asyncrat | 7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 15:36

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General

Target
7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
Size 45KB
Sample260919-s2ctlagg58
SHA256 7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8
MD5 a9922b3bf39fbc6e2fdee13c90c9a145
SHA1 aa65edfa7d01c71e05a76656d23df3b8119e2453
SHA512 07f0495c11ea9b7bc16201322b2f6b38711a4aab9c58a96878a7ec6657c3dd067f19dc4fb7168027587a6b6a95f063c50f4503bf624f83c94b92a8b015dbd43d
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q92CHyTtpPImzjbdgX3iQH2nFdulvLysiBBDZ8x:0u1YJTHcw2BnQm3bKXSQH2nFdiTod8x
TLSH
T180232B0037E8812FF2BE5F78ACF26145857AF6672603D58A1CC451DB5623FC58A42AFE
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

vnsextop1.com:80
vnsextop1.com:22
vnsextop1.com:8080
vnsextop1.com:8880
vnsextop1.com:2052
vnsextop1.com:2082
vnsextop1.com:2086
vnsextop1.com:2095
vnsextop1.com:443
vnsextop1.com:2053
vnsextop1.com:2083
vnsextop1.com:2087
vnsextop1.com:2096
vnsextop1.com:8443
www.vnsextop1.com:80
www.vnsextop1.com:22
www.vnsextop1.com:8080
www.vnsextop1.com:8880
www.vnsextop1.com:2052
www.vnsextop1.com:2082
www.vnsextop1.com:2086
www.vnsextop1.com:2095
www.vnsextop1.com:443
www.vnsextop1.com:2053
www.vnsextop1.com:2083
www.vnsextop1.com:2087
www.vnsextop1.com:2096
www.vnsextop1.com:8443
conficker.vnsextop1.com:80
conficker.vnsextop1.com:22
conficker.vnsextop1.com:8080
conficker.vnsextop1.com:8880
conficker.vnsextop1.com:2052
conficker.vnsextop1.com:2082
conficker.vnsextop1.com:2086
conficker.vnsextop1.com:2095
conficker.vnsextop1.com:443
conficker.vnsextop1.com:2053
conficker.vnsextop1.com:2083
conficker.vnsextop1.com:2087
conficker.vnsextop1.com:2096
conficker.vnsextop1.com:8443
cryptolocker.vnsextop1.com:80
cryptolocker.vnsextop1.com:22
cryptolocker.vnsextop1.com:8080
cryptolocker.vnsextop1.com:8880
cryptolocker.vnsextop1.com:2052
cryptolocker.vnsextop1.com:2082
cryptolocker.vnsextop1.com:2086
cryptolocker.vnsextop1.com:2095
cryptolocker.vnsextop1.com:443
cryptolocker.vnsextop1.com:2053
cryptolocker.vnsextop1.com:2083
cryptolocker.vnsextop1.com:2087
cryptolocker.vnsextop1.com:2096
cryptolocker.vnsextop1.com:8443

Mutex

HCskIztBLNtd

Attributes

delay
0
install
true
install_file
2fomq2.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/0x000e00000001c4ee-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3752	2fomq2.exe
4296	2fomq2.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	18	104.18.31.167:22
SSH destination	19	104.18.30.167:22

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
4560	cmd.exe
1900	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	2fomq2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2fomq2.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3224	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
4124	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
Token: SeDebugPrivilege	3752	2fomq2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 4560	4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe	89
PID 4184 wrote to memory of 1900	4184	7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe	91
PID 4560 wrote to memory of 4124	4560	cmd.exe	93
PID 1900 wrote to memory of 3224	1900	cmd.exe	94
PID 1900 wrote to memory of 4296	1900	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe
"C:\Users\Admin\AppData\Local\Temp\7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2fomq2" /tr '"C:\Users\Admin\AppData\Roaming\2fomq2.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "2fomq2" /tr '"C:\Users\Admin\AppData\Roaming\2fomq2.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4124
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp841A.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3224
- - C:\Users\Admin\AppData\Roaming\2fomq2.exe
    "C:\Users\Admin\AppData\Roaming\2fomq2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4296

C:\Users\Admin\AppData\Roaming\2fomq2.exe
"C:\Users\Admin\AppData\Roaming\2fomq2.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3752

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

tmp841A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp841A.tmp.bat
Size 150B
SHA256 9951f609d2c48fd70f1382d7c85140b8d352b5fad8e885a0d78316a265755b5e
MD5 52419442eb3d72c66bffa210632b8105
SHA1 b2d0a62b0ad7bbf7738d9cda2fdf4786fd346ba9
SHA512 d84d50bd2efc7c9585116cac00fc3a94a1a250cda0d4fc751337bd2311bade63bfd805815c24eb1c3a5fbad4a614b8d86b72093e58f206ba756edc72a7264356
TLSH
T1BAC08C5262C6AA0E2806942302FAA89D9166AD593F80EB00870844492280448E0D9285
MD5 SHA1 SHA512 TLSH

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2fomq2.exe

Path C:\Users\Admin\AppData\Roaming\2fomq2.exe
Size 45KB
SHA256 7f9617bd398616257e40632d2f906cb8fe070da42e77455900a2ba35f9fb14c8
MD5 a9922b3bf39fbc6e2fdee13c90c9a145
SHA1 aa65edfa7d01c71e05a76656d23df3b8119e2453
SHA512 07f0495c11ea9b7bc16201322b2f6b38711a4aab9c58a96878a7ec6657c3dd067f19dc4fb7168027587a6b6a95f063c50f4503bf624f83c94b92a8b015dbd43d
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q92CHyTtpPImzjbdgX3iQH2nFdulvLysiBBDZ8x:0u1YJTHcw2BnQm3bKXSQH2nFdiTod8x
TLSH
T180232B0037E8812FF2BE5F78ACF26145857AF6672603D58A1CC451DB5623FC58A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3752-12-0x00000000741C0000-0x000000007497C000-memory.dmp

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memory/3752-14-0x00000000741C0000-0x000000007497C000-memory.dmp

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memory/4184-0-0x0000000074372000-0x0000000074373000-memory.dmp

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memory/4184-1-0x0000000000E00000-0x0000000000E12000-memory.dmp

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memory/4184-2-0x0000000074360000-0x0000000074B1C000-memory.dmp

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memory/4184-3-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

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memory/4184-8-0x0000000074360000-0x0000000074B1C000-memory.dmp

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