Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/07/2026, 09:53
Behavioral task
behavioral1
Sample
d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe
Resource
win11ltsc2024-20260709-en
General
- Target d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe
- Size 45KB
- Sample260710-lwp4eah12y
- SHA256 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d
- MD5 44b85fb9102aa3d4d3bba6153cc7873b
- SHA1 2867d6dcbd1a68884b4821aaabefa6d0bac80676
- SHA512 5a9a732f9fd631b451e5246420652d8a3d83ec02460d183189adc654ae10a4c32350a8a65372f3cdb3b8040c1dad23b15f7c2bb423d77e2e5c12f2bfbcc625db
- SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1BuwZQaKkPIozzjbhqgX3i8pgcTY3vLuYeCEOBDZcx:RuxkJTgip2IIu3bnXSAgcTIiYeCtdcx
- TLSH T134231B003BE8823BF2BE4FB89CF26145467AF5637603D54D6CC452DB5623BC68A426F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
phimsexz.org:80
-
phimsexz.org:22
-
phimsexz.org:8080
-
phimsexz.org:8880
-
phimsexz.org:2052
-
phimsexz.org:2082
-
phimsexz.org:2086
-
phimsexz.org:2095
-
phimsexz.org:443
-
phimsexz.org:2053
-
phimsexz.org:2083
-
phimsexz.org:2087
-
phimsexz.org:2096
-
phimsexz.org:8443
-
www.phimsexz.org:80
-
www.phimsexz.org:22
-
www.phimsexz.org:8080
-
www.phimsexz.org:8880
-
www.phimsexz.org:2052
-
www.phimsexz.org:2082
-
www.phimsexz.org:2086
-
www.phimsexz.org:2095
-
www.phimsexz.org:443
-
www.phimsexz.org:2053
-
www.phimsexz.org:2083
-
www.phimsexz.org:2087
-
www.phimsexz.org:2096
-
www.phimsexz.org:8443
-
formbook.phimsexz.org:80
-
formbook.phimsexz.org:22
-
formbook.phimsexz.org:8080
-
formbook.phimsexz.org:8880
-
formbook.phimsexz.org:2052
-
formbook.phimsexz.org:2082
-
formbook.phimsexz.org:2086
-
formbook.phimsexz.org:2095
-
formbook.phimsexz.org:443
-
formbook.phimsexz.org:2053
-
formbook.phimsexz.org:2083
-
formbook.phimsexz.org:2087
-
formbook.phimsexz.org:2096
-
formbook.phimsexz.org:8443
-
cryptolocker.phimsexz.org:80
-
cryptolocker.phimsexz.org:22
-
cryptolocker.phimsexz.org:8080
-
cryptolocker.phimsexz.org:8880
-
cryptolocker.phimsexz.org:2052
-
cryptolocker.phimsexz.org:2082
-
cryptolocker.phimsexz.org:2086
-
cryptolocker.phimsexz.org:2095
-
cryptolocker.phimsexz.org:443
-
cryptolocker.phimsexz.org:2053
-
cryptolocker.phimsexz.org:2083
-
cryptolocker.phimsexz.org:2087
-
cryptolocker.phimsexz.org:2096
-
cryptolocker.phimsexz.org:8443
-
OLWymF388vYZ
-
delay
0
-
install
true
-
install_file
mel3ut51.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x000300000001e697-8.dat family_asyncrat behavioral1/memory/1968-10-0x0000000004CF0000-0x0000000004D00000-memory.dmp 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 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe - Executes dropped EXE 2 IoCs
pid Process 1968 mel3ut51.exe 4996 mel3ut51.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 mel3ut51.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.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 mel3ut51.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1296 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 4548 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe Token: SeDebugPrivilege 1968 mel3ut51.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4240 wrote to memory of 5036 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 87 PID 4240 wrote to memory of 3112 4240 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe 89 PID 3112 wrote to memory of 1296 3112 cmd.exe 91 PID 5036 wrote to memory of 4548 5036 cmd.exe 92 PID 3112 wrote to memory of 4996 3112 cmd.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe"C:\Users\Admin\AppData\Local\Temp\d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mel3ut51" /tr '"C:\Users\Admin\AppData\Roaming\mel3ut51.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "mel3ut51" /tr '"C:\Users\Admin\AppData\Roaming\mel3ut51.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4548
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp59E3.tmp.bat""2⤵
- 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:1296
-
-
C:\Users\Admin\AppData\Roaming\mel3ut51.exe"C:\Users\Admin\AppData\Roaming\mel3ut51.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4996
-
-
-
C:\Users\Admin\AppData\Roaming\mel3ut51.exe"C:\Users\Admin\AppData\Roaming\mel3ut51.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1968
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp59E3.tmp.bat
- Size 152B
- SHA256 e2671c4c8eb9f8ed07863aa97be7cddea877c6b2382670a6f60a8d5816c0668e
- MD5 d3affcf6ae607faf360efe9080a83438
- SHA1 fba285cc4a4fc27ab3f29cc08f0d9f3d8c08f77d
- SHA512 d2e773092186496c7d97aed17b9134b5ee1569e8a6e7ff0e3ae480b3a99fe7bbd80384ab80b87beb221f836dd77a6a1ce864f71a81244702496c5997202456b9
- TLSH T121C08C82A9C9AA5F2905941302BA999D91A66CAA3E40AB008704404A2280459F0AA245
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\mel3ut51.exe
- Size 45KB
- SHA256 d74f4ae7b99f2186eac213777ff7d33d05d28e4349194ea87e714c8eb9d5180d
- MD5 44b85fb9102aa3d4d3bba6153cc7873b
- SHA1 2867d6dcbd1a68884b4821aaabefa6d0bac80676
- SHA512 5a9a732f9fd631b451e5246420652d8a3d83ec02460d183189adc654ae10a4c32350a8a65372f3cdb3b8040c1dad23b15f7c2bb423d77e2e5c12f2bfbcc625db
- SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1BuwZQaKkPIozzjbhqgX3i8pgcTY3vLuYeCEOBDZcx:RuxkJTgip2IIu3bnXSAgcTIiYeCtdcx
- TLSH T134231B003BE8823BF2BE4FB89CF26145467AF5637603D54D6CC452DB5623BC68A426F9
- MD5 SHA1 SHA512 SSDEEP TLSH