asyncrat | e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5

Analysis

max time kernel
148s
max time network
152s
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, 09:12

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General

Target
e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
Size 45KB
Sample260919-k56bbade55
SHA256 e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5
MD5 52c48e499dd09b9fbb7c35c793e368e6
SHA1 cb12c47c008fdfbc24d15e12416d1da30c75b526
SHA512 4532c55262e088f6e210bd0767f937f8a3a38f27ed8190ad60da5f8e624f7a63a9e15f637d19de4176ded39c322139f85ad439f9edf0893ba1f1632627e4fc81
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q479Yq3qvhOPI9zjbQgX3inCUTnultY0xBDZ0x:8uUIpT4vAj2/aCC393bXXSntcd0x
TLSH
T175232B0037E8C12BF2BE5F7898F26145867EF2633603D54A1CC452DB5A13BC69A526FE
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

viet69no1.net:80
viet69no1.net:22
viet69no1.net:8080
viet69no1.net:8880
viet69no1.net:2052
viet69no1.net:2082
viet69no1.net:2086
viet69no1.net:2095
viet69no1.net:443
viet69no1.net:2053
viet69no1.net:2083
viet69no1.net:2087
viet69no1.net:2096
viet69no1.net:8443
www.viet69no1.net:80
www.viet69no1.net:22
www.viet69no1.net:8080
www.viet69no1.net:8880
www.viet69no1.net:2052
www.viet69no1.net:2082
www.viet69no1.net:2086
www.viet69no1.net:2095
www.viet69no1.net:443
www.viet69no1.net:2053
www.viet69no1.net:2083
www.viet69no1.net:2087
www.viet69no1.net:2096
www.viet69no1.net:8443
ryuk.viet69no1.net:80
ryuk.viet69no1.net:22
ryuk.viet69no1.net:8080
ryuk.viet69no1.net:8880
ryuk.viet69no1.net:2052
ryuk.viet69no1.net:2082
ryuk.viet69no1.net:2086
ryuk.viet69no1.net:2095
ryuk.viet69no1.net:443
ryuk.viet69no1.net:2053
ryuk.viet69no1.net:2083
ryuk.viet69no1.net:2087
ryuk.viet69no1.net:2096
ryuk.viet69no1.net:8443
malware.viet69no1.net:80
malware.viet69no1.net:22
malware.viet69no1.net:8080
malware.viet69no1.net:8880
malware.viet69no1.net:2052
malware.viet69no1.net:2082
malware.viet69no1.net:2086
malware.viet69no1.net:2095
malware.viet69no1.net:443
malware.viet69no1.net:2053
malware.viet69no1.net:2083
malware.viet69no1.net:2087
malware.viet69no1.net:2096
malware.viet69no1.net:8443
client.viet69no1.net:80
client.viet69no1.net:22
client.viet69no1.net:8080
client.viet69no1.net:8880
client.viet69no1.net:2052
client.viet69no1.net:2082
client.viet69no1.net:2086
client.viet69no1.net:2095
client.viet69no1.net:443
client.viet69no1.net:2053
client.viet69no1.net:2083
client.viet69no1.net:2087
client.viet69no1.net:2096
client.viet69no1.net:8443
emotet.viet69no1.net:80
emotet.viet69no1.net:22
emotet.viet69no1.net:8080
emotet.viet69no1.net:8880
emotet.viet69no1.net:2052
emotet.viet69no1.net:2082
emotet.viet69no1.net:2086
emotet.viet69no1.net:2095
emotet.viet69no1.net:443
emotet.viet69no1.net:2053
emotet.viet69no1.net:2083
emotet.viet69no1.net:2087
emotet.viet69no1.net:2096
emotet.viet69no1.net:8443

Mutex

tngiAVFegn5R

Attributes

delay
0
install
true
install_file
ip38kjg.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/0x000500000001b85a-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2916	ip38kjg.exe
4184	ip38kjg.exe

Outbound SSH connection to public host 2 TTPs 3 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	10	172.67.184.87:22
SSH destination	11	104.21.36.33:22
SSH destination	14	172.67.184.87:22

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
4364	cmd.exe
4788	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	ip38kjg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.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	ip38kjg.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1408	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
5564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
Token: SeDebugPrivilege	2916	ip38kjg.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 4364	4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe	90
PID 4404 wrote to memory of 4788	4404	e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe	91
PID 4364 wrote to memory of 5564	4364	cmd.exe	94
PID 4788 wrote to memory of 1408	4788	cmd.exe	95
PID 4788 wrote to memory of 4184	4788	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe
"C:\Users\Admin\AppData\Local\Temp\e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ip38kjg" /tr '"C:\Users\Admin\AppData\Roaming\ip38kjg.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4364
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ip38kjg" /tr '"C:\Users\Admin\AppData\Roaming\ip38kjg.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5564
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp548F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4788
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1408
- - C:\Users\Admin\AppData\Roaming\ip38kjg.exe
    "C:\Users\Admin\AppData\Roaming\ip38kjg.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4184

C:\Users\Admin\AppData\Roaming\ip38kjg.exe
"C:\Users\Admin\AppData\Roaming\ip38kjg.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2916

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

tmp548F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp548F.tmp.bat
Size 151B
SHA256 54de97dee7a6d4e34f818c9ba8e3b26c6d24cc130fec6ff7ab7b3697b1242766
MD5 8b6c368de33bfe42d6ea9cb1856fc6b5
SHA1 56524a571ff8146b0544974c9ea0ad42a06323cf
SHA512 bcfe965b6e01585433973fe132ef341a2a1c5f92e95ba76685fae9e5270882c6f1f65edfa97fd07f5271a60bd1ce28b2d4a75e8c99d3c7a2d89c77cc1844c665
TLSH
T1EFC02B56B1C5EB1E3809541342FAD9DEA3726C5A3F40BB00E704500E2280848F0DD341
MD5 SHA1 SHA512 TLSH

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ip38kjg.exe

Path C:\Users\Admin\AppData\Roaming\ip38kjg.exe
Size 45KB
SHA256 e057992eb7c61e7607520258fe2d69baae01a1c66c6a81e83287649750f2baf5
MD5 52c48e499dd09b9fbb7c35c793e368e6
SHA1 cb12c47c008fdfbc24d15e12416d1da30c75b526
SHA512 4532c55262e088f6e210bd0767f937f8a3a38f27ed8190ad60da5f8e624f7a63a9e15f637d19de4176ded39c322139f85ad439f9edf0893ba1f1632627e4fc81
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q479Yq3qvhOPI9zjbQgX3inCUTnultY0xBDZ0x:8uUIpT4vAj2/aCC393bXXSntcd0x
TLSH
T175232B0037E8C12BF2BE5F7898F26145867EF2633603D54A1CC452DB5A13BC69A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2916-12-0x00000000742D0000-0x0000000074A8C000-memory.dmp

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memory/2916-14-0x00000000742D0000-0x0000000074A8C000-memory.dmp

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memory/4404-0-0x0000000074452000-0x0000000074453000-memory.dmp

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memory/4404-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

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memory/4404-2-0x0000000074440000-0x0000000074BFC000-memory.dmp

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memory/4404-3-0x00000000055E0000-0x000000000567C000-memory.dmp

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memory/4404-8-0x0000000074440000-0x0000000074BFC000-memory.dmp

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