	84
PID 460 wrote to memory of 228	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	84
PID 460 wrote to memory of 3472	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	86
PID 460 wrote to memory of 3472	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	86
PID 460 wrote to memory of 3472	460	c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe	86
PID 228 wrote to memory of 4212	228	cmd.exe	88
PID 228 wrote to memory of 4212	228	cmd.exe	88
PID 228 wrote to memory of 4212	228	cmd.exe	88
PID 3472 wrote to memory of 1992	3472	cmd.exe	89
PID 3472 wrote to memory of 1992	3472	cmd.exe	89
PID 3472 wrote to memory of 1992	3472	cmd.exe	89
PID 3472 wrote to memory of 2852	3472	cmd.exe	90
PID 3472 wrote to memory of 2852	3472	cmd.exe	90
PID 3472 wrote to memory of 2852	3472	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe
"C:\Users\Admin\AppData\Local\Temp\c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460
- 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:228
- - 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:4212
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAEAF.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3472
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1992
- - 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:2852

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\tmpAEAF.tmp.bat

Filesize
151B

MD5
2228e1620b28723f8fbdd29607394bc1

SHA1
33c0a236beb9fb1378508965c35709fa764f8dd2

SHA256
3886a89d64329869de532024b76973da4320090cdd82a26c04124002036fc3bb

SHA512
0227ddb48449c5553b2dfc100d83eec8b22ef081f1885e2dbf274e5fbc2c287b5fb59d1fe8c71613ac3ebd7d1278831f9775e00695eb8eabaac9f790f2625cff

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

Filesize
45KB

MD5
05b54deb0e3e6a3fb9155a14642b50ba

SHA1
77bf6744502a5946861baf104c1cf4babc171b9c

SHA256
c759cde09cf057c2430ceb74bd7f15427d2ad27f0b77dcc8630c8a148486cf27

SHA512
3668e77850acfb0c42f1d15de08fcd737f0c6d7087f25f6404b1f378aea94ca34ab0d85f2bea1c8a9d11692a039d0fa42aeec4876bb802ae2c192608e5bc5a9b

Download Submit
memory/460-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/460-1-0x0000000000930000-0x0000000000942000-memory.dmp

Filesize
72KB

Download
memory/460-2-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/460-3-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/460-8-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2852-13-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-14-0x0000000074D30000-0x00000000754E0000-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