Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/08/2026, 03:16
Behavioral task
behavioral1
Sample
062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe
Resource
win11ltsc2024-20260709-en
General
- Target 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe
- Size 45KB
- Sample260816-dstnesba35
- SHA256 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb
- MD5 fda2582d8446d37f499b787f243afe20
- SHA1 4b06e564fd37f4e7ec50a25ba66c18c6b3b97fb5
- SHA512 23f4d19fc7176967a00e6084f51042974b84ac79a80804d0129c8e664c7dddb2e58096bb3f2e762332050273870acf39e3d30c8afc2e9e659be6437e207507ae
- SSDEEP 768:buuv1TwQsOnFWUFN1/mo2qDILiE0OFjrdjYkk8PIuTjbGgX3iKARugNI5vP4+348:buuv1TwSb2fLNXQBuXbZXSK/gi5vPR+2
- TLSH T13C232A0037E9822BF6BE4F7898F26141867AF1633603D65E1C8451DB5613FC68A43AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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mxosource.com:21
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mxosource.com:3306
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mxosource.com:8080
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www.mxosource.com:21
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www.mxosource.com:3306
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www.mxosource.com:8080
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vuqSe4jY43eY
-
delay
3
-
install
true
-
install_file
backdoor.exe
-
install_folder
%Temp%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000300000001e697-8.dat family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe - Executes dropped EXE 2 IoCs
pid Process 1040 backdoor.exe 2168 backdoor.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
pid Process 4436 cmd.exe 3112 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.
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 backdoor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backdoor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4276 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.
pid Process 1608 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe Token: SeDebugPrivilege 1040 backdoor.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3036 wrote to memory of 4436 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 87 PID 3036 wrote to memory of 3112 3036 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe 89 PID 4436 wrote to memory of 1608 4436 cmd.exe 91 PID 3112 wrote to memory of 4276 3112 cmd.exe 92 PID 3112 wrote to memory of 2168 3112 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe"C:\Users\Admin\AppData\Local\Temp\062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "backdoor" /tr '"C:\Users\Admin\AppData\Local\Temp\backdoor.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "backdoor" /tr '"C:\Users\Admin\AppData\Local\Temp\backdoor.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1608
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6414.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4276
-
-
C:\Users\Admin\AppData\Local\Temp\backdoor.exe"C:\Users\Admin\AppData\Local\Temp\backdoor.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2168
-
-
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C:\Users\Admin\AppData\Local\Temp\backdoor.exe"C:\Users\Admin\AppData\Local\Temp\backdoor.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1040
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\backdoor.exe
- Size 45KB
- SHA256 062d756eacd62160af64099de057faa8ee240b14c3ec0342718f79051c3427fb
- MD5 fda2582d8446d37f499b787f243afe20
- SHA1 4b06e564fd37f4e7ec50a25ba66c18c6b3b97fb5
- SHA512 23f4d19fc7176967a00e6084f51042974b84ac79a80804d0129c8e664c7dddb2e58096bb3f2e762332050273870acf39e3d30c8afc2e9e659be6437e207507ae
- SSDEEP 768:buuv1TwQsOnFWUFN1/mo2qDILiE0OFjrdjYkk8PIuTjbGgX3iKARugNI5vP4+348:buuv1TwSb2fLNXQBuXbZXSK/gi5vPR+2
- TLSH T13C232A0037E9822BF6BE4F7898F26141867AF1633603D65E1C8451DB5613FC68A43AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp6414.tmp.bat
- Size 155B
- SHA256 993693d4577e1b6431ec2d331f3622110e7300cd7cdd7dce9de6d137150683ef
- MD5 5018f491ba59092653183227fca7c989
- SHA1 5d6887b493769a515170ab441c37bcaccbcdb014
- SHA512 85a7f207d4206bbdb9d414d8862d976fa46a49f3c74a00d501a9ba55e0354454c0102d5a17cf6edc528b2bb2a1ec653f3b0bfbaa8673ed92230ca30814e7b259
- TLSH T114C02B46A1C7EE5E2909641701FBD7EEE1763C1D3F84BB208304C01E238044EF0D9341
- MD5 SHA1 SHA512 TLSH