asyncrat | 5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031

Analysis

max time kernel
6s
max time network
148s
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, 16:11

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General

Target
5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
Size 45KB
Sample260804-tmx2navamg
SHA256 5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031
MD5 10605f04c762ffca41e8809373d7ce72
SHA1 ddb37485b437b835b11ebca4d52bddb856048dbb
SHA512 726ce3957058f93c472c426b28ba6a2da8568f1452917d9c4ba64d59d1463ead9aa4b5288282f9ff85cf3ebf478ed4d88b0d7aaff5abed6dcaf32fab7cf8baed
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYZ/NYssPJZOPIczzjbNgXkiAZap2OQPBO0NWRBDZ0x:8uuSpTgyf2hHIf3cz3baXh+PE04d0x
TLSH
T13F231A003BE8822BF2BE4F7898F25145867EF6673A03E58E1CC4519B5613FC59A426FD
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

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
nimda.xcavengon.click:80
nimda.xcavengon.click:22
nimda.xcavengon.click:8080
nimda.xcavengon.click:8880
nimda.xcavengon.click:2052
nimda.xcavengon.click:2082
nimda.xcavengon.click:2086
nimda.xcavengon.click:2095
nimda.xcavengon.click:443
nimda.xcavengon.click:2053
nimda.xcavengon.click:2083
nimda.xcavengon.click:2087
nimda.xcavengon.click:2096
nimda.xcavengon.click:8443
zeus.xcavengon.click:80
zeus.xcavengon.click:22
zeus.xcavengon.click:8080
zeus.xcavengon.click:8880
zeus.xcavengon.click:2052
zeus.xcavengon.click:2082
zeus.xcavengon.click:2086
zeus.xcavengon.click:2095
zeus.xcavengon.click:443
zeus.xcavengon.click:2053
zeus.xcavengon.click:2083
zeus.xcavengon.click:2087
zeus.xcavengon.click:2096
zeus.xcavengon.click:8443
clop.xcavengon.click:80
clop.xcavengon.click:22
clop.xcavengon.click:8080
clop.xcavengon.click:8880
clop.xcavengon.click:2052
clop.xcavengon.click:2082
clop.xcavengon.click:2086
clop.xcavengon.click:2095
clop.xcavengon.click:443
clop.xcavengon.click:2053
clop.xcavengon.click:2083
clop.xcavengon.click:2087
clop.xcavengon.click:2096
clop.xcavengon.click:8443
blacklotus.xcavengon.click:80
blacklotus.xcavengon.click:22
blacklotus.xcavengon.click:8080
blacklotus.xcavengon.click:8880
blacklotus.xcavengon.click:2052
blacklotus.xcavengon.click:2082
blacklotus.xcavengon.click:2086
blacklotus.xcavengon.click:2095
blacklotus.xcavengon.click:443
blacklotus.xcavengon.click:2053
blacklotus.xcavengon.click:2083
blacklotus.xcavengon.click:2087
blacklotus.xcavengon.click:2096
blacklotus.xcavengon.click:8443

Mutex

LZvG1szUPANj

Attributes

delay
0
install
true
install_file
tf1h7q.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/0x000e00000001c516-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1512	tf1h7q.exe
3440	tf1h7q.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
4080	cmd.exe
4864	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	tf1h7q.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tf1h7q.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1608	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
4592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
Token: SeDebugPrivilege	1512	tf1h7q.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4080	4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe	89
PID 4224 wrote to memory of 4864	4224	5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe	91
PID 4080 wrote to memory of 4592	4080	cmd.exe	93
PID 4864 wrote to memory of 1608	4864	cmd.exe	94
PID 4864 wrote to memory of 3440	4864	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe
"C:\Users\Admin\AppData\Local\Temp\5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "tf1h7q" /tr '"C:\Users\Admin\AppData\Roaming\tf1h7q.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "tf1h7q" /tr '"C:\Users\Admin\AppData\Roaming\tf1h7q.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4592
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFFC7.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1608
- - C:\Users\Admin\AppData\Roaming\tf1h7q.exe
    "C:\Users\Admin\AppData\Roaming\tf1h7q.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3440

C:\Users\Admin\AppData\Roaming\tf1h7q.exe
"C:\Users\Admin\AppData\Roaming\tf1h7q.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1512

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

tmpFFC7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpFFC7.tmp.bat
Size 150B
SHA256 a98bfdcc2e8c9ef0e1af212ac0f5330b963c9645ea14fa4946cb23f5021c0103
MD5 9b5f70b5a6b502a48a3bf56b21545dbc
SHA1 26bd499aaa381818461ff7c5eb2c322d0b998c34
SHA512 af28d58d7c0d86987b7f5356a9ce122ac4f6eeeb1693249c6b54a67e394ca986085f5f1cad78164041ce5fb2279801c606c5ca8d17ed9d4a12f9beaa0796e284
TLSH
T18DC08C9251C6FA1E2805141302FA949C91B26C593E40BB008704481922C0459E0E9241
MD5 SHA1 SHA512 TLSH

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tf1h7q.exe

Path C:\Users\Admin\AppData\Roaming\tf1h7q.exe
Size 45KB
SHA256 5f9fbb5e767f586daa0da47d6666522388f2a4ac6a2990671ea939fc52f8b031
MD5 10605f04c762ffca41e8809373d7ce72
SHA1 ddb37485b437b835b11ebca4d52bddb856048dbb
SHA512 726ce3957058f93c472c426b28ba6a2da8568f1452917d9c4ba64d59d1463ead9aa4b5288282f9ff85cf3ebf478ed4d88b0d7aaff5abed6dcaf32fab7cf8baed
SSDEEP 768:8uuSpTg7GBoWUSH6+mo2qYZ/NYssPJZOPIczzjbNgXkiAZap2OQPBO0NWRBDZ0x:8uuSpTgyf2hHIf3cz3baXh+PE04d0x
TLSH
T13F231A003BE8822BF2BE4F7898F25145867EF6673A03E58E1CC4519B5613FC59A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1512-12-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/1512-14-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/4224-0-0x00000000751E2000-0x00000000751E3000-memory.dmp

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memory/4224-1-0x0000000000980000-0x0000000000992000-memory.dmp

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memory/4224-2-0x00000000751D0000-0x000000007598C000-memory.dmp

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memory/4224-3-0x0000000005550000-0x00000000055EC000-memory.dmp

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memory/4224-9-0x00000000751D0000-0x000000007598C000-memory.dmp

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