asyncrat | 94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 01:47

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General

Target

94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe
Size

3.1MB
MD5

e939fb9abcac14771583ac57e05d9b90
SHA1

b09d0bc30a3d3cffb3583f796c4f363e635ed90a
SHA256

94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add
SHA512

347134900144999b008e9650057144457b82d260569ab9276482d4be814c6efe542adf5fc276d5d344b0561118cc9a5ab61a718b5a972b29784b467edc7fd767
SSDEEP

12288:a7hTrBnuvYkNa2VNYKbpeFy1eLq/FQW8uok7GCoShNZ5LG:a3UYkswNYgpwee+/F78u5yCoS9k

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

betterdays4me.duckdns.org:6606

betterdays4me.duckdns.org:7707

betterdays4me.duckdns.org:8808

Mutex

fULNLY9PC39i

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe

description pid process target process

PID 1992 set thread context of 2120 1992 94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe

description pid process

Token: SeDebugPrivilege 1992 94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe

description	pid	process	target process
PID 1992 set thread context of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe

description	pid	process
Token: SeDebugPrivilege	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe

description	pid	process	target process
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2160	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	msbuild.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2120	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2644	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2644	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2644	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe
PID 1992 wrote to memory of 2644	1992	94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe	jsc.exe

C:\Users\Admin\AppData\Local\Temp\94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe
"C:\Users\Admin\AppData\Local\Temp\94c9d9b131a09d2da14127370bc041f46464754f907d38467c5c48ad20624add.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
2⤵
PID:2160

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
PID:2120

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
PID:2644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1992-0-0x000007FEF5643000-0x000007FEF5644000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000000E40000-0x0000000000E66000-memory.dmp

Filesize
152KB

Download
memory/1992-2-0x000000001B070000-0x000000001B096000-memory.dmp

Filesize
152KB

Download
memory/1992-3-0x0000000000AD0000-0x0000000000B34000-memory.dmp

Filesize
400KB

Download
memory/1992-4-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

Filesize
9.9MB

Download
memory/1992-28-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

Filesize
9.9MB

Download
memory/2120-24-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2120-22-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2120-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-26-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2120-27-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2120-29-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-30-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2120-31-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2160-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2160-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2160-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2160-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download