asyncrat | 8fdc412291f33a96a35c93d3d2bf03b338054509cd855f60109809a8e74100fe

General

Target

bf4f7264ef324c5c14dccd8679685d3f.exe
Size

749KB
MD5

bf4f7264ef324c5c14dccd8679685d3f
SHA1

055a91cacfa6756ae1bf9d603ddea5e9b1b8f684
SHA256

8fdc412291f33a96a35c93d3d2bf03b338054509cd855f60109809a8e74100fe
SHA512

703b160a1ea781c12540f4bbba970b1d5d60be2bb83b0982cfb7b6e7b0db7d6cd50637c6c5a9cde433dc353f7228d157ec0400789272a47833c3d08438805e90
SSDEEP

12288:nUOTuurJr8VWrdMi4/Bfj+fqQ0eaQWH4X1/t6obHX8Rk+e8MTgtNxtxiF1kgDWS/:jrGVG2ZeaElv8lHz

Score

10^/10

asyncrat azorult zgrat noip infostealer rat trojan

Malware Config

Extracted

Family

azorult

C2

http://aka-mining.com/wordpress@/index.php

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

noip

C2

rocking.ddns.net:55714

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
image.exe
install_folder
%Temp%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-4-0x00000000002C0000-0x00000000002D6000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe	family_asyncrat

Executes dropped EXE 3 IoCs

Processes:

AsyncClient_noip.exehttp.exeimage.exe

pid process

2424 AsyncClient_noip.exe
2696 http.exe
2840 image.exe
Loads dropped DLL 4 IoCs

Processes:

RegAsm.execmd.exe

pid process

2920 RegAsm.exe
2920 RegAsm.exe
2920 RegAsm.exe
2364 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bf4f7264ef324c5c14dccd8679685d3f.exe

description pid process target process

PID 2772 set thread context of 2920 2772 bf4f7264ef324c5c14dccd8679685d3f.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

776 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2740 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bf4f7264ef324c5c14dccd8679685d3f.exeAsyncClient_noip.exe

pid process

2772 bf4f7264ef324c5c14dccd8679685d3f.exe
2424 AsyncClient_noip.exe
2424 AsyncClient_noip.exe
2424 AsyncClient_noip.exe

pid	process
2424	AsyncClient_noip.exe
2696	http.exe
2840	image.exe

pid	process
2920	RegAsm.exe
2920	RegAsm.exe
2920	RegAsm.exe
2364	cmd.exe

description	pid	process	target process
PID 2772 set thread context of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe

pid	process
776	schtasks.exe

pid	process
2740	timeout.exe

pid	process
2772	bf4f7264ef324c5c14dccd8679685d3f.exe
2424	AsyncClient_noip.exe
2424	AsyncClient_noip.exe
2424	AsyncClient_noip.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bf4f7264ef324c5c14dccd8679685d3f.exeAsyncClient_noip.exeimage.exe

description	pid	process
Token: SeDebugPrivilege	2772	bf4f7264ef324c5c14dccd8679685d3f.exe
Token: SeDebugPrivilege	2424	AsyncClient_noip.exe
Token: SeDebugPrivilege	2840	image.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

2920 RegAsm.exe

pid	process
2920	RegAsm.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

bf4f7264ef324c5c14dccd8679685d3f.exeRegAsm.exeAsyncClient_noip.execmd.execmd.exe

description	pid	process	target process
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2988	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2772 wrote to memory of 2920	2772	bf4f7264ef324c5c14dccd8679685d3f.exe	RegAsm.exe
PID 2920 wrote to memory of 2424	2920	RegAsm.exe	AsyncClient_noip.exe
PID 2920 wrote to memory of 2424	2920	RegAsm.exe	AsyncClient_noip.exe
PID 2920 wrote to memory of 2424	2920	RegAsm.exe	AsyncClient_noip.exe
PID 2920 wrote to memory of 2424	2920	RegAsm.exe	AsyncClient_noip.exe
PID 2920 wrote to memory of 2696	2920	RegAsm.exe	http.exe
PID 2920 wrote to memory of 2696	2920	RegAsm.exe	http.exe
PID 2920 wrote to memory of 2696	2920	RegAsm.exe	http.exe
PID 2920 wrote to memory of 2696	2920	RegAsm.exe	http.exe
PID 2424 wrote to memory of 3016	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 3016	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 3016	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 3016	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 2364	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 2364	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 2364	2424	AsyncClient_noip.exe	cmd.exe
PID 2424 wrote to memory of 2364	2424	AsyncClient_noip.exe	cmd.exe
PID 3016 wrote to memory of 776	3016	cmd.exe	schtasks.exe
PID 3016 wrote to memory of 776	3016	cmd.exe	schtasks.exe
PID 3016 wrote to memory of 776	3016	cmd.exe	schtasks.exe
PID 3016 wrote to memory of 776	3016	cmd.exe	schtasks.exe
PID 2364 wrote to memory of 2740	2364	cmd.exe	timeout.exe
PID 2364 wrote to memory of 2740	2364	cmd.exe	timeout.exe
PID 2364 wrote to memory of 2740	2364	cmd.exe	timeout.exe
PID 2364 wrote to memory of 2740	2364	cmd.exe	timeout.exe
PID 2364 wrote to memory of 2840	2364	cmd.exe	image.exe
PID 2364 wrote to memory of 2840	2364	cmd.exe	image.exe
PID 2364 wrote to memory of 2840	2364	cmd.exe	image.exe
PID 2364 wrote to memory of 2840	2364	cmd.exe	image.exe

