asyncrat | 17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 16:53

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General

Target
17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
Size 45KB
Sample260816-vefcbaef47
SHA256 17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae
MD5 d08ad360b2ba89e6bfd4363329f45f7a
SHA1 e90afcb775d32d27af06114783e32f27a50cc1a7
SHA512 8ef1a993b280dff1aa8140348f7558972b36d57b29fd3d14449de89aafb91c32ecebc6db539d85809876f6a47f0fe5764bee731441baf7437416b9c705d17a5c
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qjLS7synzuOPIzzjb2gX9iJ9g84USo3FkkBDZ8x:0u2vpTDe+2gSYh3z3bpXM4BHSd8x
TLSH
T1E3233A003BE8822BF2BE4FB49CF26145867AF6636603D5492CC452D75713FC68A526FE
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

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
gh0st.e.streamforester.name:80
gh0st.e.streamforester.name:22
gh0st.e.streamforester.name:8080
gh0st.e.streamforester.name:8880
gh0st.e.streamforester.name:2052
gh0st.e.streamforester.name:2082
gh0st.e.streamforester.name:2086
gh0st.e.streamforester.name:2095
gh0st.e.streamforester.name:443
gh0st.e.streamforester.name:2053
gh0st.e.streamforester.name:2083
gh0st.e.streamforester.name:2087
gh0st.e.streamforester.name:2096
gh0st.e.streamforester.name:8443
azorult.e.streamforester.name:80
azorult.e.streamforester.name:22
azorult.e.streamforester.name:8080
azorult.e.streamforester.name:8880
azorult.e.streamforester.name:2052
azorult.e.streamforester.name:2082
azorult.e.streamforester.name:2086
azorult.e.streamforester.name:2095
azorult.e.streamforester.name:443
azorult.e.streamforester.name:2053
azorult.e.streamforester.name:2083
azorult.e.streamforester.name:2087
azorult.e.streamforester.name:2096
azorult.e.streamforester.name:8443
remote.e.streamforester.name:80
remote.e.streamforester.name:22
remote.e.streamforester.name:8080
remote.e.streamforester.name:8880
remote.e.streamforester.name:2052
remote.e.streamforester.name:2082
remote.e.streamforester.name:2086
remote.e.streamforester.name:2095
remote.e.streamforester.name:443
remote.e.streamforester.name:2053
remote.e.streamforester.name:2083
remote.e.streamforester.name:2087
remote.e.streamforester.name:2096
remote.e.streamforester.name:8443

Mutex

S3dd4iOMkzZu

Attributes

delay
0
install
true
install_file
cafx1no.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/0x0003000000000436-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2752	cafx1no.exe
4640	cafx1no.exe

Outbound SSH connection to public host 2 TTPs 6 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	pid	Process
SSH destination	7	104.26.4.5:22	2752	cafx1no.exe
SSH destination	9	104.26.5.5:22		Process not Found
SSH destination	11	172.67.70.147:22		Process not Found
SSH destination	15	104.26.4.5:22		Process not Found
SSH destination	16	104.26.5.5:22		Process not Found
SSH destination	18	172.67.70.147:22		Process not Found

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
1684	cmd.exe
4792	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	cafx1no.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cafx1no.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5408	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
5424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
Token: SeDebugPrivilege	2752	cafx1no.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 1684	1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe	89
PID 1004 wrote to memory of 4792	1004	17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe	91
PID 1684 wrote to memory of 5424	1684	cmd.exe	93
PID 4792 wrote to memory of 5408	4792	cmd.exe	94
PID 4792 wrote to memory of 4640	4792	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe
"C:\Users\Admin\AppData\Local\Temp\17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cafx1no" /tr '"C:\Users\Admin\AppData\Roaming\cafx1no.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "cafx1no" /tr '"C:\Users\Admin\AppData\Roaming\cafx1no.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5424
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp594.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5408
- - C:\Users\Admin\AppData\Roaming\cafx1no.exe
    "C:\Users\Admin\AppData\Roaming\cafx1no.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4640

C:\Users\Admin\AppData\Roaming\cafx1no.exe
"C:\Users\Admin\AppData\Roaming\cafx1no.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2752

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

tmp594.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp594.tmp.bat
Size 150B
SHA256 19af2b6d77dda7906ddf9e9dcc9f1cd756b74fc7f5be07cc5464a37ab4ed191f
MD5 6da34c5203e69d05b8c5bc1d82669035
SHA1 9ce93bc744a60767adce942418b68f47da0d486e
SHA512 47503765b396bb157e45aded61f443fce5174fcb0ccc46f0d9a3280183b119e919d368207e8397fbcec8adb8cf1f6b9ca42b158d0a299808b611d490c945922a
TLSH
T146C02B8265C6EA4F2806241312FADD8CA1B67C9E3F42BF00CB04800F5680448F4DE381
MD5 SHA1 SHA512 TLSH

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cafx1no.exe

Path C:\Users\Admin\AppData\Roaming\cafx1no.exe
Size 45KB
SHA256 17c6d19030a7b8ab395ffd1067ee0581bba97aa9288e0392ea8f5b6c6a919fae
MD5 d08ad360b2ba89e6bfd4363329f45f7a
SHA1 e90afcb775d32d27af06114783e32f27a50cc1a7
SHA512 8ef1a993b280dff1aa8140348f7558972b36d57b29fd3d14449de89aafb91c32ecebc6db539d85809876f6a47f0fe5764bee731441baf7437416b9c705d17a5c
SSDEEP 768:0u2vpTD4U2ieWUsqfAmo2qjLS7synzuOPIzzjb2gX9iJ9g84USo3FkkBDZ8x:0u2vpTDe+2gSYh3z3bpXM4BHSd8x
TLSH
T1E3233A003BE8822BF2BE4FB49CF26145867AF6636603D5492CC452D75713FC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1004-0-0x0000000075102000-0x0000000075103000-memory.dmp

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memory/1004-1-0x0000000000CD0000-0x0000000000CE2000-memory.dmp

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memory/1004-2-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/1004-3-0x00000000056B0000-0x000000000574C000-memory.dmp

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memory/1004-8-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/2752-12-0x0000000074F80000-0x000000007573C000-memory.dmp

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memory/2752-14-0x0000000074F80000-0x000000007573C000-memory.dmp

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