Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07/05/2024, 07:21
Static task
static1
Behavioral task
behavioral1
Sample
2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe
Resource
win10v2004-20240426-en
General
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Target
2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe
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Size
405KB
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MD5
71f9fe350a148a7827d102f1c924bde0
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SHA1
2ef2a321bdcc7e08bf40ef49e0f3ec7e751c8507
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SHA256
2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c
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SHA512
e66fc90a432200f7afd4be9ba8da3e20389f7b7aae92b708ec11cb29ee939072b61828791ba2f444c01423ca7aa6a5c0e1c604c74bd590600788dbd7c162a792
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
flow pid Process 3 2572 rundll32.exe 5 2572 rundll32.exe 6 2572 rundll32.exe 7 2572 rundll32.exe 8 2572 rundll32.exe 9 2572 rundll32.exe 10 2572 rundll32.exe 11 2572 rundll32.exe 13 2572 rundll32.exe 14 2572 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2492 ehibjdgyq.exe -
Executes dropped EXE 1 IoCs
pid Process 2492 ehibjdgyq.exe -
Loads dropped DLL 6 IoCs
pid Process 2268 cmd.exe 2268 cmd.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\snawewuai\\nigok.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.
description ioc Process File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\y: 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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2572 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created \??\c:\Program Files\snawewuai\nigok.dll ehibjdgyq.exe File opened for modification \??\c:\Program Files\snawewuai ehibjdgyq.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
pid Process 2456 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe 2572 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2572 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1904 2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe 2492 ehibjdgyq.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1904 wrote to memory of 2268 1904 2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe 28 PID 1904 wrote to memory of 2268 1904 2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe 28 PID 1904 wrote to memory of 2268 1904 2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe 28 PID 1904 wrote to memory of 2268 1904 2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe 28 PID 2268 wrote to memory of 2456 2268 cmd.exe 30 PID 2268 wrote to memory of 2456 2268 cmd.exe 30 PID 2268 wrote to memory of 2456 2268 cmd.exe 30 PID 2268 wrote to memory of 2456 2268 cmd.exe 30 PID 2268 wrote to memory of 2492 2268 cmd.exe 31 PID 2268 wrote to memory of 2492 2268 cmd.exe 31 PID 2268 wrote to memory of 2492 2268 cmd.exe 31 PID 2268 wrote to memory of 2492 2268 cmd.exe 31 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32 PID 2492 wrote to memory of 2572 2492 ehibjdgyq.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe"C:\Users\Admin\AppData\Local\Temp\2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ehibjdgyq.exe "C:\Users\Admin\AppData\Local\Temp\2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2456
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C:\Users\Admin\AppData\Local\Temp\ehibjdgyq.exeC:\Users\Admin\AppData\Local\Temp\\ehibjdgyq.exe "C:\Users\Admin\AppData\Local\Temp\2b480e9f489aeec3df891a1d7f60768636b4556becd27ed02dfbfb2f769f914c.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2492 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\snawewuai\nigok.dll",Verify C:\Users\Admin\AppData\Local\Temp\ehibjdgyq.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:2572
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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
MD5d0c77923518986dfb80b667c7d09ee0f
SHA11d4f2e5fd15f90fb2b1da807844ff80b9319522c
SHA256da96f8f5948798a1732503a53f075eda6c7b28d63ecfcfdb5a07ad1e3106cf59
SHA512042ad19af2684d91586311d569b453e6bafe2020d78105d6ff77ff089593e6dbc6c4b719f467f8fce40d648a7f8a15b4bc7206513b107e2d9e94d65ef8659bcd
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Filesize
405KB
MD53a2e823f40ebb9e474c8b8bba4f5b025
SHA12a3acd20c779bb52688ababad24d6be747725c54
SHA2566f4dc99acb7fee7c7dc0ab1005af73b58a8313998e8481dfb7283e1cfd1cd520
SHA512f1cb144af4020836823c96a8340af444590cde7a3ad9955f14f429e64b35e3ade6d9c77a82ee8116c2a50a354b47e82336b514edfcdbdfb65a159514f07535b7