Analysis Overview
SHA256
27543f478751da8c7e71269dc467588a3ce5a16c02a34b054fe30a15a0c09903
Threat Level: Likely malicious
The file e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe was found to be: Likely malicious.
Malicious Activity Summary
Modifies AppInit DLL entries
ASPack v2.12-2.42
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-17 10:18
Signatures
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-17 10:18
Reported
2024-05-17 10:20
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Modifies AppInit DLL entries
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\tbckyxk.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\tbckyxk.exe | C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\newtrln.dll | C:\PROGRA~3\Mozilla\tbckyxk.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe | N/A |
| N/A | N/A | C:\PROGRA~3\Mozilla\tbckyxk.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2904 wrote to memory of 2852 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\tbckyxk.exe |
| PID 2904 wrote to memory of 2852 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\tbckyxk.exe |
| PID 2904 wrote to memory of 2852 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\tbckyxk.exe |
| PID 2904 wrote to memory of 2852 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\tbckyxk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {F97D0608-6890-478F-AF5E-61C6284DD4BF} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\tbckyxk.exe
C:\PROGRA~3\Mozilla\tbckyxk.exe -gqpcbye
Network
Files
memory/1772-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1772-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1772-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1772-3-0x0000000000320000-0x000000000037B000-memory.dmp
memory/1772-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1772-6-0x0000000000400000-0x000000000045B000-memory.dmp
C:\PROGRA~3\Mozilla\tbckyxk.exe
| MD5 | ea90f5d75bd8add4b6ad954be3aa488a |
| SHA1 | 979096c87fee11f3ba41de7efce65e01d8d7bb6f |
| SHA256 | e37d79952138ce5e0081fe91d5e6b15b3a8f31a2f0d63ae8e24c480938f2cc5f |
| SHA512 | 4bcdcf60a9f6ec0f00699de34ab4d7bfe037b28edb0b5ce47c1b62d1152e4385ab526607cce3c15fded3efbdc63816e0fe90309c9228df2baae044533d88db81 |
memory/2852-9-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2852-10-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2852-13-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2852-12-0x0000000000460000-0x00000000004BB000-memory.dmp
memory/2852-11-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2852-15-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-17 10:18
Reported
2024-05-17 10:20
Platform
win10v2004-20240508-en
Max time kernel
139s
Max time network
109s
Command Line
Signatures
Modifies AppInit DLL entries
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\ykjyebb.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\ykjyebb.exe | C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\pjitnjk.dll | C:\PROGRA~3\Mozilla\ykjyebb.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\e8f62fdaa7a24e22d8efcb8e203fd800_NeikiAnalytics.exe"
C:\PROGRA~3\Mozilla\ykjyebb.exe
C:\PROGRA~3\Mozilla\ykjyebb.exe -aryugnm
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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.122:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.122:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 122.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/4128-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4128-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4128-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4128-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4128-3-0x0000000000600000-0x000000000065B000-memory.dmp
C:\ProgramData\Mozilla\ykjyebb.exe
| MD5 | 53063bc1fa6b7df1ba41dfa18ff44099 |
| SHA1 | fe42f597d7cd23ddc61c2ab9b8ec7d7240091ee1 |
| SHA256 | a6e51dee14df6888ad7bd94958ec661a6e72ac793dc986609fb415d3f2f39f85 |
| SHA512 | 44bed35b922ff51f9e0bc3982b077836d660eb64b2a8ee8f39b9e62e786985d20120ddfafd6f0719f9517c1f3f6e839c6bdbc1125e51576abde5e9b10d9cc38b |
memory/4128-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4480-12-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4480-9-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4480-11-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4480-14-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4480-13-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4480-17-0x0000000000400000-0x000000000045B000-memory.dmp