Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18-02-2025 08:56
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win7-20241010-en
General
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Target
Bootstrapper.exe
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Size
339KB
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MD5
fa69bf7d10c3b170e62a858ed37dae86
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SHA1
8dd6f73f10ea074e7c0885efbc0656adbaf22164
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SHA256
97804a112500c22565e2c53d0f57db2a39210c08d2cfaab294294ebf268cc374
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SHA512
5f5c8324d9c2e937fd7ed7f9a11706bc23f0f62362d47c97b8836a1f71d4ac0f938153a271f2e077330dccea1206582563291de748d61d1a806d959129468275
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SSDEEP
6144:PgKasiALqxCcuUdsuAWoXhslQonB6x90cy83A/pHPNMibcWhRNTkM5Sp:WJCcfTAxsl9+91A/1yEhRRkp
Malware Config
Signatures
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3052 set thread context of 2804 3052 Bootstrapper.exe 30 -
Program crash 1 IoCs
pid pid_target Process procid_target 2740 3052 WerFault.exe 29 -
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 Bootstrapper.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bootstrapper.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2804 Bootstrapper.exe 2804 Bootstrapper.exe 2804 Bootstrapper.exe 2804 Bootstrapper.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2804 3052 Bootstrapper.exe 30 PID 3052 wrote to memory of 2740 3052 Bootstrapper.exe 31 PID 3052 wrote to memory of 2740 3052 Bootstrapper.exe 31 PID 3052 wrote to memory of 2740 3052 Bootstrapper.exe 31 PID 3052 wrote to memory of 2740 3052 Bootstrapper.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 5602⤵
- Program crash
PID:2740
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