asyncrat | 61ffd11a88da5f4046f4586b08ae56c3292ca6a5b5e7e9d8eee53939c402162e

Analysis

max time kernel
134s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 16:19

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General

Target

Payment Invoice Copy.exe
Size

578KB
MD5

e3bbcd9ecd0c7a43d84c42f47877d766
SHA1

d2fea2b4fa4ded44078f641932d8399af76a9370
SHA256

142615d8e77bb22a168f6f26f374b99b06fa2bc6942627c4170e0983ebdc60ed
SHA512

e3bf21da59e7446c28e28777c4629d9003615e5b5e31b80635b47b6f34220f240875de0340f08dabbefaedccbaf1e792d5ce0e5d51131074cfdf849a38db4e66
SSDEEP

12288:yk/2L2IW2iN/2iNL3uMLdsiqoGksTLCu5ZkbzUH:yQ2Y1J153uM4oaLGzc

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

23.92.209.138:6606

23.92.209.138:7707

23.92.209.138:8808

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 1 IoCs

description	pid	Process	procid_target
PID 1236 set thread context of 4148	1236	Payment Invoice Copy.exe	98

System Location Discovery: System Language Discovery 1 TTPs 2 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	Payment Invoice Copy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment Invoice Copy.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98
PID 1236 wrote to memory of 4148	1236	Payment Invoice Copy.exe	98

C:\Users\Admin\AppData\Local\Temp\Payment Invoice Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice Copy.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Payment Invoice Copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Invoice Copy.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Invoice Copy.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/1236-8-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1236-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/1236-10-0x0000000006AB0000-0x0000000006B06000-memory.dmp

Filesize
344KB

Download
memory/1236-11-0x0000000006C80000-0x0000000006CE6000-memory.dmp

Filesize
408KB

Download
memory/1236-5-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/1236-6-0x0000000006510000-0x0000000006528000-memory.dmp

Filesize
96KB

Download
memory/1236-7-0x00000000065D0000-0x000000000666C000-memory.dmp

Filesize
624KB

Download
memory/1236-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1236-9-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1236-2-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/1236-4-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1236-12-0x0000000006A20000-0x0000000006A32000-memory.dmp

Filesize
72KB

Download
memory/1236-17-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1236-1-0x00000000009D0000-0x0000000000A66000-memory.dmp

Filesize
600KB

Download
memory/4148-16-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4148-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4148-18-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4148-19-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download