asyncrat | c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 10:21

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General

Target
c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
Size 45KB
Sample260801-md2j6aselh
SHA256 c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23
MD5 69c26f52aadce9252c2c60b4b98b72e3
SHA1 3ac4706f643519aa9a69cc29e8e196be6ff6b8bd
SHA512 0d93d1636df4eca9d6439abf9b5cf37b5a45088a815b904e90c8b4b62d6a08fd23319137ca8f3f0619d91dc1d0b0eb5fa42681f175f06baf7f76f4157e3a90b7
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFQ3FoDEaOPIkzjbsgX3ip5959aqg7kxjBDZbx:4uLZZTUTn2BKEa3k3bjXS96wDdbx
TLSH
T1E7232C003BE8812BF2BE4F789CF261458A7AF6636603D64E1CC452D75613FC6DA426F9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

heovl.im:80
heovl.im:22
heovl.im:8080
heovl.im:8880
heovl.im:2052
heovl.im:2082
heovl.im:2086
heovl.im:2095
heovl.im:443
heovl.im:2053
heovl.im:2083
heovl.im:2087
heovl.im:2096
heovl.im:8443
www.heovl.im:80
www.heovl.im:22
www.heovl.im:8080
www.heovl.im:8880
www.heovl.im:2052
www.heovl.im:2082
www.heovl.im:2086
www.heovl.im:2095
www.heovl.im:443
www.heovl.im:2053
www.heovl.im:2083
www.heovl.im:2087
www.heovl.im:2096
www.heovl.im:8443
trisis.heovl.im:80
trisis.heovl.im:22
trisis.heovl.im:8080
trisis.heovl.im:8880
trisis.heovl.im:2052
trisis.heovl.im:2082
trisis.heovl.im:2086
trisis.heovl.im:2095
trisis.heovl.im:443
trisis.heovl.im:2053
trisis.heovl.im:2083
trisis.heovl.im:2087
trisis.heovl.im:2096
trisis.heovl.im:8443
mirai.heovl.im:80
mirai.heovl.im:22
mirai.heovl.im:8080
mirai.heovl.im:8880
mirai.heovl.im:2052
mirai.heovl.im:2082
mirai.heovl.im:2086
mirai.heovl.im:2095
mirai.heovl.im:443
mirai.heovl.im:2053
mirai.heovl.im:2083
mirai.heovl.im:2087
mirai.heovl.im:2096
mirai.heovl.im:8443

Mutex

FimnD2qBp3gl

Attributes

delay
0
install
true
install_file
gufl2.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/0x000e00000001c515-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2852	gufl2.exe
2412	gufl2.exe

Outbound SSH connection to public host 2 TTPs 3 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	12	104.26.6.168:22
SSH destination	14	104.26.7.168:22
SSH destination	16	172.67.71.133:22

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
4432	cmd.exe
4724	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	gufl2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gufl2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.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
5244	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
5164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
Token: SeDebugPrivilege	2852	gufl2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4432	4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe	89
PID 4640 wrote to memory of 4724	4640	c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe	90
PID 4432 wrote to memory of 5164	4432	cmd.exe	93
PID 4724 wrote to memory of 5244	4724	cmd.exe	94
PID 4724 wrote to memory of 2412	4724	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe
"C:\Users\Admin\AppData\Local\Temp\c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "gufl2" /tr '"C:\Users\Admin\AppData\Roaming\gufl2.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4432
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "gufl2" /tr '"C:\Users\Admin\AppData\Roaming\gufl2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5164
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp329F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4724
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5244
- - C:\Users\Admin\AppData\Roaming\gufl2.exe
    "C:\Users\Admin\AppData\Roaming\gufl2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2412

C:\Users\Admin\AppData\Roaming\gufl2.exe
"C:\Users\Admin\AppData\Roaming\gufl2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2852

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp329F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp329F.tmp.bat
Size 149B
SHA256 a18898fb22fde534bd203e6e05604b9f7e8070d4f9e70ee4d96308202131a7e6
MD5 92aa55259ce8b33c4fb0abb62afffece
SHA1 14013fbe3bdcd9157691ee9ca8c01f271f020dee
SHA512 bf338cf05616c1a7a8611a09d6c08e1506b22bf818aa070b0760a7d8b2fb734de742c272b8e4d4bb3bddb57be1d161369154fc5b27bfa2e7e090742f5f9471fe
TLSH
T1EEC02B4252C7EB1E2C09549313FAD48C91B3EC2D3F40BB40C704450D3291848F8ED381
MD5 SHA1 SHA512 TLSH

Submit Download

gufl2.exe

Path C:\Users\Admin\AppData\Roaming\gufl2.exe
Size 45KB
SHA256 c76fad2748fdb5e37644d376fe933545a311949d4cd879a6e9504f8f4fd8ce23
MD5 69c26f52aadce9252c2c60b4b98b72e3
SHA1 3ac4706f643519aa9a69cc29e8e196be6ff6b8bd
SHA512 0d93d1636df4eca9d6439abf9b5cf37b5a45088a815b904e90c8b4b62d6a08fd23319137ca8f3f0619d91dc1d0b0eb5fa42681f175f06baf7f76f4157e3a90b7
SSDEEP 768:4uLZZTUAoOSWUYZL8mo2qFQ3FoDEaOPIkzjbsgX3ip5959aqg7kxjBDZbx:4uLZZTUTn2BKEa3k3bjXS96wDdbx
TLSH
T1E7232C003BE8812BF2BE4F789CF261458A7AF6636603D64E1CC452D75613FC6DA426F9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2852-12-0x00000000746C0000-0x0000000074E7C000-memory.dmp

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memory/2852-14-0x00000000746C0000-0x0000000074E7C000-memory.dmp

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memory/4640-0-0x00000000748A2000-0x00000000748A3000-memory.dmp

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memory/4640-1-0x00000000006D0000-0x00000000006E2000-memory.dmp

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memory/4640-2-0x0000000074890000-0x000000007504C000-memory.dmp

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memory/4640-3-0x0000000005090000-0x000000000512C000-memory.dmp

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memory/4640-8-0x0000000074890000-0x000000007504C000-memory.dmp

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