Analysis Overview
SHA256
0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed
Threat Level: Likely malicious
The file 0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed 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
2024-04-07 18:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:27
Reported
2024-04-07 18:30
Platform
win10v2004-20240319-en
Max time kernel
147s
Max time network
153s
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\biclnte.dll | C:\PROGRA~3\Mozilla\jhifwqk.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\jhifwqk.exe | C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.exe
"C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.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=1312 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| NL | 142.251.39.110:443 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| NL | 142.250.179.138:443 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| DE | 142.250.184.202:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.184.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 225.162.46.104.in-addr.arpa | udp |
Files
memory/4960-0-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4960-1-0x0000000002050000-0x00000000020AB000-memory.dmp
C:\ProgramData\Mozilla\jhifwqk.exe
| MD5 | 92d1b0936413845e8dd7ed29a389b471 |
| SHA1 | 323f98717bb17463d39a5e7ade49ef7570189773 |
| SHA256 | 691d2be7838e171b1248a583412fe52528ab8672db2c4384de5dbb149c171a36 |
| SHA512 | 26aaf2e28266d9f88c6c855cbd2eb3def964266f002237f5b94cc68916e83211095841266e6bea1e2ce80b3dbbeedcc5a30d6217eddcbb142f2850687d8e6799 |
memory/4796-9-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4960-10-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4796-11-0x0000000000D30000-0x0000000000D8B000-memory.dmp
memory/4796-17-0x0000000000400000-0x000000000042B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:27
Reported
2024-04-07 18:30
Platform
win7-20240215-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Modifies AppInit DLL entries
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\PROGRA~3\Mozilla\racmzae.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\Mozilla\racmzae.exe | C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.exe | N/A |
| File created | C:\PROGRA~3\Mozilla\ttbtowf.dll | C:\PROGRA~3\Mozilla\racmzae.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 380 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 380 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 380 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
| PID 380 wrote to memory of 2508 | N/A | C:\Windows\system32\taskeng.exe | C:\PROGRA~3\Mozilla\racmzae.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.exe
"C:\Users\Admin\AppData\Local\Temp\0b46944df4c2103b5a1313fb66a5a839cf096ea88215af5f0a3254a5fdb1e4ed.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {665C9F1F-2ACE-4382-B252-18485482391B} S-1-5-18:NT AUTHORITY\System:Service:
C:\PROGRA~3\Mozilla\racmzae.exe
C:\PROGRA~3\Mozilla\racmzae.exe -cddhnyc
Network
Files
memory/2484-0-0x0000000000400000-0x000000000042B000-memory.dmp
memory/2484-1-0x0000000000250000-0x00000000002AB000-memory.dmp
memory/2484-7-0x0000000000400000-0x000000000042B000-memory.dmp
C:\PROGRA~3\Mozilla\racmzae.exe
| MD5 | 3c1751e88400eacff46f29bc068208df |
| SHA1 | 2b2e8060ab370dbf1c642ed70a6b1ccf7c95b142 |
| SHA256 | 91d150045c51360f6f624f1aa175dfe36c2d31f7efc2c11219845a037ccb8f11 |
| SHA512 | 61f744cfea2575ec29bbcff46a38ad39a5174d1965a2b30d43b3f5fe35c795558a87dce6ff3723a4ed1ee82f6095e6de641e23dc5c07afe75d2faa25d0254ef6 |
memory/2508-10-0x0000000000400000-0x000000000042B000-memory.dmp
memory/2508-11-0x00000000002D0000-0x000000000032B000-memory.dmp
memory/2508-17-0x0000000000400000-0x000000000042B000-memory.dmp