Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
Resource
win10v2004-20241007-en
General
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Target
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
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Size
409KB
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MD5
c0970389d32b8d142f42c2dab1a70e4b
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SHA1
2f68ffb7b7e68f93b4a8d27e7bb32d6a708287c4
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SHA256
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b
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SHA512
754afdfd5ff0dd40442d08989721f85a027214f560b5efb41e7f9adbcc8e32fa676e994d06966f5f2e908b940bbb3f8e50afb9faf7ee58ab4ad4c6028a60fe39
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4m:gtRfJcNYFNm8UhlZGsem
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
Processes:
rundll32.exeflow pid process 3 2948 rundll32.exe 5 2948 rundll32.exe 6 2948 rundll32.exe 7 2948 rundll32.exe 8 2948 rundll32.exe 9 2948 rundll32.exe 10 2948 rundll32.exe 11 2948 rundll32.exe 13 2948 rundll32.exe 14 2948 rundll32.exe -
Deletes itself 1 IoCs
Processes:
oytqm.exepid process 2772 oytqm.exe -
Executes dropped EXE 1 IoCs
Processes:
oytqm.exepid process 2772 oytqm.exe -
Loads dropped DLL 6 IoCs
Processes:
cmd.exerundll32.exepid process 2084 cmd.exe 2084 cmd.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\vfpckin\\iakam.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
rundll32.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 2948 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
oytqm.exedescription ioc process File opened for modification \??\c:\Program Files\vfpckin oytqm.exe File created \??\c:\Program Files\vfpckin\iakam.dll oytqm.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
PING.EXEoytqm.exerundll32.exeda5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oytqm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 2084 cmd.exe 2272 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe 2948 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 2948 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exeoytqm.exepid process 2932 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe 2772 oytqm.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.execmd.exeoytqm.exedescription pid process target process PID 2932 wrote to memory of 2084 2932 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 2932 wrote to memory of 2084 2932 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 2932 wrote to memory of 2084 2932 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 2932 wrote to memory of 2084 2932 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 2084 wrote to memory of 2272 2084 cmd.exe PING.EXE PID 2084 wrote to memory of 2272 2084 cmd.exe PING.EXE PID 2084 wrote to memory of 2272 2084 cmd.exe PING.EXE PID 2084 wrote to memory of 2272 2084 cmd.exe PING.EXE PID 2084 wrote to memory of 2772 2084 cmd.exe oytqm.exe PID 2084 wrote to memory of 2772 2084 cmd.exe oytqm.exe PID 2084 wrote to memory of 2772 2084 cmd.exe oytqm.exe PID 2084 wrote to memory of 2772 2084 cmd.exe oytqm.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe PID 2772 wrote to memory of 2948 2772 oytqm.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oytqm.exe "C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2272 -
C:\Users\Admin\AppData\Local\Temp\oytqm.exeC:\Users\Admin\AppData\Local\Temp\\oytqm.exe "C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\vfpckin\iakam.dll",Verify C:\Users\Admin\AppData\Local\Temp\oytqm.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
228KB
MD58ae48d0d23d08fb6d32ef1e90ce0a305
SHA14648ac7a1e85b3ea3631ba616ba0c87520606fe2
SHA256d52d4664741cedf26179ccf049c7af66710e6205e3b23515cdb51979de6de9c6
SHA512cb383972f1b2bee493cce78fb1337cc1a6de028589a37d9936488d2b2d047fe8ed8e1a6a4b213a30a9d28b4a5d226d0f49ac6b067a9fee2df9c97f03f674e978
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Filesize
409KB
MD5e694db7afcf356442919b8a7b01ae19e
SHA16215bf414d2212f1bdf566328a62a43f908d2f4a
SHA25677bfeac099831a08b753cc4cabb612829424950fc2f8188bc3c0623bb1376527
SHA512d402325ba5b608417c8f0e1c84abb8d43dbf489b9c0ae2bafffaf1df05ac4ffac48ba6b82ae48915dcc42bff5310d560c4bddce91773033e6abde04bc2d066e5