asyncrat | a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c

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
16/08/2026, 11:54

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General

Target
a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
Size 45KB
Sample260816-n3acmsdb23
SHA256 a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c
MD5 b0c2dd68ef980369b6d08ca6812685b0
SHA1 ad1516adce6d350b214b1fb391972484e5248e4a
SHA512 20eaf904e2a69cdff8045fa0be9b70459019ac1938a7040a45efd790b1035b65f8eb64046c9fd1e71719753724c21b2018118e94d0499db766bf605e5494b2c2
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwi3xq6YFoOPIUzjbGgJ3iNO1d9Xrlj0SIBDZMx:ku40ZTXEb2Wkxo3U3bZJSNOrn0SudMx
TLSH
T139232C003BE8C22BF2BE4F7898F26145867AF6A37603D5491CC452DB5713BC686526FD
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

mio9ecge.name:80
mio9ecge.name:22
mio9ecge.name:8080
mio9ecge.name:8880
mio9ecge.name:2052
mio9ecge.name:2082
mio9ecge.name:2086
mio9ecge.name:2095
mio9ecge.name:443
mio9ecge.name:2053
mio9ecge.name:2083
mio9ecge.name:2087
mio9ecge.name:2096
mio9ecge.name:8443
www.mio9ecge.name:80
www.mio9ecge.name:22
www.mio9ecge.name:8080
www.mio9ecge.name:8880
www.mio9ecge.name:2052
www.mio9ecge.name:2082
www.mio9ecge.name:2086
www.mio9ecge.name:2095
www.mio9ecge.name:443
www.mio9ecge.name:2053
www.mio9ecge.name:2083
www.mio9ecge.name:2087
www.mio9ecge.name:2096
www.mio9ecge.name:8443
dridex.mio9ecge.name:80
dridex.mio9ecge.name:22
dridex.mio9ecge.name:8080
dridex.mio9ecge.name:8880
dridex.mio9ecge.name:2052
dridex.mio9ecge.name:2082
dridex.mio9ecge.name:2086
dridex.mio9ecge.name:2095
dridex.mio9ecge.name:443
dridex.mio9ecge.name:2053
dridex.mio9ecge.name:2083
dridex.mio9ecge.name:2087
dridex.mio9ecge.name:2096
dridex.mio9ecge.name:8443
darkside.mio9ecge.name:80
darkside.mio9ecge.name:22
darkside.mio9ecge.name:8080
darkside.mio9ecge.name:8880
darkside.mio9ecge.name:2052
darkside.mio9ecge.name:2082
darkside.mio9ecge.name:2086
darkside.mio9ecge.name:2095
darkside.mio9ecge.name:443
darkside.mio9ecge.name:2053
darkside.mio9ecge.name:2083
darkside.mio9ecge.name:2087
darkside.mio9ecge.name:2096
darkside.mio9ecge.name:8443
blacklotus.mio9ecge.name:80
blacklotus.mio9ecge.name:22
blacklotus.mio9ecge.name:8080
blacklotus.mio9ecge.name:8880
blacklotus.mio9ecge.name:2052
blacklotus.mio9ecge.name:2082
blacklotus.mio9ecge.name:2086
blacklotus.mio9ecge.name:2095
blacklotus.mio9ecge.name:443
blacklotus.mio9ecge.name:2053
blacklotus.mio9ecge.name:2083
blacklotus.mio9ecge.name:2087
blacklotus.mio9ecge.name:2096
blacklotus.mio9ecge.name:8443
malware.mio9ecge.name:80
malware.mio9ecge.name:22
malware.mio9ecge.name:8080
malware.mio9ecge.name:8880
malware.mio9ecge.name:2052
malware.mio9ecge.name:2082
malware.mio9ecge.name:2086
malware.mio9ecge.name:2095
malware.mio9ecge.name:443
malware.mio9ecge.name:2053
malware.mio9ecge.name:2083
malware.mio9ecge.name:2087
malware.mio9ecge.name:2096
malware.mio9ecge.name:8443

Mutex

eBG4eLWScNVG

Attributes

delay
0
install
true
install_file
wr1fl.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/0x002400000001c2fc-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3400	wr1fl.exe
3788	wr1fl.exe

Outbound SSH connection to public host 2 TTPs 2 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	7	104.26.14.221:22
SSH destination	8	172.67.74.247:22

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
3216	cmd.exe
4112	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wr1fl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wr1fl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4468	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
1188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5460 wrote to memory of 3216	5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe	89
PID 5460 wrote to memory of 4112	5460	a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe	91
PID 3216 wrote to memory of 1188	3216	cmd.exe	93
PID 4112 wrote to memory of 4468	4112	cmd.exe	94
PID 4112 wrote to memory of 3788	4112	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe
"C:\Users\Admin\AppData\Local\Temp\a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wr1fl" /tr '"C:\Users\Admin\AppData\Roaming\wr1fl.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "wr1fl" /tr '"C:\Users\Admin\AppData\Roaming\wr1fl.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1188
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEDB.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4112
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4468
- - C:\Users\Admin\AppData\Roaming\wr1fl.exe
    "C:\Users\Admin\AppData\Roaming\wr1fl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3788

C:\Users\Admin\AppData\Roaming\wr1fl.exe
"C:\Users\Admin\AppData\Roaming\wr1fl.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3400

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

tmpEDB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEDB.tmp.bat
Size 148B
SHA256 4a89f3d89265ba704416a7bf212a32e0d486108edb230b3de7e9f23376e91057
MD5 6a450a9d6c9db310ca69f85f7b3c66ac
SHA1 afecc9da72d04d10bb8fdc36bdf8baccba5ef6d2
SHA512 3c39ab02f4817a586a6cd240db448e8a33e98a24cb449d13bb3a92eaaaf155fe308cf927b70a4ff3b226031544fa11f8950a5065388f41187ad05849c2bea701
TLSH
T1B8C02B4251C6EB0E7E0A241312FEE58CD1736C1D3F44BB04D344801D32D0448F4DE341
MD5 SHA1 SHA512 TLSH

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wr1fl.exe

Path C:\Users\Admin\AppData\Roaming\wr1fl.exe
Size 45KB
SHA256 a479ec3827023ced3f9e9a7d08473bc967d2dc113931df05aabfa705de58540c
MD5 b0c2dd68ef980369b6d08ca6812685b0
SHA1 ad1516adce6d350b214b1fb391972484e5248e4a
SHA512 20eaf904e2a69cdff8045fa0be9b70459019ac1938a7040a45efd790b1035b65f8eb64046c9fd1e71719753724c21b2018118e94d0499db766bf605e5494b2c2
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwi3xq6YFoOPIUzjbGgJ3iNO1d9Xrlj0SIBDZMx:ku40ZTXEb2Wkxo3U3bZJSNOrn0SudMx
TLSH
T139232C003BE8C22BF2BE4F7898F26145867AF6A37603D5491CC452DB5713BC686526FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3400-12-0x00000000742D0000-0x0000000074A8C000-memory.dmp

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memory/3400-14-0x00000000742D0000-0x0000000074A8C000-memory.dmp

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memory/5460-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

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memory/5460-1-0x0000000000B20000-0x0000000000B32000-memory.dmp

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memory/5460-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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memory/5460-3-0x0000000005510000-0x00000000055AC000-memory.dmp

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memory/5460-8-0x00000000744A0000-0x0000000074C5C000-memory.dmp

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