asyncrat | 49e31f8fbab7da57b575da0fcab3cc4f412c922c4af95416e68134de3d743844

General

Target

Fructose Checker.exe
Size

9.7MB
MD5

c9f3e6d590c86065a93b9a93efab2363
SHA1

035c94447fb233dc962bb9a578b2a01b9a312e8e
SHA256

49e31f8fbab7da57b575da0fcab3cc4f412c922c4af95416e68134de3d743844
SHA512

a3a951fa341b8fda94fea428ace54b119966c1243b3e6ac419323e8bb17aa1251944d4a8d6783ffd15bf4cf246dd57e00afaa49311f73d655b0ad6b63224327d
SSDEEP

196608:FtW1v4s39/4BsNYFRetQ+Ym9nLIUMBuiyObFrEUndTfyHdy2Cao7/NEeLurDRc:FmAsN/4GNY4QgLIZyMFVdfyMLJ7BLcDC

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Default

C2

googl3d.ddnsking.com:8808

googl3d.ddnsking.com:8080

googl3d.ddnsking.com:7707

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
Runtime.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x00330000000194e9-16.dat	family_asyncrat

Executes dropped EXE 3 IoCs

pid	Process
2932	Fructose Check.exe
2692	Runtime.exe
1700	Runtime.exe

Loads dropped DLL 3 IoCs

pid	Process
2716	Fructose Checker.exe
2580	Process not Found
3052	cmd.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	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	Runtime.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Runtime.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
856	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
3024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2692	Runtime.exe
2692	Runtime.exe
2692	Runtime.exe
1700	Runtime.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	Runtime.exe
Token: SeDebugPrivilege	1700	Runtime.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1700	Runtime.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2932	2716	Fructose Checker.exe	30
PID 2716 wrote to memory of 2932	2716	Fructose Checker.exe	30
PID 2716 wrote to memory of 2932	2716	Fructose Checker.exe	30
PID 2716 wrote to memory of 2692	2716	Fructose Checker.exe	32
PID 2716 wrote to memory of 2692	2716	Fructose Checker.exe	32
PID 2716 wrote to memory of 2692	2716	Fructose Checker.exe	32
PID 2716 wrote to memory of 2692	2716	Fructose Checker.exe	32
PID 2692 wrote to memory of 2592	2692	Runtime.exe	33
PID 2692 wrote to memory of 2592	2692	Runtime.exe	33
PID 2692 wrote to memory of 2592	2692	Runtime.exe	33
PID 2692 wrote to memory of 2592	2692	Runtime.exe	33
PID 2692 wrote to memory of 3052	2692	Runtime.exe	35
PID 2692 wrote to memory of 3052	2692	Runtime.exe	35
PID 2692 wrote to memory of 3052	2692	Runtime.exe	35
PID 2692 wrote to memory of 3052	2692	Runtime.exe	35
PID 2592 wrote to memory of 3024	2592	cmd.exe	37
PID 2592 wrote to memory of 3024	2592	cmd.exe	37
PID 2592 wrote to memory of 3024	2592	cmd.exe	37
PID 2592 wrote to memory of 3024	2592	cmd.exe	37
PID 3052 wrote to memory of 856	3052	cmd.exe	38
PID 3052 wrote to memory of 856	3052	cmd.exe	38
PID 3052 wrote to memory of 856	3052	cmd.exe	38
PID 3052 wrote to memory of 856	3052	cmd.exe	38
PID 3052 wrote to memory of 1700	3052	cmd.exe	39
PID 3052 wrote to memory of 1700	3052	cmd.exe	39
PID 3052 wrote to memory of 1700	3052	cmd.exe	39
PID 3052 wrote to memory of 1700	3052	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\Fructose Checker.exe
"C:\Users\Admin\AppData\Local\Temp\Fructose Checker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\Fructose Check.exe
  "C:\Users\Admin\AppData\Local\Temp\Fructose Check.exe"
  2⤵
  - Executes dropped EXE
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\Runtime.exe
  "C:\Users\Admin\AppData\Local\Temp\Runtime.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Runtime" /tr '"C:\Users\Admin\AppData\Roaming\Runtime.exe"' & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "Runtime" /tr '"C:\Users\Admin\AppData\Roaming\Runtime.exe"'
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4441.tmp.bat""
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3052
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:856
  - - C:\Users\Admin\AppData\Roaming\Runtime.exe
      "C:\Users\Admin\AppData\Roaming\Runtime.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1700

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Runtime.exe

Filesize
66KB

MD5
0433c7ab3456438e9f6ef3a02a78af76

SHA1
d179cd62d961db78f88d048bf7ced9c6dc46782a

SHA256
06b7a3e877810de0c28466b68e81066bb76b22db9541be32864c1dae5873f0b0

SHA512
214a7641d8a929f5a7bdbe47ad46fe4674e34d5f5fbf44c156f472aca4e1b091e447a18c4891f1289a0f08f2e3e3c1b85c990f412a42d0d8f5f331d300338cbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4441.tmp.bat

Filesize
151B

MD5
062c66de9f316c8f4c527ae1dbac2e4e

SHA1
7b0b15e7708fab723b1bab85884039b5de4067e8

SHA256
fa52adff471c8212913cacbdd4911a1bb7024023ad7d3d88092c2bfc24de0d83

SHA512
a82c2f05916258248d763f4736a568ec633d56999a96a8a1ae2234fe3a6a8110850ffd8c4074eece7f7f17f173c14d55dcf9c0542a1afb9c18aa65872257d853

Download Submit
\Users\Admin\AppData\Local\Temp\Fructose Check.exe

Filesize
22.4MB

MD5
1d00ccd2db1741957e59c130987c9a86

SHA1
11e8f9a13f84bdf5b9039a4b74835209ed4ad46e

SHA256
c08a5d04b4a42324a1d3bf8308f65f9dbb893a09f5f82134753dfb1cc307834f

SHA512
2ce4589ff25a17c8efd2026f4d0ba85beed3f8d75732c9c7a9113e3ff1d3fe158f3d280e1f6bce6bd93a02520d6abde2a2c67a648195006a8168ff998041e135

Download Submit
memory/1700-31-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2692-18-0x0000000000A60000-0x0000000000A76000-memory.dmp

Filesize
88KB

Download
memory/2716-0-0x000007FEF5D33000-0x000007FEF5D34000-memory.dmp

Filesize
4KB

Download
memory/2716-1-0x0000000000E00000-0x00000000017B8000-memory.dmp

Filesize
9.7MB

Download
memory/2716-2-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-17-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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