Analysis Overview
SHA256
616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51
Threat Level: Known bad
The file 616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51 was found to be: Known bad.
Malicious Activity Summary
MetamorpherRAT
Checks computer location settings
Executes dropped EXE
Uses the VBS compiler for execution
Loads dropped DLL
Deletes itself
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-13 23:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 23:28
Reported
2024-06-13 23:31
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
157s
Command Line
Signatures
MetamorpherRAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe | N/A |
Uses the VBS compiler for execution
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\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\"" | C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe
"C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\s4mt81pw.cmdline"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESED4E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC4AF13E325FF41DF9ADCD7739AC3F7D7.TMP"
C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.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=1280,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /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 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
Files
memory/2072-0-0x00000000752B2000-0x00000000752B3000-memory.dmp
memory/2072-1-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2072-2-0x00000000752B0000-0x0000000075861000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\s4mt81pw.cmdline
| MD5 | 8032f8e55d87d9104e34795e4e0b2875 |
| SHA1 | b56549021d751a4a1b27458a694d1138efdccc5c |
| SHA256 | 83e108bc20787683e9ff945ae54af2c3d883866f171d55bd4c631b30937a8f5b |
| SHA512 | 1d82e9e6596d51a76bb6731b14af80de8e7c6d13b16d53dec7f3e5ddeff7d0b8bf1dde1b587059b73a14eb2882775f3418ceafaa597e94ba29ba5035a97daa2f |
C:\Users\Admin\AppData\Local\Temp\s4mt81pw.0.vb
| MD5 | ce17f17e30b706767c143daeaa24dcae |
| SHA1 | ddd03eb638aff7383723d1dca4b77e32602b3d4f |
| SHA256 | ed51399cb82a51080e618190c3d912542421602c34d16ebe2226c5d9c3d19aba |
| SHA512 | cabe3b9865bcf593f68b683295ab31cf799821ec2c9e2a2582f44677a25785defe278a82627f7fbf8f3a041db3655a5b4f24273de49fd7bdaa331d9dace1bbf3 |
memory/2308-9-0x00000000752B0000-0x0000000075861000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\zCom.resources
| MD5 | 4f0e8cf79edb6cd381474b21cabfdf4a |
| SHA1 | 7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4 |
| SHA256 | e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5 |
| SHA512 | 2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107 |
C:\Users\Admin\AppData\Local\Temp\vbcC4AF13E325FF41DF9ADCD7739AC3F7D7.TMP
| MD5 | 6ae2510107816228661858338d792ee3 |
| SHA1 | e992e174fa3e023e7e2e1f629ed82c44ca303f68 |
| SHA256 | 34e17efb9eb58621011f3a25d4c1cca4b51c1a0b8d1cbd77743a319cdd56c3eb |
| SHA512 | 1c80f9852ef93faf41c4f1587d89552a72e6d23687af54e7746143d64f8b9e62346ab9352409a1f7d61001808e7f4d63ec1b143f4e2ceaa4491652e7428160a1 |
C:\Users\Admin\AppData\Local\Temp\RESED4E.tmp
| MD5 | 3a0a00ede3371ed6d3315a80b725362c |
| SHA1 | 2bfb380b381b52664244f1a2e1ad6c465ecb944d |
| SHA256 | 310236593df938deb6232eb81970f0a81db0629004e4ecb5e9621c70d51522cc |
| SHA512 | 5d14fd3b61b99131dfc26ba18542c6d145dfd6a0b3552625c81aa058159f3d585271514060f4b0f2b38b528766ef1cda1e6edf033dbfa4c0b8ec129cbf54dec6 |
memory/2308-18-0x00000000752B0000-0x0000000075861000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpEBB8.tmp.exe
| MD5 | 84eb6f1d384f9a0a0b4366425ee65019 |
| SHA1 | 7c49dd374707a4ab093e67ce137c7f5a3f54caa9 |
| SHA256 | 391507135efbbd33c367eaea884150896963f825c88f90e7696fee85a6d92bc5 |
