asyncrat | 49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 19:39

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General

Target
49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
Size 45KB
Sample260804-yddzmsyekd
SHA256 49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1
MD5 9c741ad1dc391edb69f9437ccf9f0822
SHA1 bce085b53c6ad6b58a86d99b4e1ee36591afad5f
SHA512 ee7356321abb92b5812df94ea8cb9b207ab526b9cce8625d43e0bf4049955e70c40a1fe7e4534bdd223748de640e4990c97bc9b86c123df8f6e4ef1f4a1f3f41
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAmfPLzizpvtLjZPI9zjbTgXAiJxuYxD+gBDZMx:kuSOpTPOP2WfHi1VjW93bMX9JxFHdMx
TLSH
T109232A0037E8C12BF2BE4F78A9F26145867AF6672603D54A1CC451DB5A23FC6CA426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

haysexcdn.net:80
haysexcdn.net:22
haysexcdn.net:8080
haysexcdn.net:8880
haysexcdn.net:2052
haysexcdn.net:2082
haysexcdn.net:2086
haysexcdn.net:2095
haysexcdn.net:443
haysexcdn.net:2053
haysexcdn.net:2083
haysexcdn.net:2087
haysexcdn.net:2096
haysexcdn.net:8443
www.haysexcdn.net:80
www.haysexcdn.net:22
www.haysexcdn.net:8080
www.haysexcdn.net:8880
www.haysexcdn.net:2052
www.haysexcdn.net:2082
www.haysexcdn.net:2086
www.haysexcdn.net:2095
www.haysexcdn.net:443
www.haysexcdn.net:2053
www.haysexcdn.net:2083
www.haysexcdn.net:2087
www.haysexcdn.net:2096
www.haysexcdn.net:8443
dridex.haysexcdn.net:80
dridex.haysexcdn.net:22
dridex.haysexcdn.net:8080
dridex.haysexcdn.net:8880
dridex.haysexcdn.net:2052
dridex.haysexcdn.net:2082
dridex.haysexcdn.net:2086
dridex.haysexcdn.net:2095
dridex.haysexcdn.net:443
dridex.haysexcdn.net:2053
dridex.haysexcdn.net:2083
dridex.haysexcdn.net:2087
dridex.haysexcdn.net:2096
dridex.haysexcdn.net:8443
malware.haysexcdn.net:80
malware.haysexcdn.net:22
malware.haysexcdn.net:8080
malware.haysexcdn.net:8880
malware.haysexcdn.net:2052
malware.haysexcdn.net:2082
malware.haysexcdn.net:2086
malware.haysexcdn.net:2095
malware.haysexcdn.net:443
malware.haysexcdn.net:2053
malware.haysexcdn.net:2083
malware.haysexcdn.net:2087
malware.haysexcdn.net:2096
malware.haysexcdn.net:8443
stuxnet.haysexcdn.net:80
stuxnet.haysexcdn.net:22
stuxnet.haysexcdn.net:8080
stuxnet.haysexcdn.net:8880
stuxnet.haysexcdn.net:2052
stuxnet.haysexcdn.net:2082
stuxnet.haysexcdn.net:2086
stuxnet.haysexcdn.net:2095
stuxnet.haysexcdn.net:443
stuxnet.haysexcdn.net:2053
stuxnet.haysexcdn.net:2083
stuxnet.haysexcdn.net:2087
stuxnet.haysexcdn.net:2096
stuxnet.haysexcdn.net:8443
blaster.haysexcdn.net:80
blaster.haysexcdn.net:22
blaster.haysexcdn.net:8080
blaster.haysexcdn.net:8880
blaster.haysexcdn.net:2052
blaster.haysexcdn.net:2082
blaster.haysexcdn.net:2086
blaster.haysexcdn.net:2095
blaster.haysexcdn.net:443
blaster.haysexcdn.net:2053
blaster.haysexcdn.net:2083
blaster.haysexcdn.net:2087
blaster.haysexcdn.net:2096
blaster.haysexcdn.net:8443

Mutex

B7pOZApOTvyI

Attributes

delay
0
install
true
install_file
m1jo.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000d00000001c581-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2528	m1jo.exe
1224	m1jo.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2820	cmd.exe
1700	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m1jo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m1jo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2712	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
Token: SeDebugPrivilege	2528	m1jo.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 2820	4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe	89
PID 4116 wrote to memory of 1700	4116	49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe	91
PID 2820 wrote to memory of 3720	2820	cmd.exe	93
PID 1700 wrote to memory of 2712	1700	cmd.exe	94
PID 1700 wrote to memory of 1224	1700	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe
"C:\Users\Admin\AppData\Local\Temp\49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "m1jo" /tr '"C:\Users\Admin\AppData\Roaming\m1jo.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "m1jo" /tr '"C:\Users\Admin\AppData\Roaming\m1jo.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3720
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB879.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2712
- - C:\Users\Admin\AppData\Roaming\m1jo.exe
    "C:\Users\Admin\AppData\Roaming\m1jo.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1224

C:\Users\Admin\AppData\Roaming\m1jo.exe
"C:\Users\Admin\AppData\Roaming\m1jo.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2528

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4760

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpB879.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB879.tmp.bat
Size 148B
SHA256 f2e3478839eb15aebc2b8693504cdf2e78a2bb7e54fa0c03cf83203dceaf392f
MD5 7eada1984e130844b8df066ff6401bed
SHA1 b55dfb3ce35e51c6860a23b56d32a38c0ff44f37
SHA512 f01e91f32922759df21d99a09dbe86a891db4a3f5153290538679aa3522f6177e8cfc9970cec1c53be676c639239f8ca33f25042259771b0fba4a76e346a1864
TLSH
T192C02B4352C6EA5F3805281303FAD4CC91727C193F80BB40C344840D1680C4AF0DE3C1
MD5 SHA1 SHA512 TLSH

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m1jo.exe

Path C:\Users\Admin\AppData\Roaming\m1jo.exe
Size 45KB
SHA256 49e958a2f4f7f7ac2e378bce05b7203e63eeb60f3a44d14919aec1547d4467c1
MD5 9c741ad1dc391edb69f9437ccf9f0822
SHA1 bce085b53c6ad6b58a86d99b4e1ee36591afad5f
SHA512 ee7356321abb92b5812df94ea8cb9b207ab526b9cce8625d43e0bf4049955e70c40a1fe7e4534bdd223748de640e4990c97bc9b86c123df8f6e4ef1f4a1f3f41
SSDEEP 768:kuSOpTPTCFcWUeXa6mo2qAmfPLzizpvtLjZPI9zjbTgXAiJxuYxD+gBDZMx:kuSOpTPOP2WfHi1VjW93bMX9JxFHdMx
TLSH
T109232A0037E8C12BF2BE4F78A9F26145867AF6672603D54A1CC451DB5A23FC6CA426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2528-12-0x0000000074690000-0x0000000074E4C000-memory.dmp

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memory/2528-14-0x0000000074690000-0x0000000074E4C000-memory.dmp

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memory/4116-0-0x0000000074872000-0x0000000074873000-memory.dmp

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memory/4116-1-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

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memory/4116-2-0x0000000074860000-0x000000007501C000-memory.dmp

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memory/4116-3-0x00000000054F0000-0x000000000558C000-memory.dmp

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memory/4116-8-0x0000000074860000-0x000000007501C000-memory.dmp

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