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 1956 set thread context of 3032	1956	01 notifico demanda.exe	31
PID 3032 set thread context of 2624	3032	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
1812	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1956	01 notifico demanda.exe
1956	01 notifico demanda.exe
3032	cmd.exe
3032	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1956	01 notifico demanda.exe
3032	cmd.exe
3032	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 3032	1956	01 notifico demanda.exe	31
PID 1956 wrote to memory of 3032	1956	01 notifico demanda.exe	31
PID 1956 wrote to memory of 3032	1956	01 notifico demanda.exe	31
PID 1956 wrote to memory of 3032	1956	01 notifico demanda.exe	31
PID 1956 wrote to memory of 3032	1956	01 notifico demanda.exe	31
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 3032 wrote to memory of 2624	3032	cmd.exe	33
PID 2624 wrote to memory of 2096	2624	MSBuild.exe	35
PID 2624 wrote to memory of 2096	2624	MSBuild.exe	35
PID 2624 wrote to memory of 2096	2624	MSBuild.exe	35
PID 2624 wrote to memory of 2096	2624	MSBuild.exe	35
PID 2096 wrote to memory of 1812	2096	cmd.exe	37
PID 2096 wrote to memory of 1812	2096	cmd.exe	37
PID 2096 wrote to memory of 1812	2096	cmd.exe	37
PID 2096 wrote to memory of 1812	2096	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:1956
- 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:3032
- - 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:2624
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDE46.tmp.bat""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2096
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1812

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\1ff0f7ff

Filesize
777KB

MD5
32546c4fcb318bb7290aebd9507bc06e

SHA1
db588eb923cc765ecdf800f80cf7a51bfff9fdbc

SHA256
6992c889b6d5e35624ded79421a7a9d17cba704f74fefc533d514d5936625d57

SHA512
69945319bada3980469177a7e30e7aa5569c6f27690a45cb88b51b24a2418dee1a76947d4de86df4604b083b8a28391f57808431accd04b0c715cf1bb8c322a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab7699.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDD2B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE46.tmp.bat

Filesize
171B

MD5
0cff3ec350fe3630a2c2e52bf818afd0

SHA1
6220329e6369e412d1084fdcbe706b77bbfddf47

SHA256
9199d09c3b06eae2ca89af8311d5fd1e2cbe4b2836b42f265f75d249366fd71c

SHA512
5dd71c37960d91c02643ecb5a86b910b2f750e46e293d1e88fc1873c7399a33120e38ec68c90ff30bb6d6fb5435001dda26f6bbf36548c64b4892ac4173e37ab

Download Submit
memory/1956-0-0x000007FEF6170000-0x000007FEF62C8000-memory.dmp

Filesize
1.3MB

Download
memory/1956-4-0x000007FEF6189000-0x000007FEF618A000-memory.dmp

Filesize
4KB

Download
memory/1956-5-0x000007FEF6170000-0x000007FEF62C8000-memory.dmp

Filesize
1.3MB

Download
memory/1956-6-0x000007FEF6170000-0x000007FEF62C8000-memory.dmp

Filesize
1.3MB

Download
memory/1956-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2624-62-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-59-0x00000000727F0000-0x0000000073852000-memory.dmp

Filesize
16.4MB

Download
memory/2624-63-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2624-80-0x0000000000640000-0x0000000000664000-memory.dmp

Filesize
144KB

Download
memory/3032-60-0x0000000074C10000-0x0000000074D84000-memory.dmp

Filesize
1.5MB

Download
memory/3032-57-0x0000000074C10000-0x0000000074D84000-memory.dmp

Filesize
1.5MB

Download
memory/3032-55-0x0000000074C10000-0x0000000074D84000-memory.dmp

Filesize
1.5MB

Download
memory/3032-56-0x0000000074C1E000-0x0000000074C20000-memory.dmp

Filesize
8KB

Download
memory/3032-10-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download

Analysis

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