Analysis Overview
SHA256
ac5c05346f31bf63f7618e4b8118846fd98bec14f471568f1a6212f4ddd50f70
Threat Level: Likely malicious
The file 3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
ASPack v2.12-2.42
Loads dropped DLL
Adds Run key to start application
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 01:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 01:43
Reported
2024-05-10 01:45
Platform
win7-20240508-en
Max time kernel
142s
Max time network
149s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\rgvvb.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\rgvvb.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\goognxxc\\hevtf.dll\",GetWindowClass" | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\b: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\i: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\q: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\e: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\h: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe | N/A |
| N/A | N/A | \??\c:\rgvvb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&c:\rgvvb.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
\??\c:\rgvvb.exe
c:\rgvvb.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\goognxxc\hevtf.dll",GetWindowClass c:\rgvvb.exe
Network
| Country | Destination | Domain | Proto |
| US | 67.229.232.230:803 | tcp | |
| US | 67.229.232.230:803 | tcp | |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.226:3204 | tcp |
Files
\??\c:\rgvvb.exe
| MD5 | e86866113606c2465f0382fa67ed12d3 |
| SHA1 | f6bfb3abd5803c66e470dc72753ce94da2af70bc |
| SHA256 | e5961fb1a3a9b062af8b06028532f25e73899f13321e1ec0ac30cd7758a0cc75 |
| SHA512 | 3def63e8dd3f24311e57f3bcc1ef711b81ec65a041d68feb298018ee4be2e53da1df738ae63c848d0d1971ef1192aff614b2b3d229080886d5aa845259433d93 |
\??\c:\goognxxc\hevtf.dll
| MD5 | 3f82de3a24b560d4d5135bf4074bdd9b |
| SHA1 | 7b6c9ef2d53c58bba7d6114794b9240d0fe7b208 |
| SHA256 | be0756d8916bff40899d62deb0f084211490910e2d5d6ff77cd7c73bdc26bd3c |
| SHA512 | fea15cc2ab56be6fd7a65c0a1d356db5595bbde69cabdf92347b865f76c1acdaaab5962b9cb21b7d88b9d72ee79c4d93f11fa88f3998bdc761e272961bc21ae8 |
memory/3008-9-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-10-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-12-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-11-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-13-0x0000000010033000-0x0000000010034000-memory.dmp
memory/3008-14-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-18-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-19-0x0000000010000000-0x0000000010036000-memory.dmp
memory/3008-20-0x0000000010000000-0x0000000010036000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 01:43
Reported
2024-05-10 01:45
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
140s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\eujyg.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\eujyg.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\ffgpq\\kmvcroqpc.dll\",GetWindowClass" | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\i: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\e: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\b: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\q: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\h: | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe | N/A |
| N/A | N/A | \??\c:\eujyg.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&c:\eujyg.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
\??\c:\eujyg.exe
c:\eujyg.exe "C:\Users\Admin\AppData\Local\Temp\3ff71f7d11e9c5925806755948ffa050_NeikiAnalytics.exe"
\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\ffgpq\kmvcroqpc.dll",GetWindowClass c:\eujyg.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4216,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3404 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 67.229.232.230:803 | tcp | |
| US | 8.8.8.8:53 | 137.196.17.2.in-addr.arpa | udp |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 67.229.232.229:805 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 67.229.232.229:805 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.226:3204 | tcp | |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
| US | 67.229.232.226:3204 | tcp | |
| US | 67.229.232.226:3204 | tcp |
Files
C:\eujyg.exe
| MD5 | d2f13a110060990811dca62c13d442e9 |
| SHA1 | ce786031394f4b31a76dd926b12bd27db6d15ac3 |
| SHA256 | 1edae181cc3b36bce5fd74554531b6b779f78e259fc66b1768799d002c05eb18 |
| SHA512 | 02b2c8dfb95916b953b110fb849b4aa781e4207c40fb8ab416a4245844f4a5532087cb9c8f3d5514439c84e2f0aca6ba6ca243132493b6f15544f02ca0c5ea32 |
\??\c:\ffgpq\kmvcroqpc.dll
| MD5 | 3f82de3a24b560d4d5135bf4074bdd9b |
| SHA1 | 7b6c9ef2d53c58bba7d6114794b9240d0fe7b208 |
| SHA256 | be0756d8916bff40899d62deb0f084211490910e2d5d6ff77cd7c73bdc26bd3c |
| SHA512 | fea15cc2ab56be6fd7a65c0a1d356db5595bbde69cabdf92347b865f76c1acdaaab5962b9cb21b7d88b9d72ee79c4d93f11fa88f3998bdc761e272961bc21ae8 |
memory/1148-7-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-8-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-10-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-9-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-11-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-13-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-15-0x0000000010000000-0x0000000010036000-memory.dmp
memory/1148-16-0x0000000010000000-0x0000000010036000-memory.dmp