Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
11-06-2024 14:29
Static task
static1
Behavioral task
behavioral1
Sample
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe
Resource
win10v2004-20240508-en
General
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Target
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe
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Size
407KB
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MD5
147db7770a8a10681410d486af5d6281
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SHA1
e320833c225052530ec97c6a76e30a81e293ec5c
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SHA256
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436
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SHA512
d247b268f15eacaab44de82870825561e69a1db04d011b2970ec77e7d8c28951fd5d3cdb59b425ee7da07092721f582e94761c51e4efd4f03195f48ce240e274
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH41:gtRfJcNYFNm8UhlZGse1
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
Processes:
rundll32.exeflow pid process 3 2508 rundll32.exe 5 2508 rundll32.exe 8 2508 rundll32.exe 9 2508 rundll32.exe 10 2508 rundll32.exe 13 2508 rundll32.exe 14 2508 rundll32.exe 15 2508 rundll32.exe 17 2508 rundll32.exe 18 2508 rundll32.exe -
Deletes itself 1 IoCs
Processes:
ixwre.exepid process 2592 ixwre.exe -
Executes dropped EXE 1 IoCs
Processes:
ixwre.exepid process 2592 ixwre.exe -
Loads dropped DLL 6 IoCs
Processes:
cmd.exerundll32.exepid process 2556 cmd.exe 2556 cmd.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe -
Reads user/profile data of web browsers 2 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\hcpqiwd\\twkdh.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) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\r: 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 2508 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
ixwre.exedescription ioc process File opened for modification \??\c:\Program Files\hcpqiwd ixwre.exe File created \??\c:\Program Files\hcpqiwd\twkdh.dll ixwre.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 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe 2508 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 2508 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exeixwre.exepid process 3040 759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe 2592 ixwre.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.execmd.exeixwre.exedescription pid process target process PID 3040 wrote to memory of 2556 3040 759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe cmd.exe PID 3040 wrote to memory of 2556 3040 759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe cmd.exe PID 3040 wrote to memory of 2556 3040 759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe cmd.exe PID 3040 wrote to memory of 2556 3040 759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe cmd.exe PID 2556 wrote to memory of 3064 2556 cmd.exe PING.EXE PID 2556 wrote to memory of 3064 2556 cmd.exe PING.EXE PID 2556 wrote to memory of 3064 2556 cmd.exe PING.EXE PID 2556 wrote to memory of 3064 2556 cmd.exe PING.EXE PID 2556 wrote to memory of 2592 2556 cmd.exe ixwre.exe PID 2556 wrote to memory of 2592 2556 cmd.exe ixwre.exe PID 2556 wrote to memory of 2592 2556 cmd.exe ixwre.exe PID 2556 wrote to memory of 2592 2556 cmd.exe ixwre.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe PID 2592 wrote to memory of 2508 2592 ixwre.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ixwre.exe "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\ixwre.exeC:\Users\Admin\AppData\Local\Temp\\ixwre.exe "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\hcpqiwd\twkdh.dll",Verify C:\Users\Admin\AppData\Local\Temp\ixwre.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508
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
1Replay Monitor
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Downloads
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Filesize
228KB
MD50dc94ae74a502800b6a03dbc5df463b1
SHA10b3a516f2c1a2e3c5b9fad17167dba83036d035d
SHA25639a888993fe5f5ed40409579d7382afe83c47a32fb8999f5a1958ab3b661b342
SHA512bb389f5a6add277025fedcc57cf358803654abfcb3bba085e9e9741e31daabb4049b2445c506add843e5a2b113863c57d4303140949933f32518680b7bdcb875
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Filesize
407KB
MD58f54be2a9490ed69afc674be695a06fc
SHA14d73d50d097941f8fa8c17634c743fd7a8524e4a
SHA25630c08c090e8047650649b3f2025b4054fd7153e565b28dd8fcd77c580f73e286
SHA51283893c8eccf72bbb72dbd2cfb7ecdf9418aaff03821c0d7cc75bca5c4f4e50da6107e21a8f8e0934e222517502856596fcf8eefc3a4560075be17c7c0e9954a0