asyncrat | 502d5f5c411a1eeec35a874336b32d35502abb31afd202ad66bd9b2bc341307f

General

Target

2b953a27fe875c8394d05347a5d11d14.exe
Size

109KB
MD5

2b953a27fe875c8394d05347a5d11d14
SHA1

c4976290e6ec103671e7709abbed1a92c7c9b0a2
SHA256

502d5f5c411a1eeec35a874336b32d35502abb31afd202ad66bd9b2bc341307f
SHA512

5e62c4f031a05d4b3d8bc21b65d9d784de8eb759e13fe4ca9069c1c3520a8b0dcca964e1e39a6c38267d488f46a9986beb2161468dc5bc4ad1ff7313485ddf6e
SSDEEP

3072:Foiy0nuMAXQF6PIZEDlY+9TXxzQ+HsKWbmFq5:Foinzot84umF

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

Mutex

0pe3F2LrSSkk

Attributes

delay
3
install
true
install_file
Fluxus Folder.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/qdzaTTaM

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Executes dropped EXE 3 IoCs

Processes:

Fluxus Folder.exeFluxus Folder.exeFluxus Folder.exe

pid process

2028 Fluxus Folder.exe
1868 Fluxus Folder.exe
468 Fluxus Folder.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2696 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service
T1102

Processes:

flow ioc

4 0.tcp.eu.ngrok.io
8 0.tcp.eu.ngrok.io
21 0.tcp.eu.ngrok.io
2 pastebin.com
3 pastebin.com

pid	process
2028	Fluxus Folder.exe
1868	Fluxus Folder.exe
468	Fluxus Folder.exe

pid	process
2696	cmd.exe

flow	ioc
4	0.tcp.eu.ngrok.io
8	0.tcp.eu.ngrok.io
21	0.tcp.eu.ngrok.io
2	pastebin.com
3	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

2b953a27fe875c8394d05347a5d11d14.exeFluxus Folder.exe

description	pid	process	target process
PID 2108 set thread context of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2028 set thread context of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2544 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2552 timeout.exe

pid	process
2544	schtasks.exe

pid	process
2552	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

2b953a27fe875c8394d05347a5d11d14.exe2b953a27fe875c8394d05347a5d11d14.exeFluxus Folder.exe

pid	process
2108	2b953a27fe875c8394d05347a5d11d14.exe
2108	2b953a27fe875c8394d05347a5d11d14.exe
2108	2b953a27fe875c8394d05347a5d11d14.exe
2112	2b953a27fe875c8394d05347a5d11d14.exe
2112	2b953a27fe875c8394d05347a5d11d14.exe
2028	Fluxus Folder.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

2b953a27fe875c8394d05347a5d11d14.exe2b953a27fe875c8394d05347a5d11d14.exeFluxus Folder.exeFluxus Folder.exe

description	pid	process
Token: SeDebugPrivilege	2108	2b953a27fe875c8394d05347a5d11d14.exe
Token: SeDebugPrivilege	2112	2b953a27fe875c8394d05347a5d11d14.exe
Token: SeDebugPrivilege	2028	Fluxus Folder.exe
Token: SeDebugPrivilege	468	Fluxus Folder.exe
Token: SeDebugPrivilege	468	Fluxus Folder.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

2b953a27fe875c8394d05347a5d11d14.exe2b953a27fe875c8394d05347a5d11d14.execmd.execmd.exeFluxus Folder.exe

description	pid	process	target process
PID 2108 wrote to memory of 1452	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 1452	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 1452	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 1452	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2036	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2036	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2036	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2036	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2672	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2672	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2672	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2672	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2108 wrote to memory of 2112	2108	2b953a27fe875c8394d05347a5d11d14.exe	2b953a27fe875c8394d05347a5d11d14.exe
PID 2112 wrote to memory of 2568	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2568	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2568	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2568	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2696	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2696	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2696	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2112 wrote to memory of 2696	2112	2b953a27fe875c8394d05347a5d11d14.exe	cmd.exe
PID 2696 wrote to memory of 2552	2696	cmd.exe	timeout.exe
PID 2696 wrote to memory of 2552	2696	cmd.exe	timeout.exe
PID 2696 wrote to memory of 2552	2696	cmd.exe	timeout.exe
PID 2696 wrote to memory of 2552	2696	cmd.exe	timeout.exe
PID 2568 wrote to memory of 2544	2568	cmd.exe	schtasks.exe
PID 2568 wrote to memory of 2544	2568	cmd.exe	schtasks.exe
PID 2568 wrote to memory of 2544	2568	cmd.exe	schtasks.exe
PID 2568 wrote to memory of 2544	2568	cmd.exe	schtasks.exe
PID 2696 wrote to memory of 2028	2696	cmd.exe	Fluxus Folder.exe
PID 2696 wrote to memory of 2028	2696	cmd.exe	Fluxus Folder.exe
PID 2696 wrote to memory of 2028	2696	cmd.exe	Fluxus Folder.exe
PID 2696 wrote to memory of 2028	2696	cmd.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 1868	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 1868	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 1868	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 1868	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe
PID 2028 wrote to memory of 468	2028	Fluxus Folder.exe	Fluxus Folder.exe

C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe
"C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe
  "C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe"
  2⤵
  PID:1452
- C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe
  "C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe"
  2⤵
  PID:2036
- C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe
  "C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe"
  2⤵
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe
  "C:\Users\Admin\AppData\Local\Temp\2b953a27fe875c8394d05347a5d11d14.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Fluxus Folder" /tr '"C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "Fluxus Folder" /tr '"C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe"'
      4⤵
      Creates scheduled task(s)
      PID:2544
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9415.tmp.bat""
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:2552
  - - C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe
      "C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2028
    - - C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe
        
        "C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe"
        5⤵
        Executes dropped EXE
        
        PID:1868
    - - C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe
        
        "C:\Users\Admin\AppData\Roaming\Fluxus Folder.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab10D4.tmp

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2580.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9415.tmp.bat

Filesize
157B

MD5
b19d38eedf7af35641390880d9bc4913

SHA1
882c7b5aa780b783b2073e513fd3de9bf00b3a21

SHA256
f9b7c08f81ca4557a64ff9de418db7e0c28c6495a11a789fe0bcf01b2da21b46

SHA512
6b0a89f7ae15f1086a238c5282fef6970796b930977a3db0c412b2d4be2e6b5c1895c4e30157762204f7e68da537fae62479c22cd5c02704d5be388517f53d24

Download Submit
\Users\Admin\AppData\Roaming\Fluxus Folder.exe

Filesize
109KB

MD5
2b953a27fe875c8394d05347a5d11d14

SHA1
c4976290e6ec103671e7709abbed1a92c7c9b0a2

SHA256
502d5f5c411a1eeec35a874336b32d35502abb31afd202ad66bd9b2bc341307f

SHA512
5e62c4f031a05d4b3d8bc21b65d9d784de8eb759e13fe4ca9069c1c3520a8b0dcca964e1e39a6c38267d488f46a9986beb2161468dc5bc4ad1ff7313485ddf6e

Download Submit
memory/468-49-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/468-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/468-47-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-34-0x0000000000EE0000-0x0000000000F02000-memory.dmp

Filesize
136KB

Download
memory/2108-5-0x0000000000480000-0x00000000004A0000-memory.dmp

Filesize
128KB

Download
memory/2108-4-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-3-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2108-2-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2108-1-0x0000000000180000-0x00000000001A2000-memory.dmp

Filesize
136KB

Download
memory/2108-18-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-17-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-20-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-19-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-30-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-14-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-8-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2112-6-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads