Analysis
- max time kernel
150s - 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
04/08/2026, 17:14
Behavioral task
behavioral1
Sample
02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe
Resource
win11ltsc2024-20260709-en
General
- Target 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe
- Size 45KB
- Sample260804-vr8jmaeb58
- SHA256 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1
- MD5 7336efd289235be539a3f2a901e543c0
- SHA1 f53272245926c7bd476bf74e9c6aac872a68c025
- SHA512 6aade553a9cf6561eafcec074632b78ff59c1443a6f35e27665a8d0b4b8a4b0e54e93ac3e3e9dace161d335d173a441bf64f58f8e452be09aebc0546440292d4
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q95dR3aI6OPIuzjbSgF3i1Njzyp2XTyaRDBDZsx:EulCJTHl42mjqb3u3bVFS1Nap2XWeFdu
- TLSH T1CF231A003BE8812BF2BF4F7898F26145867AF6673603D64E1C8451DB5613FC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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twosisterstubes.com:80
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twosisterstubes.com:22
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twosisterstubes.com:8080
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twosisterstubes.com:8880
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twosisterstubes.com:2052
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twosisterstubes.com:2082
-
twosisterstubes.com:2086
-
twosisterstubes.com:2095
-
twosisterstubes.com:443
-
twosisterstubes.com:2053
-
twosisterstubes.com:2083
-
twosisterstubes.com:2087
-
twosisterstubes.com:2096
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twosisterstubes.com:8443
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www.twosisterstubes.com:80
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www.twosisterstubes.com:22
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www.twosisterstubes.com:8080
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www.twosisterstubes.com:8880
-
www.twosisterstubes.com:2052
-
www.twosisterstubes.com:2082
-
www.twosisterstubes.com:2086
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www.twosisterstubes.com:2095
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www.twosisterstubes.com:443
-
www.twosisterstubes.com:2053
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www.twosisterstubes.com:2083
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www.twosisterstubes.com:2087
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www.twosisterstubes.com:2096
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www.twosisterstubes.com:8443
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hack.twosisterstubes.com:80
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hack.twosisterstubes.com:22
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hack.twosisterstubes.com:8080
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hack.twosisterstubes.com:8880
-
hack.twosisterstubes.com:2052
-
hack.twosisterstubes.com:2082
-
hack.twosisterstubes.com:2086
-
hack.twosisterstubes.com:2095
-
hack.twosisterstubes.com:443
-
hack.twosisterstubes.com:2053
-
hack.twosisterstubes.com:2083
-
hack.twosisterstubes.com:2087
-
hack.twosisterstubes.com:2096
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hack.twosisterstubes.com:8443
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blaster.twosisterstubes.com:80
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blaster.twosisterstubes.com:22
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blaster.twosisterstubes.com:8080
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blaster.twosisterstubes.com:8880
-
blaster.twosisterstubes.com:2052
-
blaster.twosisterstubes.com:2082
-
blaster.twosisterstubes.com:2086
-
blaster.twosisterstubes.com:2095
-
blaster.twosisterstubes.com:443
-
blaster.twosisterstubes.com:2053
-
blaster.twosisterstubes.com:2083
-
blaster.twosisterstubes.com:2087
-
blaster.twosisterstubes.com:2096
-
blaster.twosisterstubes.com:8443
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R2Y6KH4b1ujh
-
delay
0
-
install
true
-
install_file
cur2ai.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000900000002449a-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-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe - Executes dropped EXE 2 IoCs
pid Process 900 cur2ai.exe 4120 cur2ai.exe - Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 54 104.21.17.96:22 900 cur2ai.exe SSH destination 56 172.67.175.110:22 900 cur2ai.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 3568 cmd.exe 860 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cur2ai.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cur2ai.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1640 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 4460 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe Token: SeDebugPrivilege 900 cur2ai.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2644 wrote to memory of 3568 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 85 PID 2644 wrote to memory of 860 2644 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe 87 PID 860 wrote to memory of 1640 860 cmd.exe 89 PID 3568 wrote to memory of 4460 3568 cmd.exe 90 PID 860 wrote to memory of 4120 860 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe"C:\Users\Admin\AppData\Local\Temp\02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cur2ai" /tr '"C:\Users\Admin\AppData\Roaming\cur2ai.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "cur2ai" /tr '"C:\Users\Admin\AppData\Roaming\cur2ai.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4460
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp46F7.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1640
-
-
C:\Users\Admin\AppData\Roaming\cur2ai.exe"C:\Users\Admin\AppData\Roaming\cur2ai.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4120
-
-
-
C:\Users\Admin\AppData\Roaming\cur2ai.exe"C:\Users\Admin\AppData\Roaming\cur2ai.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:900
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp46F7.tmp.bat
- Size 150B
- SHA256 be05548770c16503690cb723dfb06e82e11da4853e00a8d0ff8d285c17be0bdf
- MD5 c978d4fd71fcadf557e4b3e6878899da
- SHA1 057a1da440af5b755df6faa720446f84c559f7c1
- SHA512 04e9acaaf91bbde926d09bb6aa85ed5b774030dd8bbf99b0493535739d45c22b0a016408c825defe04af8b13a3aa15a29e90473f2e013e93ac62b92c03e36a30
- TLSH T1BAC02B4391C6EA0E2806346323FAD48C97726C1D3F40FB00C708404D52C0848F0D93C1
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\cur2ai.exe
- Size 45KB
- SHA256 02912c15965d64caf18ae99664e4066098efb6dbd13ea25c110f8376f59d0ad1
- MD5 7336efd289235be539a3f2a901e543c0
- SHA1 f53272245926c7bd476bf74e9c6aac872a68c025
- SHA512 6aade553a9cf6561eafcec074632b78ff59c1443a6f35e27665a8d0b4b8a4b0e54e93ac3e3e9dace161d335d173a441bf64f58f8e452be09aebc0546440292d4
- SSDEEP 768:EulCJTHESwgWUK3aGmo2q95dR3aI6OPIuzjbSgF3i1Njzyp2XTyaRDBDZsx:EulCJTHl42mjqb3u3bVFS1Nap2XWeFdu
- TLSH T1CF231A003BE8812BF2BF4F7898F26145867AF6673603D64E1C8451DB5613FC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH