Analysis
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max time kernel
97s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2024, 01:32 UTC
Static task
static1
Behavioral task
behavioral1
Sample
b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe
Resource
win10v2004-20240802-en
General
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Target
b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe
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Size
1.7MB
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MD5
be852e807a629c65f1b41617c8348f2c
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SHA1
05d64861185f84e071d8c98eaf7ea86d22bd921d
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SHA256
b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89
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SHA512
116f8da7c3c1bd69c3ff600348c35f4ad181f1c47a093d7224118c26c8d9ac03cba220dddb9d3fb7fdbf7aab52ff78fd9f064956007d6480ddb4d6ea38e6cea8
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SSDEEP
49152:fU/FMktb3x+muH5i44fTco84Ws5zwgio:cdMEb3x+mulIoh4H1i
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5032 created 3480 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 55 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ftambasixc = "C:\\Users\\Admin\\AppData\\Roaming\\Ftambasixc.exe" b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5032 set thread context of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 4292 InstallUtil.exe 4292 InstallUtil.exe 4292 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe Token: SeDebugPrivilege 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe Token: SeDebugPrivilege 4292 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83 PID 5032 wrote to memory of 4292 5032 b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3480
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C:\Users\Admin\AppData\Local\Temp\b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe"C:\Users\Admin\AppData\Local\Temp\b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4292
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Network
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Request228.249.119.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request4.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request154.239.44.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request97.17.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request86.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request15.164.165.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request107.12.20.2.in-addr.arpaIN PTRResponse107.12.20.2.in-addr.arpaIN PTRa2-20-12-107deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request172.214.232.199.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request43.56.20.217.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request11.227.111.52.in-addr.arpaIN PTRResponse
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66 B 90 B 1 1
DNS Request
8.8.8.8.in-addr.arpa
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73 B 159 B 1 1
DNS Request
228.249.119.40.in-addr.arpa
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74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
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71 B 157 B 1 1
DNS Request
4.159.190.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
154.239.44.20.in-addr.arpa
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71 B 145 B 1 1
DNS Request
97.17.167.52.in-addr.arpa
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70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
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72 B 146 B 1 1
DNS Request
15.164.165.52.in-addr.arpa
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70 B 133 B 1 1
DNS Request
107.12.20.2.in-addr.arpa
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74 B 128 B 1 1
DNS Request
172.214.232.199.in-addr.arpa
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71 B 131 B 1 1
DNS Request
43.56.20.217.in-addr.arpa
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72 B 158 B 1 1
DNS Request
11.227.111.52.in-addr.arpa