Analysis
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max time kernel
44s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
03-09-2024 07:21
Static task
static1
Behavioral task
behavioral1
Sample
vbojcjwr.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
vbojcjwr.exe
Resource
win10v2004-20240802-en
General
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Target
vbojcjwr.exe
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Size
14.6MB
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MD5
0b6833eac88372fe36ddb7217eca8b41
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SHA1
240c3b81c19be5b09d140bbd9a35060f4a7a7573
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SHA256
4a5face1152fe18fd167e2f785857e0e4266997ff8d74285fa920bcb83523ca8
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SHA512
2d60e25ba50d496b3f359deb713e2c206edbffb6bd2233729ad0bba87cb247ba5bb6a3c0f6d3a6f5bcde3b58e3c58259490c62bff14769efff6f77280069519b
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SSDEEP
6144:qw0VDy74AW/47pwSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSn:qw0VD7AW/49
Malware Config
Extracted
tofsee
svartalfheim.top
jotunheim.name
Signatures
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2720 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\iimzeqaf\ImagePath = "C:\\Windows\\SysWOW64\\iimzeqaf\\rkhpgztq.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2612 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
rkhpgztq.exepid process 3064 rkhpgztq.exe -
Drops file in System32 directory 1 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile:.repos svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rkhpgztq.exedescription pid process target process PID 3064 set thread context of 2612 3064 rkhpgztq.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2812 sc.exe 2680 sc.exe 2944 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
Processes:
netsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
vbojcjwr.execmd.exesc.exesc.exerkhpgztq.execmd.exesc.exenetsh.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbojcjwr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rkhpgztq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Modifies data under HKEY_USERS 2 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Control Panel\Buses svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\Control Panel\Buses\Config0 = 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 svchost.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
vbojcjwr.exerkhpgztq.exedescription pid process target process PID 2096 wrote to memory of 2652 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2652 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2652 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2652 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2956 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2956 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2956 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2956 2096 vbojcjwr.exe cmd.exe PID 2096 wrote to memory of 2680 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2680 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2680 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2680 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2944 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2944 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2944 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2944 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2812 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2812 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2812 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2812 2096 vbojcjwr.exe sc.exe PID 2096 wrote to memory of 2720 2096 vbojcjwr.exe netsh.exe PID 2096 wrote to memory of 2720 2096 vbojcjwr.exe netsh.exe PID 2096 wrote to memory of 2720 2096 vbojcjwr.exe netsh.exe PID 2096 wrote to memory of 2720 2096 vbojcjwr.exe netsh.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe PID 3064 wrote to memory of 2612 3064 rkhpgztq.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\vbojcjwr.exe"C:\Users\Admin\AppData\Local\Temp\vbojcjwr.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iimzeqaf\2⤵
- System Location Discovery: System Language Discovery
PID:2652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rkhpgztq.exe" C:\Windows\SysWOW64\iimzeqaf\2⤵
- System Location Discovery: System Language Discovery
PID:2956 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create iimzeqaf binPath= "C:\Windows\SysWOW64\iimzeqaf\rkhpgztq.exe /d\"C:\Users\Admin\AppData\Local\Temp\vbojcjwr.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2680 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description iimzeqaf "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2944 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start iimzeqaf2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2812 -
C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2720
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C:\Windows\SysWOW64\iimzeqaf\rkhpgztq.exeC:\Windows\SysWOW64\iimzeqaf\rkhpgztq.exe /d"C:\Users\Admin\AppData\Local\Temp\vbojcjwr.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2612
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
12.3MB
MD5fcb840ab23e8d29477f54e748bc76e52
SHA14b58d25d852392ff4405a854e7a1454a2b1e665a
SHA25697e7e8c6d89c67997530f7af774b53d385b7e2dd4542e58d0840b92f75ef32a4
SHA512a3e8c3bce75474e605c2112e6a5e5be7d7fd4e1eee825d893f1a2bbceefe6b55e6f2bbb0fcdd4f8c8e3439f9e0d10e9b0382c3fc042130d34ff37899170b6c4c