asyncrat | cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5

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
04/08/2026, 07:42

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General

Target
cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
Size 45KB
Sample260804-jjy5fafd87
SHA256 cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5
MD5 755f6f2723ce46275eb5a7d818a3aaa9
SHA1 60a929f1d36b5d60a3d5f86110857ae1238bb63c
SHA512 da916af7259add58e5dc39380d464537de751c718d7f886b41955b57daea4215f6c6e0a5c7f7f656208a31c64cfe6de26954ca7a3bfb2d97fce5f331facc060d
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1nLiE0yFjrdj3kk8PIh8jbPRgX3iDXXJWM6TQeWPdY:wuZ8pT1tc2KLBXDBhMbPeXSDX5WdTdWW
TLSH
T1A7232C003BE9812BF2BE4B7869F26145867AF5733603D64E1CC451DB5623BC68A436FE
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

phimsexvnn.com:80
phimsexvnn.com:22
phimsexvnn.com:8080
phimsexvnn.com:8880
phimsexvnn.com:2052
phimsexvnn.com:2082
phimsexvnn.com:2086
phimsexvnn.com:2095
phimsexvnn.com:443
phimsexvnn.com:2053
phimsexvnn.com:2083
phimsexvnn.com:2087
phimsexvnn.com:2096
phimsexvnn.com:8443
www.phimsexvnn.com:80
www.phimsexvnn.com:22
www.phimsexvnn.com:8080
www.phimsexvnn.com:8880
www.phimsexvnn.com:2052
www.phimsexvnn.com:2082
www.phimsexvnn.com:2086
www.phimsexvnn.com:2095
www.phimsexvnn.com:443
www.phimsexvnn.com:2053
www.phimsexvnn.com:2083
www.phimsexvnn.com:2087
www.phimsexvnn.com:2096
www.phimsexvnn.com:8443
emotet.phimsexvnn.com:80
emotet.phimsexvnn.com:22
emotet.phimsexvnn.com:8080
emotet.phimsexvnn.com:8880
emotet.phimsexvnn.com:2052
emotet.phimsexvnn.com:2082
emotet.phimsexvnn.com:2086
emotet.phimsexvnn.com:2095
emotet.phimsexvnn.com:443
emotet.phimsexvnn.com:2053
emotet.phimsexvnn.com:2083
emotet.phimsexvnn.com:2087
emotet.phimsexvnn.com:2096
emotet.phimsexvnn.com:8443
nimda.phimsexvnn.com:80
nimda.phimsexvnn.com:22
nimda.phimsexvnn.com:8080
nimda.phimsexvnn.com:8880
nimda.phimsexvnn.com:2052
nimda.phimsexvnn.com:2082
nimda.phimsexvnn.com:2086
nimda.phimsexvnn.com:2095
nimda.phimsexvnn.com:443
nimda.phimsexvnn.com:2053
nimda.phimsexvnn.com:2083
nimda.phimsexvnn.com:2087
nimda.phimsexvnn.com:2096
nimda.phimsexvnn.com:8443

Mutex

iKmGpVJEUDTS

Attributes

delay
0
install
true
install_file
xt89.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/0x0006000000016d97-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2056	xt89.exe
5772	xt89.exe

Outbound SSH connection to public host 2 TTPs 1 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	21	104.21.5.48:22

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
2840	cmd.exe
5732	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	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	xt89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xt89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2064	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
1868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
Token: SeDebugPrivilege	2056	xt89.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2840	2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe	89
PID 2960 wrote to memory of 5732	2960	cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe	91
PID 2840 wrote to memory of 1868	2840	cmd.exe	93
PID 5732 wrote to memory of 2064	5732	cmd.exe	94
PID 5732 wrote to memory of 5772	5732	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe
"C:\Users\Admin\AppData\Local\Temp\cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xt89" /tr '"C:\Users\Admin\AppData\Roaming\xt89.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "xt89" /tr '"C:\Users\Admin\AppData\Roaming\xt89.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC908.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5732
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2064
- - C:\Users\Admin\AppData\Roaming\xt89.exe
    "C:\Users\Admin\AppData\Roaming\xt89.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5772

C:\Users\Admin\AppData\Roaming\xt89.exe
"C:\Users\Admin\AppData\Roaming\xt89.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2056

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

Replay Monitor

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Downloads

tmpC908.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC908.tmp.bat
Size 148B
SHA256 7d22fe9bfd916555f87318f6b4d6c0bc79ee4be03111d1f9a5e769cd9cfbb56d
MD5 d93fa7c4d1407e29d5c1d5a0d659dde5
SHA1 3536a5afe2ce3ab3a1aa2f60d9b13e407826a836
SHA512 676e4dd3ec15a2f4115d69034c7f9d07f03a2241be0079109819d0acce18e2e952a7f019532c0e7665868357b8383aff0eb0b2a2bba3659907a84734cb3b92f9
TLSH
T12AC02B4372C5EA4F3809181306FAD48CA1726C993F40BF20C74C400D16C0848F4DA389
MD5 SHA1 SHA512 TLSH

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xt89.exe

Path C:\Users\Admin\AppData\Roaming\xt89.exe
Size 45KB
SHA256 cf2afae806377526b32137f25cc812d511ea77def15d8fc03ceb0a0a10babfc5
MD5 755f6f2723ce46275eb5a7d818a3aaa9
SHA1 60a929f1d36b5d60a3d5f86110857ae1238bb63c
SHA512 da916af7259add58e5dc39380d464537de751c718d7f886b41955b57daea4215f6c6e0a5c7f7f656208a31c64cfe6de26954ca7a3bfb2d97fce5f331facc060d
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q1nLiE0yFjrdj3kk8PIh8jbPRgX3iDXXJWM6TQeWPdY:wuZ8pT1tc2KLBXDBhMbPeXSDX5WdTdWW
TLSH
T1A7232C003BE9812BF2BE4B7869F26145867AF5733603D64E1CC451DB5623BC68A436FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2056-12-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/2056-14-0x0000000074E10000-0x00000000755CC000-memory.dmp

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memory/2960-0-0x0000000074E32000-0x0000000074E33000-memory.dmp

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memory/2960-1-0x0000000000FB0000-0x0000000000FC2000-memory.dmp

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memory/2960-2-0x0000000074E20000-0x00000000755DC000-memory.dmp

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memory/2960-3-0x00000000059A0000-0x0000000005A3C000-memory.dmp

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memory/2960-8-0x0000000074E20000-0x00000000755DC000-memory.dmp

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