| SHA512 | 77fc4e948709a999e6a15d264acafe96178f7ef59e2b55bae7f65ad1bc4d53f6e09c778d44b4c8d2ca3baa4ada36c616804beee500d16c6f6c8aa4f130fff722 |
memory/2072-22-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2732-23-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2732-24-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2732-26-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2732-27-0x00000000752B0000-0x0000000075861000-memory.dmp
memory/2732-28-0x00000000752B0000-0x0000000075861000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 23:28
Reported
2024-06-13 23:31
Platform
win7-20240508-en
Max time kernel
139s
Max time network
148s
Command Line
Signatures
MetamorpherRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\"" | C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe
"C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\psvehw4q.cmdline"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES171A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1719.tmp"
C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe" C:\Users\Admin\AppData\Local\Temp\616f07f1bae6ff979adb8ccff74f97d4f46f87009eff2a8a72faa27d4d8ede51.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
| N/A | 127.0.0.1:127 | tcp | |
| US | 8.8.8.8:53 | bejnz.com | udp |
Files
memory/2252-0-0x0000000074431000-0x0000000074432000-memory.dmp
memory/2252-1-0x0000000074430000-0x00000000749DB000-memory.dmp
memory/2252-2-0x0000000074430000-0x00000000749DB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\psvehw4q.cmdline
| MD5 | 8e855fbac602b4b05879e3dabee62bd9 |
| SHA1 | 1a878ddd0a21fea2ec43624b09c7dd994e22fd14 |
| SHA256 | cfb11be3bff113fc49685ea788083937143aa51dcc7362a63fbd9031f4f842bc |
| SHA512 | 05cea25b232ad86d0554852b02abedfe4b3d3bb322e99832fcc5263919ac8e8bfdb608c40b8f795b059168fbb05a7d5b5c6ddf5023f8c5d4466b89e406b7cbda |
memory/2344-8-0x0000000074430000-0x00000000749DB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\psvehw4q.0.vb
| MD5 | 1f86dc8240900c9fa72aed05372162ab |
| SHA1 | cff091b79f6d661bfbd9783c9d0b3c223b06e1c2 |
| SHA256 | 84bd8c61d759766372b924f7fbe38cec795288b3880522cad27f051ff96f0773 |
| SHA512 | 24c629f51d13bd5f61de3c0c745778c93845bdbc89404866407f8edb6a582c1b02e18d9f0db56e4425e014692c4fc8aa00e93529b50de1270cea0c8c2961d5db |
C:\Users\Admin\AppData\Local\Temp\zCom.resources
| MD5 | 4f0e8cf79edb6cd381474b21cabfdf4a |
| SHA1 | 7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4 |
| SHA256 | e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5 |
| SHA512 | 2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107 |
C:\Users\Admin\AppData\Local\Temp\vbc1719.tmp
| MD5 | eeaa1b637c2fa54611e561b29a45bb4c |
| SHA1 | d30ad8dab999098a6c553c9f166a9ebff09a0941 |
| SHA256 | e81a9ece2927f52a25ffdd2943e3f79db2e45772165a48bcb6526ca6400e8e5d |
| SHA512 | 6d09d56fba21cd3bca16524e08fac5c71075c19ed833828c15187c0a41923269ab55c300ec7d915ce51d37ed117925ddaa99c4a313afb53bd62ee4d05fbf7f69 |
C:\Users\Admin\AppData\Local\Temp\RES171A.tmp
| MD5 | 7de86eb69b6209e3a3c0f3d8e92e93aa |
| SHA1 | abd0ff4bfd2885fc2f1516b26713b7cfd6639aa7 |
| SHA256 | bc703a546beb01f35de3a067559fd85be018819f497664666d8fb6de7567e1d5 |
| SHA512 | 5b4055b67e123cd1b9fdb06e445d5ec34985aba16f4c762f60911a4dac2c54fcc85c89565d180ebe3935820a4bfc1d7dbf18db0f3855f2ae284062fa967bc57b |
memory/2344-18-0x0000000074430000-0x00000000749DB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1620.tmp.exe
| MD5 | 4b3ba01c9e0d6d382131f3d46eeb7308 |
| SHA1 | 2d854320b10bb63c1b0095b7b3ea946dbd14ceaf |
| SHA256 | 69d61faea23ff334995448dd2713546bc1eca8b63de2e877b35d5c5bbf3bd787 |
| SHA512 | 262d24a99de308475005317778ede9452422417ffc71a820d0791e18595c288dde6bcc3413d39457f04b6c6172af2a3acc637e66f537520711f80632b2ce5516 |
memory/2252-24-0x0000000074430000-0x00000000749DB000-memory.dmp