Analysis
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max time kernel
140s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 01:59
Static task
static1
Behavioral task
behavioral1
Sample
4bd87d24066d91830ef74d3aa71a2630_NEAS.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4bd87d24066d91830ef74d3aa71a2630_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
4bd87d24066d91830ef74d3aa71a2630_NEAS.exe
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Size
211KB
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MD5
4bd87d24066d91830ef74d3aa71a2630
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SHA1
8a713e1ee7485f7911fcb71dbbfc078d3419799b
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SHA256
5dc975b944afea6185e108a1e3e1f8629c8a70d3871b44647e0457f13e962380
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SHA512
13d2909e65673b4c782e84af132d7dc83227e965b934358ca16d344b68849f8a492ee36a6ab248f09246b03afbdbf2e7572c342b40d41a520300ea2db71ec8cb
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SSDEEP
6144:uVtV0QPQCnSQsTEWYChnUnPJuHC3vcWY:ubVQk1wnGACvc
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1708 tpbpv.exe -
Executes dropped EXE 2 IoCs
pid Process 1708 tpbpv.exe 2628 jne.exe -
Loads dropped DLL 1 IoCs
pid Process 2628 jne.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-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\csrwo\\jne.exe \"c:\\Program Files\\csrwo\\jneuq.dll\",Group" jne.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) \??\v: jne.exe File opened (read-only) \??\q: jne.exe File opened (read-only) \??\g: jne.exe File opened (read-only) \??\h: jne.exe File opened (read-only) \??\n: jne.exe File opened (read-only) \??\p: jne.exe File opened (read-only) \??\r: jne.exe File opened (read-only) \??\t: jne.exe File opened (read-only) \??\w: jne.exe File opened (read-only) \??\b: jne.exe File opened (read-only) \??\i: jne.exe File opened (read-only) \??\j: jne.exe File opened (read-only) \??\k: jne.exe File opened (read-only) \??\l: jne.exe File opened (read-only) \??\m: jne.exe File opened (read-only) \??\x: jne.exe File opened (read-only) \??\y: jne.exe File opened (read-only) \??\a: jne.exe File opened (read-only) \??\z: jne.exe File opened (read-only) \??\o: jne.exe File opened (read-only) \??\s: jne.exe File opened (read-only) \??\u: jne.exe File opened (read-only) \??\e: jne.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 jne.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created \??\c:\Program Files\csrwo\jneuq.dll tpbpv.exe File created \??\c:\Program Files\csrwo\jne.exe tpbpv.exe File opened for modification \??\c:\Program Files\csrwo\jne.exe tpbpv.exe File opened for modification \??\c:\Program Files\csrwo tpbpv.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString jne.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 jne.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3424 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2628 jne.exe 2628 jne.exe 2628 jne.exe 2628 jne.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2628 jne.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3368 4bd87d24066d91830ef74d3aa71a2630_NEAS.exe 1708 tpbpv.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3368 wrote to memory of 2972 3368 4bd87d24066d91830ef74d3aa71a2630_NEAS.exe 84 PID 3368 wrote to memory of 2972 3368 4bd87d24066d91830ef74d3aa71a2630_NEAS.exe 84 PID 3368 wrote to memory of 2972 3368 4bd87d24066d91830ef74d3aa71a2630_NEAS.exe 84 PID 2972 wrote to memory of 3424 2972 cmd.exe 87 PID 2972 wrote to memory of 3424 2972 cmd.exe 87 PID 2972 wrote to memory of 3424 2972 cmd.exe 87 PID 2972 wrote to memory of 1708 2972 cmd.exe 89 PID 2972 wrote to memory of 1708 2972 cmd.exe 89 PID 2972 wrote to memory of 1708 2972 cmd.exe 89 PID 1708 wrote to memory of 2628 1708 tpbpv.exe 91 PID 1708 wrote to memory of 2628 1708 tpbpv.exe 91 PID 1708 wrote to memory of 2628 1708 tpbpv.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\4bd87d24066d91830ef74d3aa71a2630_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\4bd87d24066d91830ef74d3aa71a2630_NEAS.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tpbpv.exe "C:\Users\Admin\AppData\Local\Temp\4bd87d24066d91830ef74d3aa71a2630_NEAS.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:3424
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C:\Users\Admin\AppData\Local\Temp\tpbpv.exeC:\Users\Admin\AppData\Local\Temp\\tpbpv.exe "C:\Users\Admin\AppData\Local\Temp\4bd87d24066d91830ef74d3aa71a2630_NEAS.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708 -
\??\c:\Program Files\csrwo\jne.exe"c:\Program Files\csrwo\jne.exe" "c:\Program Files\csrwo\jneuq.dll",Group C:\Users\Admin\AppData\Local\Temp\tpbpv.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
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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
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
212KB
MD522c0f7feaee83421119abf987cc9f3b3
SHA135b3a4d9d687c60a7ced6e888f84f377730e2123
SHA256995cdefce1e9c15563136a912676861157873461f3c1336fc4a6f9c9add31e94
SHA512c7ae94090b16798389149569a4668c24e3e04ad0bf425e3e0272250ccd5062bbe84ce5cb633d77ba36cf72343a8bc706c44534e3c64fc212f36cf641e5dec8ec
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Filesize
148KB
MD5e65470d3de5a50c32675948b724fc96f
SHA17b2dcdbebcebadf9b43c68ca67bd53a59bc054c7
SHA256548f6b741b30679985bfe52cc4ab756ea311c1f9adde42d44f9eec27c0094caa
SHA51279d4331db3989420b990acaf06140a95a06c91e4afa82c8bb2db1b766bc56bd2f8515888780b580b252a0774c8dc15f5b942438218a10da7f4ecf74dfffc02cb