asyncrat | 8fdc412291f33a96a35c93d3d2bf03b338054509cd855f60109809a8e74100fe

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 00:02

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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

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

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

noip

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

resource	yara_rule
behavioral2/memory/756-7-0x00000000058D0000-0x00000000058E6000-memory.dmp	family_zgrat_v1

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000a0000000231e9-19.dat	family_asyncrat

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	RegAsm.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	AsyncClient_noip.exe

Executes dropped EXE 3 IoCs

pid	Process
3048	AsyncClient_noip.exe
4632	http.exe
1440	image.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 756 set thread context of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92

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

pid	Process
1652	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
464	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe
3048	AsyncClient_noip.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	AsyncClient_noip.exe
Token: SeDebugPrivilege	1440	image.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	RegAsm.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 756 wrote to memory of 2128	756	bf4f7264ef324c5c14dccd8679685d3f.exe	92
PID 2128 wrote to memory of 3048	2128	RegAsm.exe	93
PID 2128 wrote to memory of 3048	2128	RegAsm.exe	93
PID 2128 wrote to memory of 3048	2128	RegAsm.exe	93
PID 2128 wrote to memory of 4632	2128	RegAsm.exe	94
PID 2128 wrote to memory of 4632	2128	RegAsm.exe	94
PID 2128 wrote to memory of 4632	2128	RegAsm.exe	94
PID 3048 wrote to memory of 540	3048	AsyncClient_noip.exe	95
PID 3048 wrote to memory of 540	3048	AsyncClient_noip.exe	95
PID 3048 wrote to memory of 540	3048	AsyncClient_noip.exe	95
PID 3048 wrote to memory of 3804	3048	AsyncClient_noip.exe	96
PID 3048 wrote to memory of 3804	3048	AsyncClient_noip.exe	96
PID 3048 wrote to memory of 3804	3048	AsyncClient_noip.exe	96
PID 3804 wrote to memory of 464	3804	cmd.exe	99
PID 3804 wrote to memory of 464	3804	cmd.exe	99
PID 3804 wrote to memory of 464	3804	cmd.exe	99
PID 540 wrote to memory of 1652	540	cmd.exe	100
PID 540 wrote to memory of 1652	540	cmd.exe	100
PID 540 wrote to memory of 1652	540	cmd.exe	100
PID 3804 wrote to memory of 1440	3804	cmd.exe	101
PID 3804 wrote to memory of 1440	3804	cmd.exe	101
PID 3804 wrote to memory of 1440	3804	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\bf4f7264ef324c5c14dccd8679685d3f.exe
"C:\Users\Admin\AppData\Local\Temp\bf4f7264ef324c5c14dccd8679685d3f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe" 0
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3048
  - - 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:540
    - - 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:1652
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3FC8.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3804
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:464
    - - 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:1440
- - C:\Users\Admin\AppData\Local\Temp\http.exe
    "C:\Users\Admin\AppData\Local\Temp\http.exe" 0
    3⤵
    - Executes dropped EXE
    PID:4632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AsyncClient_noip.exe

Filesize
45KB

MD5
8c3cdf82f84a31b497d1373b787fd9bb

SHA1
168da558ad0428adc45a480e3e4cee4bda362c4c

SHA256
b26c1263561c56c98692762c18a0705bcf3b181f0ffc0681f7e9e3666b7036da

SHA512
83449e8d7a27512735b5c1b3158bd2b45fb72d1ae8ac8b6dc3cd0938c9ea0d4667b85817ed034d2e9ff32bafbca2bca131615cebc11a8a210c6d87268a5821f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\http.exe

Filesize
112KB

MD5
df42290ca661cacdbbd4c1a819ddfa15

SHA1
cf4fe62f6157f61f7e737dc46c913037587d0d56

SHA256
5b81be074935e496d7cfad72e6493986abd804adb37f3c7de41230c662968dbe

SHA512
f6f289bf5935e8f01e3357155b95f9bdae6935eb98eb50322770bf437890b02a27f052cca6659029fc3773142a95c52a035e5019421f320572c3a12ba13428a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3FC8.tmp.bat

Filesize
152B

MD5
3bb051858622805727f75dc626b835f2

SHA1
670b75408f6f4ba9c9973932db6cf9b6435b78cd

SHA256
d68ab47c83c797c8e23c9f4709e2787c73cb33302130284a7908a03ac9ae60d7

SHA512
09be6576b59bb6bacbdccf3f0bcf536ae3854e7bb68e017449cd78850ea192cc702b882214b1791677bf6303298e57da05abb0545e538e49c77b56d81162bdee

Download Submit
memory/756-11-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/756-4-0x0000000005840000-0x00000000058A2000-memory.dmp

Filesize
392KB

Download
memory/756-5-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/756-6-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/756-7-0x00000000058D0000-0x00000000058E6000-memory.dmp

Filesize
88KB

Download
memory/756-3-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/756-0-0x0000000000E60000-0x0000000000F22000-memory.dmp

Filesize
776KB

Download
memory/756-1-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/756-2-0x00000000058E0000-0x000000000597C000-memory.dmp

Filesize
624KB

Download
memory/1440-53-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/1440-51-0x0000000073FA0000-0x0000000074750000-memory.dmp

Filesize
7.7MB

Download
memory/1440-48-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/1440-47-0x0000000073FA0000-0x0000000074750000-memory.dmp

Filesize
7.7MB

Download
memory/2128-8-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2128-36-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2128-12-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3048-42-0x0000000073D90000-0x0000000074540000-memory.dmp

Filesize
7.7MB

Download
memory/3048-31-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download
memory/3048-37-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3048-32-0x0000000073D90000-0x0000000074540000-memory.dmp

Filesize
7.7MB

Download
memory/4632-49-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4632-52-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4632-55-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download