asyncrat | 75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 16:03

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General

Target
75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
Size 45KB
Sample260816-thmecsdr8v
SHA256 75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f
MD5 843babdd18eaf0588bbab8ea29aa3bc7
SHA1 3275ca1c410ba87f5121b411861b69d4e4d80881
SHA512 f0688ef55dc0e7634a96cb27dd0966bb8f869de71c2fabf541bea8f58139a7d79a8831fc56ced884d36c07095f9bce35ac4e68020348aae684d611d7ee6eeb92
SSDEEP 768:0uAVhJTDEQAQWUaDyzWmo2q7+RzMwnOPIZzjbQgX3iISwJ0nyaBDZ8x:0ushJTDXgH2NA+3Z3bXXSISwoyEd8x
TLSH
T156233B0037E8812BF2BE8F7899F26145867AF6633603E54D1CC451DB5613BC69A42AFE
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
agenttesla.e.streamforester.name:80
agenttesla.e.streamforester.name:22
agenttesla.e.streamforester.name:8080
agenttesla.e.streamforester.name:8880
agenttesla.e.streamforester.name:2052
agenttesla.e.streamforester.name:2082
agenttesla.e.streamforester.name:2086
agenttesla.e.streamforester.name:2095
agenttesla.e.streamforester.name:443
agenttesla.e.streamforester.name:2053
agenttesla.e.streamforester.name:2083
agenttesla.e.streamforester.name:2087
agenttesla.e.streamforester.name:2096
agenttesla.e.streamforester.name:8443
dridex.e.streamforester.name:80
dridex.e.streamforester.name:22
dridex.e.streamforester.name:8080
dridex.e.streamforester.name:8880
dridex.e.streamforester.name:2052
dridex.e.streamforester.name:2082
dridex.e.streamforester.name:2086
dridex.e.streamforester.name:2095
dridex.e.streamforester.name:443
dridex.e.streamforester.name:2053
dridex.e.streamforester.name:2083
dridex.e.streamforester.name:2087
dridex.e.streamforester.name:2096
dridex.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

Mutex

Yki51THalBcP

Attributes

delay
0
install
true
install_file
u38ggf.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/0x000e00000001c447-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5152	u38ggf.exe
6084	u38ggf.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	5	104.26.5.5:22
SSH destination	6	172.67.70.147:22
SSH destination	8	104.26.4.5:22

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
2712	cmd.exe
4196	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	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u38ggf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u38ggf.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4500	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
3360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
Token: SeDebugPrivilege	5152	u38ggf.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2712	908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe	89
PID 908 wrote to memory of 4196	908	75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe	91
PID 2712 wrote to memory of 3360	2712	cmd.exe	93
PID 4196 wrote to memory of 4500	4196	cmd.exe	94
PID 4196 wrote to memory of 6084	4196	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe
"C:\Users\Admin\AppData\Local\Temp\75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "u38ggf" /tr '"C:\Users\Admin\AppData\Roaming\u38ggf.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "u38ggf" /tr '"C:\Users\Admin\AppData\Roaming\u38ggf.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3360
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB48.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4500
- - C:\Users\Admin\AppData\Roaming\u38ggf.exe
    "C:\Users\Admin\AppData\Roaming\u38ggf.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:6084

C:\Users\Admin\AppData\Roaming\u38ggf.exe
"C:\Users\Admin\AppData\Roaming\u38ggf.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5152

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

tmpDB48.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpDB48.tmp.bat
Size 150B
SHA256 c73dda53446349ef351d8b700b4938dab382c7720d77164d26cf3492dd97b64a
MD5 6f61275f19b3a7ff3c58173c9a8ab99e
SHA1 0bc88ffd528de0a73fd3dce344ec1a42c0c319a6
SHA512 63f907d7bb762812cfbdc7be3b30c9ff9fa0bb35080d0f70b5c01c2339e2998f942800ac608e0ade7eefb106ab3e99a70cdb8ffbc3adad1207b8217aa6fa1a1c
TLSH
T140C02B5261C9EE1F6845582302FEE48DE1726C5D3F84BF50C304411D1280848F0D9382
MD5 SHA1 SHA512 TLSH

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u38ggf.exe

Path C:\Users\Admin\AppData\Roaming\u38ggf.exe
Size 45KB
SHA256 75aff7645c64b09ac68439a29dd2e50d74fd46081521f2b945df915e1f6d341f
MD5 843babdd18eaf0588bbab8ea29aa3bc7
SHA1 3275ca1c410ba87f5121b411861b69d4e4d80881
SHA512 f0688ef55dc0e7634a96cb27dd0966bb8f869de71c2fabf541bea8f58139a7d79a8831fc56ced884d36c07095f9bce35ac4e68020348aae684d611d7ee6eeb92
SSDEEP 768:0uAVhJTDEQAQWUaDyzWmo2q7+RzMwnOPIZzjbQgX3iISwJ0nyaBDZ8x:0ushJTDXgH2NA+3Z3bXXSISwoyEd8x
TLSH
T156233B0037E8812BF2BE8F7899F26145867AF6633603E54D1CC451DB5613BC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/908-0-0x0000000074962000-0x0000000074963000-memory.dmp

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memory/908-1-0x0000000000480000-0x0000000000492000-memory.dmp

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memory/908-2-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/908-3-0x0000000004FC0000-0x000000000505C000-memory.dmp

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memory/908-8-0x0000000074950000-0x000000007510C000-memory.dmp

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memory/5152-12-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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memory/5152-14-0x00000000747E0000-0x0000000074F9C000-memory.dmp

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