C:\Users\Admin\AppData\Local\Temp\bf4f7264ef324c5c14dccd8679685d3f.exe
"C:\Users\Admin\AppData\Local\Temp\bf4f7264ef324c5c14dccd8679685d3f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:2988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2920

C:\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe" 0
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "image" /tr '"C:\Users\Admin\AppData\Local\Temp\image.exe"' & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "image" /tr '"C:\Users\Admin\AppData\Local\Temp\image.exe"'
5⤵
- Creates scheduled task(s)
PID:776

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp676A.tmp.bat""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\timeout.exe
timeout 3
5⤵
- Delays execution with timeout.exe
PID:2740

C:\Users\Admin\AppData\Local\Temp\image.exe
"C:\Users\Admin\AppData\Local\Temp\image.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2840

C:\Users\Admin\AppData\Local\Temp\http.exe
"C:\Users\Admin\AppData\Local\Temp\http.exe" 0
3⤵
- Executes dropped EXE
PID:2696

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp676A.tmp.bat
Filesize
152B

MD5
0eb5e855220b9d1ff882a2114791d0fc

SHA1
a40398e0c7627df9353922313a7ce8d9a3a068dd

SHA256
68ca1bb3b409a9400881177819a2fa3554e549f281482f9ce9dda7b2639af85e

SHA512
d7c4e014d5fdb4c9151af6f1f8770423c5c29672e88041bda04d86874479356245ac6b91c34b6f9b79c0f090d1f305801165e518a2c9dc0543bce4e81fdebec5

Download Submit
\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe
Filesize
45KB

MD5
8c3cdf82f84a31b497d1373b787fd9bb

SHA1
168da558ad0428adc45a480e3e4cee4bda362c4c

SHA256
b26c1263561c56c98692762c18a0705bcf3b181f0ffc0681f7e9e3666b7036da

SHA512
83449e8d7a27512735b5c1b3158bd2b45fb72d1ae8ac8b6dc3cd0938c9ea0d4667b85817ed034d2e9ff32bafbca2bca131615cebc11a8a210c6d87268a5821f6

Download Submit
\Users\Admin\AppData\Local\Temp\http.exe
Filesize
112KB

MD5
df42290ca661cacdbbd4c1a819ddfa15

SHA1
cf4fe62f6157f61f7e737dc46c913037587d0d56

SHA256
5b81be074935e496d7cfad72e6493986abd804adb37f3c7de41230c662968dbe

SHA512
f6f289bf5935e8f01e3357155b95f9bdae6935eb98eb50322770bf437890b02a27f052cca6659029fc3773142a95c52a035e5019421f320572c3a12ba13428a8

Download Submit
memory/2424-36-0x0000000000C10000-0x0000000000C22000-memory.dmp

Filesize
72KB

Download
memory/2424-37-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2424-38-0x0000000000A70000-0x0000000000AB0000-memory.dmp

Filesize
256KB

Download
memory/2424-47-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2696-57-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2696-54-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2772-2-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/2772-1-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-0-0x0000000000F00000-0x0000000000FC2000-memory.dmp

Filesize
776KB

Download
memory/2772-15-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-3-0x0000000000A60000-0x0000000000AC2000-memory.dmp

Filesize
392KB

Download
memory/2772-4-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/2840-52-0x0000000000990000-0x00000000009A2000-memory.dmp

Filesize
72KB

Download
memory/2840-53-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-55-0x0000000004400000-0x0000000004440000-memory.dmp

Filesize
256KB

Download
memory/2840-58-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-35-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2920-16-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2920-13-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2920-9-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2920-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-7-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2920-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads