asyncrat | d79662a8895ef702fff42208228c9dadb87cad7fe14f2e95607cacd543537ff1

General

Target

bandock.exe
Size

528KB
MD5

b60a17c36afd3bac3b1c632d28bdb2a3
SHA1

a29a45c08ce68d7fbc3c63bb84ac48e554df9a52
SHA256

d79662a8895ef702fff42208228c9dadb87cad7fe14f2e95607cacd543537ff1
SHA512

fae2d3c2934a636151ab8c5b2eef3ffea1dda0dd2c9bf1bd601e41db995cea04a61343922fc1e4b3b145a69fa8e048b3c7634d4b1b77653855e013271edd7f93

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

sammiyoyo.linkpc.net:2552

sammiyoyo.linkpc.net:8805

sammiyoyo.linkpc.net:4795

egoyibouda.linkpc.net:2552

egoyibouda.linkpc.net:8805

egoyibouda.linkpc.net:4795

ifemelumma.linkpc.net:2552

ifemelumma.linkpc.net:8805

ifemelumma.linkpc.net:4795

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
3k25awwPIyvGavUCHtSeJIcvbGI4RVWY
anti_detection
false
autorun
false
bdos
false
delay
Default
host
sammiyoyo.linkpc.net,egoyibouda.linkpc.net,ifemelumma.linkpc.net
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
2552,8805,4795
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1444-11-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/1444-12-0x000000000040C7BE-mapping.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1444 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bandock.exe

description pid process target process

PID 4092 set thread context of 1444 4092 bandock.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bandock.exe

pid process

4092 bandock.exe
4092 bandock.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bandock.exe

description pid process

Token: SeDebugPrivilege 4092 bandock.exe

pid	process
1444	InstallUtil.exe

description	pid	process	target process
PID 4092 set thread context of 1444	4092	bandock.exe	InstallUtil.exe

pid	process
4092	bandock.exe
4092	bandock.exe

description	pid	process
Token: SeDebugPrivilege	4092	bandock.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bandock.exe

description	pid	process	target process
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe
PID 4092 wrote to memory of 1444	4092	bandock.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\bandock.exe
"C:\Users\Admin\AppData\Local\Temp\bandock.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
PID:1444

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1444-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1444-15-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-12-0x000000000040C7BE-mapping.dmp

Download
memory/4092-6-0x0000000002580000-0x000000000259E000-memory.dmp

Filesize
120KB

Download
memory/4092-9-0x0000000004E00000-0x0000000004E0B000-memory.dmp

Filesize
44KB

Download
memory/4092-10-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/4092-8-0x00000000075E0000-0x00000000075E1000-memory.dmp

Filesize
4KB

Download
memory/4092-7-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/4092-2-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/4092-5-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/4092-3-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing