asyncrat | 38ed1513b169db909595c0f37d660ebbeeb87946ad9ada15d1ebb45f7ed4ee06

General

Target

ElitecutSetup.exe
Size

7.2MB
MD5

9b7d706bac6f21d08f43b62f993933a5
SHA1

b6794baa320f187d239d40e949f5aaf8aeff6c62
SHA256

38ed1513b169db909595c0f37d660ebbeeb87946ad9ada15d1ebb45f7ed4ee06
SHA512

f61ce99033e2e5af55d1aa425fcf69a4a4009220411d2320733430b717d2a60fd59f4df1205d4ff0b15e3f65302835a592559789bcdbbb6aaf933f28f8920bf8
SSDEEP

196608:XT9a8z0a7oXwmIaKF39LQzl99MatTxRStt5dr/:J1zHvaKFNL2l9WaInr/

Score

10^/10

asyncrat furry discovery rat

Malware Config

Extracted

Family

asyncrat

Botnet

Furry

C2

193.161.193.99:36700

Attributes

delay
1
install
true
install_file
syskprvalor.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
Executes dropped EXE 2 IoCs

Processes:

syskprvalor.exesyskprvalor.exe

pid process

2720 syskprvalor.exe
772 syskprvalor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exesyskprvalor.exe

pid process

2676 cmd.exe
2720 syskprvalor.exe

pid	process
2720	syskprvalor.exe
772	syskprvalor.exe

pid	process
2676	cmd.exe
2720	syskprvalor.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ElitecutSetup.exesyskprvalor.exe

description	pid	process	target process
PID 2320 set thread context of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2720 set thread context of 772	2720	syskprvalor.exe	syskprvalor.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 8 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.exetimeout.exeschtasks.exesyskprvalor.exesyskprvalor.exeElitecutSetup.exeElitecutSetup.execmd.exe

description	ioc	process
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	syskprvalor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syskprvalor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ElitecutSetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ElitecutSetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2268 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

2716 schtasks.exe

pid	process
2268	timeout.exe

pid	process
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ElitecutSetup.exesyskprvalor.exe

pid	process
2964	ElitecutSetup.exe
2964	ElitecutSetup.exe
2964	ElitecutSetup.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe
772	syskprvalor.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ElitecutSetup.exesyskprvalor.exe

description pid process

Token: SeDebugPrivilege 2964 ElitecutSetup.exe
Token: SeDebugPrivilege 772 syskprvalor.exe

description	pid	process
Token: SeDebugPrivilege	2964	ElitecutSetup.exe
Token: SeDebugPrivilege	772	syskprvalor.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

ElitecutSetup.exeElitecutSetup.execmd.execmd.exesyskprvalor.exe

description	pid	process	target process
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2320 wrote to memory of 2964	2320	ElitecutSetup.exe	ElitecutSetup.exe
PID 2964 wrote to memory of 2832	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2832	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2832	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2832	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	ElitecutSetup.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	ElitecutSetup.exe	cmd.exe
PID 2832 wrote to memory of 2716	2832	cmd.exe	schtasks.exe
PID 2832 wrote to memory of 2716	2832	cmd.exe	schtasks.exe
PID 2832 wrote to memory of 2716	2832	cmd.exe	schtasks.exe
PID 2832 wrote to memory of 2716	2832	cmd.exe	schtasks.exe
PID 2676 wrote to memory of 2268	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2268	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2268	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2268	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2676 wrote to memory of 2720	2676	cmd.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe
PID 2720 wrote to memory of 772	2720	syskprvalor.exe	syskprvalor.exe

C:\Users\Admin\AppData\Local\Temp\ElitecutSetup.exe
"C:\Users\Admin\AppData\Local\Temp\ElitecutSetup.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\ElitecutSetup.exe
  "C:\Users\Admin\AppData\Local\Temp\ElitecutSetup.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "syskprvalor" /tr '"C:\Users\Admin\AppData\Roaming\syskprvalor.exe"' & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "syskprvalor" /tr '"C:\Users\Admin\AppData\Roaming\syskprvalor.exe"'
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp7178.tmp.bat""
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2268
  - - C:\Users\Admin\AppData\Roaming\syskprvalor.exe
      "C:\Users\Admin\AppData\Roaming\syskprvalor.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2720
    - - C:\Users\Admin\AppData\Roaming\syskprvalor.exe
        
        "C:\Users\Admin\AppData\Roaming\syskprvalor.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:772

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabEED4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7178.tmp.bat

Filesize
155B

MD5
212344a28b6f04c28b0ea219ebbd54f7

SHA1
7e52551e611dfa1b33a0969633edb7d4f43a3c4f

SHA256
344228922a6aa2b48b9ead2a2c4958a74c2249ec427d2003a1fcef537ad5e983

SHA512
5b291b28b2d560882332fb3194eddff6c0775d5ea57cc0ebed6de2266453c2cc58bc263ed058c83baddce835a97f9b22f2953d5838e416d847062a72a079403f

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

Filesize
7.2MB

MD5
9b7d706bac6f21d08f43b62f993933a5

SHA1
b6794baa320f187d239d40e949f5aaf8aeff6c62

SHA256
38ed1513b169db909595c0f37d660ebbeeb87946ad9ada15d1ebb45f7ed4ee06

SHA512
f61ce99033e2e5af55d1aa425fcf69a4a4009220411d2320733430b717d2a60fd59f4df1205d4ff0b15e3f65302835a592559789bcdbbb6aaf933f28f8920bf8

Download Submit
memory/772-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/772-52-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/772-54-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2320-3-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/2320-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/2320-5-0x00000000065C0000-0x0000000006CC8000-memory.dmp

Filesize
7.0MB

Download
memory/2320-4-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-23-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-1-0x0000000001070000-0x00000000017AC000-memory.dmp

Filesize
7.2MB

Download
memory/2720-39-0x0000000000AB0000-0x00000000011EC000-memory.dmp

Filesize
7.2MB

Download
memory/2964-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-22-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-24-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-25-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-34-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2964-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads