bc8c447cfe3c35e4e12ce2cb9ec3d8125df1d1ead41ee74b1c00e37838a83a58

Analysis

max time kernel
59s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-10-2022 15:54

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General

Target

Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Size

108KB
MD5

f745e3ebd4bd2b8f014a92428ea9efb1
SHA1

ae17fefd3c22ac6314123b0735e8f71fe314d98d
SHA256

bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9
SHA512

6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab
SSDEEP

1536:/Vmfaqf7zjrhAc4nu/greNUMoewRBfefI3N3kOF7yhduMacoz5lD:/gff7acdIRgwjeg1/XJzD

Score

9^/10

evasion persistence upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
608	feiilgyktq.pre
1704	feiilgyktq.pre

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1900-56-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1900-58-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1900-59-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1900-62-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1900-63-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1900-64-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1704-88-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
940	svchost.exe

Loads dropped DLL 4 IoCs

pid	Process
940	svchost.exe
940	svchost.exe
608	feiilgyktq.pre
608	feiilgyktq.pre

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwjspkhw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Kxaeawqcx\\nfnplpkhw.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 608 set thread context of 1704	608	feiilgyktq.pre	31

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe

Modifies registry class 32 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\ = "Matrix Document"	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\open\command	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\open	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ = "Matrix.Document"	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document	feiilgyktq.pre
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FEIILG~1.PRE \"%1\""	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\print\command	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.max	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ShellNew	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\print	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\printto	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.max	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\STEFAN~1.EXE /p \"%1\""	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\DefaultIcon	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\open\command	feiilgyktq.pre
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FEIILG~1.PRE /p \"%1\""	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\printto\command	feiilgyktq.pre
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ShellNew\NullFile	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ShellNew	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FEIILG~1.PRE /pt \"%1\" \"%2\" \"%3\" \"%4\""	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\DefaultIcon	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\STEFAN~1.EXE \"%1\""	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ShellNew\NullFile	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\STEFAN~1.EXE,0"	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\ = "Matrix Document"	feiilgyktq.pre
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\print\command	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\printto\command	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\STEFAN~1.EXE /pt \"%1\" \"%2\" \"%3\" \"%4\""	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Matrix.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FEIILG~1.PRE,0"	feiilgyktq.pre
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.max\ = "Matrix.Document"	feiilgyktq.pre

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
608	feiilgyktq.pre
520	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
608	feiilgyktq.pre
608	feiilgyktq.pre

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1960 wrote to memory of 1900	1960	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	28
PID 1900 wrote to memory of 940	1900	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	29
PID 1900 wrote to memory of 940	1900	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	29
PID 1900 wrote to memory of 940	1900	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	29
PID 1900 wrote to memory of 940	1900	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	29
PID 1900 wrote to memory of 940	1900	Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe	29
PID 940 wrote to memory of 608	940	svchost.exe	30
PID 940 wrote to memory of 608	940	svchost.exe	30
PID 940 wrote to memory of 608	940	svchost.exe	30
PID 940 wrote to memory of 608	940	svchost.exe	30
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 608 wrote to memory of 1704	608	feiilgyktq.pre	31
PID 1704 wrote to memory of 520	1704	feiilgyktq.pre	32
PID 1704 wrote to memory of 520	1704	feiilgyktq.pre	32
PID 1704 wrote to memory of 520	1704	feiilgyktq.pre	32
PID 1704 wrote to memory of 520	1704	feiilgyktq.pre	32
PID 1704 wrote to memory of 520	1704	feiilgyktq.pre	32

C:\Users\Admin\AppData\Local\Temp\Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
"C:\Users\Admin\AppData\Local\Temp\Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe
  "C:\Users\Admin\AppData\Local\Temp\Stefan Boas 02.05.2014 Center GmbH Video-on-Demand.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Deletes itself
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre
      C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:608
    - - C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre
        
        C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1704
      - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        6⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Adds Run key to start application
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FEIILG~1.PRE

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
C:\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
\Users\Admin\AppData\Local\Temp\feiilgyktq.pre

Filesize
108KB

MD5
f745e3ebd4bd2b8f014a92428ea9efb1

SHA1
ae17fefd3c22ac6314123b0735e8f71fe314d98d

SHA256
bcac6d2aa8036be33cef0927b193a4aa0c2928790a5f78df9dd6319f02f748f9

SHA512
6252a6185e0dbbe7a334ad5f4ae889ebb19e7dcefe489549765436cad8121ef0056cfa27a6c336687d79632f38eaa97f86f57c466059fba002984b8ab2cc2aab

Download Submit
memory/520-93-0x000000007EFA0000-0x000000007EFB0000-memory.dmp

Filesize
64KB

Download
memory/520-92-0x000000007EFA0000-0x000000007EFB0000-memory.dmp

Filesize
64KB

Download
memory/520-91-0x0000000000000000-mapping.dmp

Download
memory/608-72-0x0000000000000000-mapping.dmp

Download
memory/940-69-0x000000007EFA0000-0x000000007EFB0000-memory.dmp

Filesize
64KB

Download
memory/940-68-0x000000007EFA0000-0x000000007EFB0000-memory.dmp

Filesize
64KB

Download
memory/940-67-0x0000000000000000-mapping.dmp

Download
memory/940-65-0x000000007EFA0000-0x000000007EFB0000-memory.dmp

Filesize
64KB

Download
memory/1704-83-0x0000000000411760-mapping.dmp

Download
memory/1704-88-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-62-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-63-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-59-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-60-0x0000000000411760-mapping.dmp

Download
memory/1900-64-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-58-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-56-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1900-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1960-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download