asyncrat | b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74

Analysis

max time kernel
148s
max time network
150s
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, 14:08

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General

Target
b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
Size 45KB
Sample260816-rf14macn5t
SHA256 b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74
MD5 ff31f14f3dfb0e2fe45ea2468f2ea6b6
SHA1 17d365a380778fb7afb1fda47ba6241a31505eb7
SHA512 eb74ec8c5608a56c03a585a336d9907d91caf22fb850caed79f7f802ebce553ac56e39b438395d74be3410eae4f360405b2fd16d4444c2c5fd3826e4a57ad81e
SSDEEP 768:EulCJTHESwgWUK3aGmo2q90ZbtDMQPI8ejbdXgX3iGpKG4dAuaEUvlBMBDZsx:EulCJTHl42lJk8SbeXSHbWbEUtBKdsx
TLSH
T10C231B003BE8C12BF2BE4F7899F26145867AF6633603D54A1CC411DB5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

streamforester.name:80
streamforester.name:22
streamforester.name:8080
streamforester.name:8880
streamforester.name:2052
streamforester.name:2082
streamforester.name:2086
streamforester.name:2095
streamforester.name:443
streamforester.name:2053
streamforester.name:2083
streamforester.name:2087
streamforester.name:2096
streamforester.name:8443
www.streamforester.name:80
www.streamforester.name:22
www.streamforester.name:8080
www.streamforester.name:8880
www.streamforester.name:2052
www.streamforester.name:2082
www.streamforester.name:2086
www.streamforester.name:2095
www.streamforester.name:443
www.streamforester.name:2053
www.streamforester.name:2083
www.streamforester.name:2087
www.streamforester.name:2096
www.streamforester.name:8443
malware.streamforester.name:80
malware.streamforester.name:22
malware.streamforester.name:8080
malware.streamforester.name:8880
malware.streamforester.name:2052
malware.streamforester.name:2082
malware.streamforester.name:2086
malware.streamforester.name:2095
malware.streamforester.name:443
malware.streamforester.name:2053
malware.streamforester.name:2083
malware.streamforester.name:2087
malware.streamforester.name:2096
malware.streamforester.name:8443
stuxnet.streamforester.name:80
stuxnet.streamforester.name:22
stuxnet.streamforester.name:8080
stuxnet.streamforester.name:8880
stuxnet.streamforester.name:2052
stuxnet.streamforester.name:2082
stuxnet.streamforester.name:2086
stuxnet.streamforester.name:2095
stuxnet.streamforester.name:443
stuxnet.streamforester.name:2053
stuxnet.streamforester.name:2083
stuxnet.streamforester.name:2087
stuxnet.streamforester.name:2096
stuxnet.streamforester.name:8443

Mutex

Z90wFpVXCwpW

Attributes

delay
0
install
true
install_file
7xewxd.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/0x000d00000001c46e-11.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5488	7xewxd.exe
1500	7xewxd.exe

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
5808	cmd.exe
6028	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	7xewxd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.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	7xewxd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
572	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
3104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
Token: SeDebugPrivilege	5488	7xewxd.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 5808	832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe	89
PID 832 wrote to memory of 6028	832	b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe	91
PID 6028 wrote to memory of 572	6028	cmd.exe	93
PID 5808 wrote to memory of 3104	5808	cmd.exe	94
PID 6028 wrote to memory of 1500	6028	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe
"C:\Users\Admin\AppData\Local\Temp\b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "7xewxd" /tr '"C:\Users\Admin\AppData\Roaming\7xewxd.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5808
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "7xewxd" /tr '"C:\Users\Admin\AppData\Roaming\7xewxd.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3104
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8478.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6028
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:572
- - C:\Users\Admin\AppData\Roaming\7xewxd.exe
    "C:\Users\Admin\AppData\Roaming\7xewxd.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1500

C:\Users\Admin\AppData\Roaming\7xewxd.exe
"C:\Users\Admin\AppData\Roaming\7xewxd.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5488

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp8478.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8478.tmp.bat
Size 150B
SHA256 e202ea4759edb008fe3bcfbe3af5deccb66bc71735d7e255745114819875db38
MD5 3ee982390b1d5054940e12c363016a8d
SHA1 a4dc5477799ff6593425542103e749c75d0986d6
SHA512 b257b004c00835abaeed192bed8caa1f7d19aaf769b19a36c44f9da2cf4be7f9f15e2ada1cfd96d7126041ceab280fa5cd0a788530072718e4dcb56275aa4d0b
TLSH
T1ECC02B5365C5EA0E2C065C7303FFD59C917AAC5D3F80BB50C304404E138048CF0EA345
MD5 SHA1 SHA512 TLSH

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7xewxd.exe

Path C:\Users\Admin\AppData\Roaming\7xewxd.exe
Size 45KB
SHA256 b01a91aa3d56971c4491d3a8a8328f942dde8e5590d49e807d3a8fe06b9a5e74
MD5 ff31f14f3dfb0e2fe45ea2468f2ea6b6
SHA1 17d365a380778fb7afb1fda47ba6241a31505eb7
SHA512 eb74ec8c5608a56c03a585a336d9907d91caf22fb850caed79f7f802ebce553ac56e39b438395d74be3410eae4f360405b2fd16d4444c2c5fd3826e4a57ad81e
SSDEEP 768:EulCJTHESwgWUK3aGmo2q90ZbtDMQPI8ejbdXgX3iGpKG4dAuaEUvlBMBDZsx:EulCJTHl42lJk8SbeXSHbWbEUtBKdsx
TLSH
T10C231B003BE8C12BF2BE4F7899F26145867AF6633603D54A1CC411DB5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/832-0-0x0000000074582000-0x0000000074583000-memory.dmp

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memory/832-1-0x0000000000340000-0x0000000000352000-memory.dmp

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memory/832-2-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/832-3-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

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memory/832-8-0x0000000074570000-0x0000000074D2C000-memory.dmp

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memory/5488-12-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/5488-14-0x0000000074400000-0x0000000074BBC000-memory.dmp

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