asyncrat | 08677f9228e22c78ac5021183f95fe7cf6e9a771d7010c29f5ca5aa4bc3635da

General

Target

ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA/01 notifico demanda.exe
Size

12.0MB
MD5

a7118dffeac3772076f1a39a364d608d
SHA1

6b984d9446f23579e154ec47437b9cf820fd6b67
SHA256

f1973746ac0a703b23526f68c639436f0b26b0bc71c4f5adf36dc5f6e8a7f4d0
SHA512

f547c13b78acda9ca0523f0f8cd966c906f70a23a266ac86156dc7e17e6349e5f506366787e7a7823e2b07b0d614c9bd08e34ca5cc4f48799b0fe36ac836e890
SSDEEP

98304:ReAtQzKADvk/9TEaImN9/tiHBIn8c3hCEFRUTaZnPZOtXwH:ReAOWOM/FE1mNHiFc3hr7UTaZnhOtXwH

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

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

Botnet

Default

C2

envnuev1124.duckdns.org:3013

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2928	2700	01 notifico demanda.exe	31
PID 2928 set thread context of 2896	2928	cmd.exe	33

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 4 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
688	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2700	01 notifico demanda.exe
2700	01 notifico demanda.exe
2928	cmd.exe
2928	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2700	01 notifico demanda.exe
2928	cmd.exe
2928	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2928	2700	01 notifico demanda.exe	31
PID 2700 wrote to memory of 2928	2700	01 notifico demanda.exe	31
PID 2700 wrote to memory of 2928	2700	01 notifico demanda.exe	31
PID 2700 wrote to memory of 2928	2700	01 notifico demanda.exe	31
PID 2700 wrote to memory of 2928	2700	01 notifico demanda.exe	31
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2928 wrote to memory of 2896	2928	cmd.exe	33
PID 2896 wrote to memory of 2340	2896	MSBuild.exe	35
PID 2896 wrote to memory of 2340	2896	MSBuild.exe	35
PID 2896 wrote to memory of 2340	2896	MSBuild.exe	35
PID 2896 wrote to memory of 2340	2896	MSBuild.exe	35
PID 2340 wrote to memory of 688	2340	cmd.exe	37
PID 2340 wrote to memory of 688	2340	cmd.exe	37
PID 2340 wrote to memory of 688	2340	cmd.exe	37
PID 2340 wrote to memory of 688	2340	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA\01 notifico demanda.exe
"C:\Users\Admin\AppData\Local\Temp\ENVIO COPIA DE LA NOTIFICACION ELECTRONICA DEMANDA\01 notifico demanda.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB01.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2340
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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\Cab6CB9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA71.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\da4cead9

Filesize
777KB

MD5
b25c63ec0bfe5bae19f173b8b9cfbe33

SHA1
f0fd94903a42cb7fe9713898a74897096eaefe58

SHA256
fdb4996c187da248613fd977f031c94f6030f1b207747546f21e95a9d15f305f

SHA512
a7eca558d8a8f41edd6a7df21821995bac2aad77ce52c244897299f00d85dd17a216224eb659e5a2435d69295e675531d6ce8fa1bbbce1cf1326e98e5e71e219

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB01.tmp.bat

Filesize
170B

MD5
addc99755ff9b25fd52e6e7d34c43b9c

SHA1
4ffcb6e1ff776842cc566f2247cf2b7c374e13e9

SHA256
1eabfb5723dd598128dbe47256c6fede70ae642d92745f7ff71ad826f294f7b5

SHA512
2609cbd4545c187ad91d8a56e7137efc1589cfd387895804f985d095785ac279552707c4a82ff941a341c51cfd2e829a376cf10582896ba933f61f59a995c673

Download Submit
memory/2700-0-0x000007FEF6EB0000-0x000007FEF7008000-memory.dmp

Filesize
1.3MB

Download
memory/2700-4-0x000007FEF6EC9000-0x000007FEF6ECA000-memory.dmp

Filesize
4KB

Download
memory/2700-5-0x000007FEF6EB0000-0x000007FEF7008000-memory.dmp

Filesize
1.3MB

Download
memory/2700-6-0x000007FEF6EB0000-0x000007FEF7008000-memory.dmp

Filesize
1.3MB

Download
memory/2700-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2896-62-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-59-0x0000000073090000-0x00000000740F2000-memory.dmp

Filesize
16.4MB

Download
memory/2896-63-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2896-80-0x0000000000590000-0x00000000005B4000-memory.dmp

Filesize
144KB

Download
memory/2928-60-0x0000000075320000-0x0000000075494000-memory.dmp

Filesize
1.5MB

Download
memory/2928-57-0x0000000075320000-0x0000000075494000-memory.dmp

Filesize
1.5MB

Download
memory/2928-55-0x0000000075320000-0x0000000075494000-memory.dmp

Filesize
1.5MB

Download
memory/2928-56-0x000000007532E000-0x0000000075330000-memory.dmp

Filesize
8KB

Download
memory/2928-10-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download

Analysis

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