Analysis
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max time kernel
138s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2024 05:23
Static task
static1
Behavioral task
behavioral1
Sample
8b8118ac760f94dbffd9dabc1f95e016.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8b8118ac760f94dbffd9dabc1f95e016.exe
Resource
win10v2004-20231215-en
General
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Target
8b8118ac760f94dbffd9dabc1f95e016.exe
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Size
675KB
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MD5
8b8118ac760f94dbffd9dabc1f95e016
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SHA1
2271c00c46709a3b6ae3c2c158ea81baf1a568ff
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SHA256
a05dc0396c88fd09e2efd9e6ed22c5f2359b4ab8b79dd41a15325929a3dc132c
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SHA512
81367157fac0be832dedb043b88ce629dd2d81ee669df3838c53fdc30fd1c873fa43172657f32dfdce92855ea04fd35f92111f3f7d86ccc0e98d350cf9f2fa1f
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SSDEEP
12288:KOwQHo7YNQ8LPxez8dFlZqB5UG8HUxjRydmKcF+YM2WJePxMdy/:KOwDwQfz+8MHUxym1+RAPxMs/
Malware Config
Extracted
xtremerat
nana10.no-ip.biz
Signatures
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Detect XtremeRAT payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/1020-4-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/1020-5-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/1020-6-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/1020-8-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/4492-9-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/1020-10-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat behavioral2/memory/4492-11-0x0000000010000000-0x0000000010046000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
8b8118ac760f94dbffd9dabc1f95e016.exedescription pid Process procid_target PID 3336 set thread context of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 3268 4492 WerFault.exe 85 4376 4492 WerFault.exe 85 -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
8b8118ac760f94dbffd9dabc1f95e016.exepid Process 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 3336 8b8118ac760f94dbffd9dabc1f95e016.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
8b8118ac760f94dbffd9dabc1f95e016.exe8b8118ac760f94dbffd9dabc1f95e016.exedescription pid Process procid_target PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 3336 wrote to memory of 1020 3336 8b8118ac760f94dbffd9dabc1f95e016.exe 84 PID 1020 wrote to memory of 4492 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 85 PID 1020 wrote to memory of 4492 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 85 PID 1020 wrote to memory of 4492 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 85 PID 1020 wrote to memory of 4492 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 85 PID 1020 wrote to memory of 4088 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 86 PID 1020 wrote to memory of 4088 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 86 PID 1020 wrote to memory of 4088 1020 8b8118ac760f94dbffd9dabc1f95e016.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe"C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3336 -
C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exeC:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:4492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 4844⤵
- Program crash
PID:3268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 4924⤵
- Program crash
PID:4376
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:4088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4492 -ip 44921⤵PID:1480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4492 -ip 44921⤵PID:4476