Malware Analysis Report

2025-08-05 12:32

Sample ID 230503-nkc1tagd4t
Target CASH OFFER AND PROOF OF FUNDS.exe
SHA256 be7c5be95e0d3f3c841b3dace8eb4c46acb9e42970324ee976a41ec210ae9f86
Tags
asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

be7c5be95e0d3f3c841b3dace8eb4c46acb9e42970324ee976a41ec210ae9f86

Threat Level: Known bad

The file CASH OFFER AND PROOF OF FUNDS.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Downloads MZ/PE file

Executes dropped EXE

.NET Reactor proctector

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-03 11:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-03 11:26

Reported

2023-05-03 11:30

Platform

win7-20230220-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe

"C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 transfer.sh udp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp
DE 144.76.136.153:443 transfer.sh tcp

Files

memory/1408-54-0x00000000009D0000-0x00000000009E4000-memory.dmp

memory/1408-55-0x00000000005B0000-0x00000000005F0000-memory.dmp

memory/1408-56-0x00000000005B0000-0x00000000005F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-03 11:26

Reported

2023-05-03 11:30

Platform

win10v2004-20230220-en

Max time kernel

91s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Downloads MZ/PE file

.NET Reactor proctector

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4128 set thread context of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3848 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe
PID 3848 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe
PID 3848 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe C:\Windows\SysWOW64\cmd.exe
PID 3848 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe C:\Windows\SysWOW64\cmd.exe
PID 3848 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe C:\Windows\SysWOW64\cmd.exe
PID 1268 wrote to memory of 4920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\choice.exe
PID 1268 wrote to memory of 4920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\choice.exe
PID 1268 wrote to memory of 4920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\choice.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4128 wrote to memory of 4308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe

"C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\CASH OFFER AND PROOF OF FUNDS.exe"

C:\Windows\SysWOW64\choice.exe

choice /C Y /N /D Y /T 1

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 transfer.sh udp
DE 144.76.136.153:443 transfer.sh tcp
US 8.8.8.8:53 153.136.76.144.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 191.101.130.28:8808 tcp
US 8.8.8.8:53 28.130.101.191.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 52.168.112.66:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp

Files

memory/3848-133-0x0000000000970000-0x0000000000984000-memory.dmp

memory/3848-134-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe

MD5 bb1a64c7b6c9d5df1597b2d49b059e80
SHA1 efb690910d1179915ed1822c2878ab5186df2122
SHA256 a2182b8ab5276ecc8e6a874703394625e38929425476985c079bf330beca3226
SHA512 de267c490a28acc23f7b08cba86c15df8abe461bedcb98acee6c62b1b43c631a5928733ba8d59fe6b857792f70477c7e2515b31a05e2d5a6138f7baa1d783b24

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe

MD5 bb1a64c7b6c9d5df1597b2d49b059e80
SHA1 efb690910d1179915ed1822c2878ab5186df2122
SHA256 a2182b8ab5276ecc8e6a874703394625e38929425476985c079bf330beca3226
SHA512 de267c490a28acc23f7b08cba86c15df8abe461bedcb98acee6c62b1b43c631a5928733ba8d59fe6b857792f70477c7e2515b31a05e2d5a6138f7baa1d783b24

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\MA.exe

MD5 bb1a64c7b6c9d5df1597b2d49b059e80
SHA1 efb690910d1179915ed1822c2878ab5186df2122
SHA256 a2182b8ab5276ecc8e6a874703394625e38929425476985c079bf330beca3226
SHA512 de267c490a28acc23f7b08cba86c15df8abe461bedcb98acee6c62b1b43c631a5928733ba8d59fe6b857792f70477c7e2515b31a05e2d5a6138f7baa1d783b24

memory/4128-146-0x00000212935D0000-0x0000021293656000-memory.dmp

memory/4308-148-0x0000000000400000-0x0000000000412000-memory.dmp

memory/4308-150-0x0000000004E50000-0x0000000004E60000-memory.dmp

memory/4308-153-0x0000000005700000-0x000000000579C000-memory.dmp

memory/4308-154-0x0000000005D50000-0x00000000062F4000-memory.dmp

memory/4308-155-0x0000000005810000-0x0000000005876000-memory.dmp

memory/4308-156-0x0000000006700000-0x0000000006776000-memory.dmp

memory/4308-157-0x00000000067D0000-0x00000000067EE000-memory.dmp

memory/4308-158-0x0000000004E50000-0x0000000004E60000-memory.dmp