asyncrat | cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 13:37

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General

Target
cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
Size 45KB
Sample260803-qwwcmszfrd
SHA256 cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a
MD5 8f6325ec69e671e97776daca78abbcc5
SHA1 12a2078f34a6b812e2fe69cbc1a1ae393008255e
SHA512 41d440813c05a1bdea125b5c1e2398ffd34a5424d8e23d10d7340fddeb158ce1ab9e8080b93d8361a046d1523a6fd14a63e9fcbc318818b85fc9fa1b21cc65a0
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVS/qpG3jHuPIgzjbRgXIiFx4dofTed/BDZkx:suJdpTPdI2PIM3g3beXFFxmJdkx
TLSH
T1C0233A003BE8812BF2BE4FB4A8F26145467AF5677602D98D1CC451DB5623FC68A026FE
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
blaster.phimsexvnn.com:80
blaster.phimsexvnn.com:22
blaster.phimsexvnn.com:8080
blaster.phimsexvnn.com:8880
blaster.phimsexvnn.com:2052
blaster.phimsexvnn.com:2082
blaster.phimsexvnn.com:2086
blaster.phimsexvnn.com:2095
blaster.phimsexvnn.com:443
blaster.phimsexvnn.com:2053
blaster.phimsexvnn.com:2083
blaster.phimsexvnn.com:2087
blaster.phimsexvnn.com:2096
blaster.phimsexvnn.com:8443
socgholish.phimsexvnn.com:80
socgholish.phimsexvnn.com:22
socgholish.phimsexvnn.com:8080
socgholish.phimsexvnn.com:8880
socgholish.phimsexvnn.com:2052
socgholish.phimsexvnn.com:2082
socgholish.phimsexvnn.com:2086
socgholish.phimsexvnn.com:2095
socgholish.phimsexvnn.com:443
socgholish.phimsexvnn.com:2053
socgholish.phimsexvnn.com:2083
socgholish.phimsexvnn.com:2087
socgholish.phimsexvnn.com:2096
socgholish.phimsexvnn.com:8443

Mutex

sb5mSwJW5jxM

Attributes

delay
0
install
true
install_file
zkq3fi2q.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/0x000f00000001c51c-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4248	zkq3fi2q.exe
2508	zkq3fi2q.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	21	104.21.5.48:22
SSH destination	22	172.67.132.249:22

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
4616	cmd.exe
5116	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	zkq3fi2q.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zkq3fi2q.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3728	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
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
Token: SeDebugPrivilege	4248	zkq3fi2q.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 4616	3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe	89
PID 3644 wrote to memory of 5116	3644	cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe	91
PID 4616 wrote to memory of 2120	4616	cmd.exe	93
PID 5116 wrote to memory of 3728	5116	cmd.exe	94
PID 5116 wrote to memory of 2508	5116	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe
"C:\Users\Admin\AppData\Local\Temp\cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zkq3fi2q" /tr '"C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zkq3fi2q" /tr '"C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp41D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3728
- - C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe
    "C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2508

C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe
"C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4248

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

tmp41D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp41D.tmp.bat
Size 151B
SHA256 f235d836afabce1ef77e1a8449b6a490d0aca23ff636a93fe3067288e98139f3
MD5 a88b49bc34d06e9e168b22b1d02018d3
SHA1 5511bd0f1444f61658a76cb85c96e6204317570d
SHA512 89b2308e00de0fca8ac469e4454c03842153e80f5d6cc729ce74d86e3e5934ab4cb32a76e48cb024a8f5e3c83e68b87100373bc3f20db8b92a1256e624999d30
TLSH
T173C02BF651C5EB4E290A241322FED89CA1727C5D3F44BB40C304405E16C0858F0EA346
MD5 SHA1 SHA512 TLSH

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zkq3fi2q.exe

Path C:\Users\Admin\AppData\Roaming\zkq3fi2q.exe
Size 45KB
SHA256 cda6f28f1ee7cf33e6161687ee921ba8a791e5743291cf7717aaabdf1d2b163a
MD5 8f6325ec69e671e97776daca78abbcc5
SHA1 12a2078f34a6b812e2fe69cbc1a1ae393008255e
SHA512 41d440813c05a1bdea125b5c1e2398ffd34a5424d8e23d10d7340fddeb158ce1ab9e8080b93d8361a046d1523a6fd14a63e9fcbc318818b85fc9fa1b21cc65a0
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVS/qpG3jHuPIgzjbRgXIiFx4dofTed/BDZkx:suJdpTPdI2PIM3g3beXFFxmJdkx
TLSH
T1C0233A003BE8812BF2BE4FB4A8F26145467AF5677602D98D1CC451DB5623FC68A026FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3644-0-0x0000000074A82000-0x0000000074A83000-memory.dmp

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memory/3644-1-0x00000000003F0000-0x0000000000402000-memory.dmp

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memory/3644-2-0x0000000074A70000-0x000000007522C000-memory.dmp

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memory/3644-3-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

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memory/3644-9-0x0000000074A70000-0x000000007522C000-memory.dmp

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memory/4248-12-0x0000000074A70000-0x000000007522C000-memory.dmp

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memory/4248-14-0x0000000074A70000-0x000000007522C000-memory.dmp

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