Analysis Overview
SHA256
62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b
Threat Level: Likely malicious
The file 62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b was found to be: Likely malicious.
Malicious Activity Summary
Modifies AppInit DLL entries
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 21:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 21:41
Reported
2024-04-06 21:43
Platform
win7-20231129-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\anhxrcb.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\anhxrcb.exe | C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\fqurfhn.dll | C:\PROGRA~3\Mozilla\anhxrcb.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2964 wrote to memory of 1720 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2964 wrote to memory of 1720 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2964 wrote to memory of 1720 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
| PID 2964 wrote to memory of 1720 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\anhxrcb.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe
"C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {4281E4C9-7EF1-4B0E-87D3-2C0B862C6500} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\anhxrcb.exe
C:\PROGRA~3\Mozilla\anhxrcb.exe -wxojhrj
Network
Files
memory/2896-1-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2896-2-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2896-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2896-7-0x0000000000400000-0x0000000000462000-memory.dmp
C:\PROGRA~3\Mozilla\anhxrcb.exe
| MD5 | a76dd50f4e4ed24a41f9fa7f10cb3aec |
| SHA1 | 319de7727ef46577e8593a9dc8c85a910e2c90f6 |
| SHA256 | 4cadd9b8617130285f0f83377192df703ffff77399305b4dc984529d870224c1 |
| SHA512 | 19aa791a0335b50e23d606c2d0047f97e4980cd771175168b649bc26bc3a3e57e80196fcc04f53d1207d51a0b098e173475e0c9217bb6a30cc6a531b8ee1858e |
memory/1720-14-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1720-16-0x0000000000400000-0x0000000000462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 21:41
Reported
2024-04-06 21:43
Platform
win10v2004-20240319-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\jhifwqk.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\jhifwqk.exe | C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\biclnte.dll | C:\PROGRA~3\Mozilla\jhifwqk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe
"C:\Users\Admin\AppData\Local\Temp\62c32bec7f7820a7911def9d75bca77e9e090eef688df3c74ef34cbc3d06ae5b.exe"
C:\PROGRA~3\Mozilla\jhifwqk.exe
C:\PROGRA~3\Mozilla\jhifwqk.exe -zmqutfb
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 --mojo-platform-channel-handle=1780 --field-trial-handle=2000,i,9877262470271371196,11878025205711850266,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| IE | 94.245.104.56:443 | tcp | |
| GB | 51.11.108.188:443 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 99.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 8.8.8.8:53 | 13.179.89.13.in-addr.arpa | udp |
Files
memory/416-0-0x0000000000400000-0x0000000000462000-memory.dmp
memory/416-1-0x0000000000400000-0x0000000000462000-memory.dmp
memory/416-2-0x0000000000590000-0x0000000000591000-memory.dmp
memory/416-3-0x0000000000400000-0x0000000000462000-memory.dmp
C:\ProgramData\Mozilla\jhifwqk.exe
| MD5 | 41d32fd89c90ad6dfcc9c520d484abcf |
| SHA1 | 5d1ff6fea85ef4895541c064d1366cb0a8ce6cf0 |
| SHA256 | 895bb814dd7caa7431516181cb32c4a540f391a3bc127f96148f324786dc9f39 |
| SHA512 | 21b96ac250f8c2886abae8986edce2578059170c23c23c98fce1b611054aad6a295a56978faa93f75ef9ae57b8c174818419ae1264f15a47c9dabdf118e7d7b8 |
memory/416-8-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4168-10-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4168-11-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4168-15-0x0000000000400000-0x0000000000462000-memory.dmp