Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:40
Behavioral task
behavioral1
Sample
BoostBot.exe.bin.exe
Resource
win7-20240419-en
General
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Target
BoostBot.exe.bin.exe
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Size
409KB
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MD5
404ab800bbe49c36bd64d0d73600b59a
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SHA1
4c8dff2702fada108f7477ad357067310b584366
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SHA256
5465f02f24ee5c1fc9c9c27c86c209eeddc2ed607143e1b76ca9c9d9b7b84154
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SHA512
d0ecd88adfd84d9d8e845281e0437368aadf3d1d6fb704d7c7630d1360697471c2a49584f968eeebd5b435f11af9ce3d06327f1835fa5d07a140f22c0f95fc11
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SSDEEP
12288:dpyJcC+xB0XbJQtlQDFuYAbtP6j8fXx7EBI:zwd+QJQbQYbl6Ivn
Malware Config
Extracted
quasar
3.1.5
RPad
even-lemon.gl.at.ply.gg:33587
$Sxr-okPqrmZ8kNVUcS4Rp0
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encryption_key
XmcBnPuLlN1e8SHIRR1z
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install_name
$sxr-powershell.exe
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log_directory
$SXR-LOGS
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reconnect_delay
3000
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startup_key
$sxr-powershell
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subdirectory
$sxr-seroxen2
Signatures
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Quasar payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/548-1-0x0000000000DB0000-0x0000000000E1C000-memory.dmp family_quasar C:\Users\Admin\AppData\Roaming\$sxr-seroxen2\$sxr-powershell.exe family_quasar -
Executes dropped EXE 1 IoCs
Processes:
$sxr-powershell.exepid process 2520 $sxr-powershell.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 ip-api.com -
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeSCHTASKS.exeschtasks.exepid process 2304 schtasks.exe 816 SCHTASKS.exe 3904 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
BoostBot.exe.bin.exe$sxr-powershell.exedescription pid process Token: SeDebugPrivilege 548 BoostBot.exe.bin.exe Token: SeDebugPrivilege 2520 $sxr-powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
$sxr-powershell.exepid process 2520 $sxr-powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
BoostBot.exe.bin.exe$sxr-powershell.exedescription pid process target process PID 548 wrote to memory of 2304 548 BoostBot.exe.bin.exe schtasks.exe PID 548 wrote to memory of 2304 548 BoostBot.exe.bin.exe schtasks.exe PID 548 wrote to memory of 2304 548 BoostBot.exe.bin.exe schtasks.exe PID 548 wrote to memory of 2520 548 BoostBot.exe.bin.exe $sxr-powershell.exe PID 548 wrote to memory of 2520 548 BoostBot.exe.bin.exe $sxr-powershell.exe PID 548 wrote to memory of 2520 548 BoostBot.exe.bin.exe $sxr-powershell.exe PID 548 wrote to memory of 816 548 BoostBot.exe.bin.exe SCHTASKS.exe PID 548 wrote to memory of 816 548 BoostBot.exe.bin.exe SCHTASKS.exe PID 548 wrote to memory of 816 548 BoostBot.exe.bin.exe SCHTASKS.exe PID 2520 wrote to memory of 3904 2520 $sxr-powershell.exe schtasks.exe PID 2520 wrote to memory of 3904 2520 $sxr-powershell.exe schtasks.exe PID 2520 wrote to memory of 3904 2520 $sxr-powershell.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BoostBot.exe.bin.exe"C:\Users\Admin\AppData\Local\Temp\BoostBot.exe.bin.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "$sxr-powershell" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\BoostBot.exe.bin.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\$sxr-seroxen2\$sxr-powershell.exe"C:\Users\Admin\AppData\Roaming\$sxr-seroxen2\$sxr-powershell.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "$sxr-powershell" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$sxr-seroxen2\$sxr-powershell.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77BoostBot.exe.bin.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\BoostBot.exe.bin.exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\$sxr-seroxen2\$sxr-powershell.exeFilesize
409KB
MD5404ab800bbe49c36bd64d0d73600b59a
SHA14c8dff2702fada108f7477ad357067310b584366
SHA2565465f02f24ee5c1fc9c9c27c86c209eeddc2ed607143e1b76ca9c9d9b7b84154
SHA512d0ecd88adfd84d9d8e845281e0437368aadf3d1d6fb704d7c7630d1360697471c2a49584f968eeebd5b435f11af9ce3d06327f1835fa5d07a140f22c0f95fc11
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memory/548-6-0x00000000063B0000-0x00000000063C2000-memory.dmpFilesize
72KB
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memory/548-2-0x0000000005CE0000-0x0000000006284000-memory.dmpFilesize
5.6MB
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memory/548-3-0x0000000005730000-0x00000000057C2000-memory.dmpFilesize
584KB
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memory/548-4-0x00000000749F0000-0x00000000751A0000-memory.dmpFilesize
7.7MB
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memory/548-5-0x00000000056A0000-0x0000000005706000-memory.dmpFilesize
408KB
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memory/548-0-0x00000000749FE000-0x00000000749FF000-memory.dmpFilesize
4KB
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memory/548-7-0x00000000068F0000-0x000000000692C000-memory.dmpFilesize
240KB
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memory/548-1-0x0000000000DB0000-0x0000000000E1C000-memory.dmpFilesize
432KB
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memory/548-16-0x00000000749F0000-0x00000000751A0000-memory.dmpFilesize
7.7MB
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memory/2520-13-0x00000000749F0000-0x00000000751A0000-memory.dmpFilesize
7.7MB
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memory/2520-14-0x00000000749F0000-0x00000000751A0000-memory.dmpFilesize
7.7MB
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memory/2520-18-0x0000000006560000-0x000000000656A000-memory.dmpFilesize
40KB
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memory/2520-19-0x00000000749F0000-0x00000000751A0000-memory.dmpFilesize
7.7MB