Analysis
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max time kernel
142s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 01:36
Static task
static1
Behavioral task
behavioral1
Sample
c034ae9562897648c7969f1ed989ce90_NEIKI.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c034ae9562897648c7969f1ed989ce90_NEIKI.exe
Resource
win10v2004-20240508-en
General
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Target
c034ae9562897648c7969f1ed989ce90_NEIKI.exe
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Size
107KB
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MD5
c034ae9562897648c7969f1ed989ce90
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SHA1
3b4c58a8898989187f49ebeaba0fe50bed6846b7
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SHA256
b724c2473b4b6a0a7883dce478fd035009e534e25ad9190b609c06e4ab1053b1
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SHA512
bc0d6f49619a430106da11ffad9637f190d678d6d602b35d0b561558f14734d1386641012dbf489eabae481eb04c4664feea129887f41df14af3bb1c3df3dde9
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SSDEEP
1536:TRiAXaKD5grAhdVA2VukXKzMf3liaL+SWzR+fy1ZZosMiZ7RtEs:liAXaKDLVaroj6SWzosZGyRtEs
Malware Config
Signatures
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Blocklisted process makes network request 8 IoCs
flow pid Process 7 3404 rundll32.exe 8 3404 rundll32.exe 9 3404 rundll32.exe 10 3404 rundll32.exe 12 3404 rundll32.exe 13 3404 rundll32.exe 18 3404 rundll32.exe 22 3404 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2520 ppkcgvd.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 ppkcgvd.exe -
Loads dropped DLL 1 IoCs
pid Process 3404 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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\modhn\\jesqfivz.dll\",GetWindowClass" 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) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\u: 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) \??\j: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\s: 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 -
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 2248 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3404 rundll32.exe 3404 rundll32.exe 3404 rundll32.exe 3404 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3404 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2200 c034ae9562897648c7969f1ed989ce90_NEIKI.exe 2520 ppkcgvd.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2200 wrote to memory of 4848 2200 c034ae9562897648c7969f1ed989ce90_NEIKI.exe 80 PID 2200 wrote to memory of 4848 2200 c034ae9562897648c7969f1ed989ce90_NEIKI.exe 80 PID 2200 wrote to memory of 4848 2200 c034ae9562897648c7969f1ed989ce90_NEIKI.exe 80 PID 4848 wrote to memory of 2248 4848 cmd.exe 83 PID 4848 wrote to memory of 2248 4848 cmd.exe 83 PID 4848 wrote to memory of 2248 4848 cmd.exe 83 PID 4848 wrote to memory of 2520 4848 cmd.exe 85 PID 4848 wrote to memory of 2520 4848 cmd.exe 85 PID 4848 wrote to memory of 2520 4848 cmd.exe 85 PID 2520 wrote to memory of 3404 2520 ppkcgvd.exe 86 PID 2520 wrote to memory of 3404 2520 ppkcgvd.exe 86 PID 2520 wrote to memory of 3404 2520 ppkcgvd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\ppkcgvd.exe "C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2248
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\??\c:\ppkcgvd.exec:\ppkcgvd.exe "C:\Users\Admin\AppData\Local\Temp\c034ae9562897648c7969f1ed989ce90_NEIKI.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\modhn\jesqfivz.dll",GetWindowClass c:\ppkcgvd.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)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3404
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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
107KB
MD5a3af9bb40a0736cccd5657bc6c7125ea
SHA12ca7b0af4d3d3b28fe2eb9c775c8bfe95a05df32
SHA256fce3ffe69834b0363e62aa089d8e15ea37c9d131836bb0ad40b15ab9505de653
SHA5121e84fc80df6357aa1c5d0242e66cd3e63fbf353364b0d7e9bf921949ddffca514c6094eca03d69d4073b7dfbcd10729766149dbf799179b155ba578ab957db48
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Filesize
63KB
MD506c39ca503305efbf7274f6bf9394f28
SHA1bec4daadab49f1f58a951d9cc1b2d7c1e2ae8450
SHA25619f33ba32f20dae1ea6a6b87824dc8e3e74527b34f9cd01a6e4f67e3e79dd867
SHA512e6c8b19892b5ce5108909824ad37b0fe0eed2459939f0249133bf3e3c1470308d6d51aa3fbf42aabcbf37bb2412c8a27bff445e23dc0495910ec5f445055d931